[tor-commits] [onionoo/master] Use diamond operator.

karsten at torproject.org karsten at torproject.org
Wed Jan 11 13:42:25 UTC 2017


commit c47806764c69eaf246cbc9032d2dbaba7ca95a8e
Author: Karsten Loesing <karsten.loesing at gmx.net>
Date:   Tue Jan 10 15:16:39 2017 +0100

    Use diamond operator.
---
 .../torproject/onionoo/docs/BandwidthStatus.java   |  9 +--
 .../onionoo/docs/ClientsGraphHistory.java          |  2 +-
 .../torproject/onionoo/docs/ClientsHistory.java    |  2 +-
 .../org/torproject/onionoo/docs/ClientsStatus.java |  6 +-
 .../torproject/onionoo/docs/DateTimeHelper.java    |  2 +-
 .../org/torproject/onionoo/docs/DetailsStatus.java |  2 +-
 .../org/torproject/onionoo/docs/DocumentStore.java | 32 ++++----
 .../org/torproject/onionoo/docs/NodeStatus.java    | 40 +++++-----
 .../torproject/onionoo/docs/SummaryDocument.java   |  4 +-
 .../org/torproject/onionoo/docs/UptimeHistory.java |  2 +-
 .../org/torproject/onionoo/docs/UptimeStatus.java  | 11 +--
 .../org/torproject/onionoo/docs/WeightsStatus.java |  3 +-
 .../onionoo/server/MostFrequentString.java         |  7 +-
 .../org/torproject/onionoo/server/NodeIndexer.java | 43 ++++------
 .../torproject/onionoo/server/RequestHandler.java  | 35 ++++----
 .../torproject/onionoo/server/ResourceServlet.java |  8 +-
 .../torproject/onionoo/server/ResponseBuilder.java |  6 +-
 .../onionoo/updater/ClientsStatusUpdater.java      |  5 +-
 .../onionoo/updater/DescriptorDownloader.java      |  4 +-
 .../onionoo/updater/DescriptorQueue.java           |  5 +-
 .../onionoo/updater/DescriptorSource.java          |  5 +-
 .../torproject/onionoo/updater/LookupService.java  | 21 +++--
 .../onionoo/updater/NodeDetailsStatusUpdater.java  | 93 +++++++++-------------
 .../onionoo/updater/ReverseDomainNameResolver.java | 10 +--
 .../onionoo/updater/UptimeStatusUpdater.java       | 25 +++---
 .../onionoo/updater/WeightsStatusUpdater.java      | 17 ++--
 .../onionoo/writer/BandwidthDocumentWriter.java    |  7 +-
 .../onionoo/writer/ClientsDocumentWriter.java      | 22 +++--
 .../onionoo/writer/DetailsDocumentWriter.java      | 17 ++--
 .../onionoo/writer/SummaryDocumentWriter.java      |  2 +-
 .../onionoo/writer/UptimeDocumentWriter.java       | 19 ++---
 .../onionoo/writer/WeightsDocumentWriter.java      |  7 +-
 .../onionoo/docs/BandwidthStatusTest.java          |  3 +-
 .../onionoo/docs/DummyDocumentStore.java           |  5 +-
 .../torproject/onionoo/docs/NodeStatusTest.java    |  6 +-
 .../onionoo/docs/SummaryDocumentTest.java          |  6 +-
 .../torproject/onionoo/docs/UptimeStatusTest.java  |  2 +-
 .../onionoo/server/ResourceServletTest.java        | 26 +++---
 .../torproject/onionoo/updater/DummyConsensus.java |  2 +-
 .../onionoo/updater/DummyDescriptorSource.java     |  5 +-
 .../onionoo/updater/DummyStatusEntry.java          |  2 +-
 .../onionoo/updater/LookupServiceTest.java         | 70 ++++++++--------
 42 files changed, 257 insertions(+), 343 deletions(-)

diff --git a/src/main/java/org/torproject/onionoo/docs/BandwidthStatus.java b/src/main/java/org/torproject/onionoo/docs/BandwidthStatus.java
index 580bfbd..911af2a 100644
--- a/src/main/java/org/torproject/onionoo/docs/BandwidthStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/BandwidthStatus.java
@@ -29,8 +29,7 @@ public class BandwidthStatus extends Document {
     this.isDirty = false;
   }
 
-  private SortedMap<Long, long[]> writeHistory =
-      new TreeMap<Long, long[]>();
+  private SortedMap<Long, long[]> writeHistory = new TreeMap<>();
 
   public void setWriteHistory(SortedMap<Long, long[]> writeHistory) {
     this.writeHistory = writeHistory;
@@ -40,8 +39,7 @@ public class BandwidthStatus extends Document {
     return this.writeHistory;
   }
 
-  private SortedMap<Long, long[]> readHistory =
-      new TreeMap<Long, long[]>();
+  private SortedMap<Long, long[]> readHistory = new TreeMap<>();
 
   public void setReadHistory(SortedMap<Long, long[]> readHistory) {
     this.readHistory = readHistory;
@@ -117,8 +115,7 @@ public class BandwidthStatus extends Document {
   }
 
   private void compressHistory(SortedMap<Long, long[]> history) {
-    SortedMap<Long, long[]> uncompressedHistory =
-        new TreeMap<Long, long[]>(history);
+    SortedMap<Long, long[]> uncompressedHistory = new TreeMap<>(history);
     history.clear();
     long lastStartMillis = 0L;
     long lastEndMillis = 0L;
diff --git a/src/main/java/org/torproject/onionoo/docs/ClientsGraphHistory.java b/src/main/java/org/torproject/onionoo/docs/ClientsGraphHistory.java
index df538a9..6b2bd3d 100644
--- a/src/main/java/org/torproject/onionoo/docs/ClientsGraphHistory.java
+++ b/src/main/java/org/torproject/onionoo/docs/ClientsGraphHistory.java
@@ -59,7 +59,7 @@ public class ClientsGraphHistory {
     return this.count;
   }
 
-  private List<Integer> values = new ArrayList<Integer>();
+  private List<Integer> values = new ArrayList<>();
 
   public void setValues(List<Integer> values) {
     this.values = values;
diff --git a/src/main/java/org/torproject/onionoo/docs/ClientsHistory.java b/src/main/java/org/torproject/onionoo/docs/ClientsHistory.java
index e1f0353..c1c93fd 100644
--- a/src/main/java/org/torproject/onionoo/docs/ClientsHistory.java
+++ b/src/main/java/org/torproject/onionoo/docs/ClientsHistory.java
@@ -117,7 +117,7 @@ public class ClientsHistory implements Comparable<ClientsHistory> {
 
   private static SortedMap<String, Double> parseResponses(
       String responsesString) {
-    SortedMap<String, Double> responses = new TreeMap<String, Double>();
+    SortedMap<String, Double> responses = new TreeMap<>();
     if (responsesString.length() > 0) {
       for (String pair : responsesString.split(",")) {
         String[] keyValue = pair.split("=");
diff --git a/src/main/java/org/torproject/onionoo/docs/ClientsStatus.java b/src/main/java/org/torproject/onionoo/docs/ClientsStatus.java
index 55bdc7b..cfc424e 100644
--- a/src/main/java/org/torproject/onionoo/docs/ClientsStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/ClientsStatus.java
@@ -27,8 +27,7 @@ public class ClientsStatus extends Document {
     this.isDirty = false;
   }
 
-  private SortedSet<ClientsHistory> history =
-      new TreeSet<ClientsHistory>();
+  private SortedSet<ClientsHistory> history = new TreeSet<>();
 
   public void setHistory(SortedSet<ClientsHistory> history) {
     this.history = history;
@@ -73,8 +72,7 @@ public class ClientsStatus extends Document {
   /** Compresses the history of clients objects by merging adjacent
    * intervals, depending on how far back in the past they lie. */
   public void compressHistory() {
-    SortedSet<ClientsHistory> uncompressedHistory =
-        new TreeSet<ClientsHistory>(this.history);
+    SortedSet<ClientsHistory> uncompressedHistory = new TreeSet<>(this.history);
     history.clear();
     ClientsHistory lastResponses = null;
     String lastMonthString = "1970-01";
diff --git a/src/main/java/org/torproject/onionoo/docs/DateTimeHelper.java b/src/main/java/org/torproject/onionoo/docs/DateTimeHelper.java
index 9721612..7a63f53 100644
--- a/src/main/java/org/torproject/onionoo/docs/DateTimeHelper.java
+++ b/src/main/java/org/torproject/onionoo/docs/DateTimeHelper.java
@@ -78,7 +78,7 @@ public class DateTimeHelper {
     }
 
     protected Map<String, DateFormat> initialValue() {
-      return new HashMap<String, DateFormat>();
+      return new HashMap<>();
     }
 
     public void remove() {
diff --git a/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java b/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java
index bad3964..0a0c215 100644
--- a/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/DetailsStatus.java
@@ -255,7 +255,7 @@ public class DetailsStatus extends Document {
    * includes the primary address and all additionally configured
    * onion-routing addresses. */
   public SortedSet<String> getOrAddresses() {
-    SortedSet<String> orAddresses = new TreeSet<String>();
+    SortedSet<String> orAddresses = new TreeSet<>();
     if (this.address != null) {
       orAddresses.add(this.address);
     }
diff --git a/src/main/java/org/torproject/onionoo/docs/DocumentStore.java b/src/main/java/org/torproject/onionoo/docs/DocumentStore.java
index 08fb984..39d6271 100644
--- a/src/main/java/org/torproject/onionoo/docs/DocumentStore.java
+++ b/src/main/java/org/torproject/onionoo/docs/DocumentStore.java
@@ -115,15 +115,14 @@ public class DocumentStore {
       this.cacheNodeStatuses();
     }
     if (updatedAfter >= this.lastModifiedNodeStatuses) {
-      return new TreeSet<String>(this.updatedNodeStatuses);
+      return new TreeSet<>(this.updatedNodeStatuses);
     } else {
-      return new TreeSet<String>(this.cachedNodeStatuses.keySet());
+      return new TreeSet<>(this.cachedNodeStatuses.keySet());
     }
   }
 
   private void cacheNodeStatuses() {
-    SortedMap<String, NodeStatus> parsedNodeStatuses =
-        new TreeMap<String, NodeStatus>();
+    SortedMap<String, NodeStatus> parsedNodeStatuses = new TreeMap<>();
     File directory = this.statusDir;
     if (directory != null) {
       File summaryFile = new File(directory, "summary");
@@ -150,7 +149,7 @@ public class DocumentStore {
       }
     }
     this.cachedNodeStatuses = parsedNodeStatuses;
-    this.updatedNodeStatuses = new TreeSet<String>();
+    this.updatedNodeStatuses = new TreeSet<>();
   }
 
   private SortedSet<String> listSummaryDocuments(long updatedAfter) {
@@ -158,15 +157,14 @@ public class DocumentStore {
       this.cacheSummaryDocuments();
     }
     if (updatedAfter >= this.lastModifiedSummaryDocuments) {
-      return new TreeSet<String>(this.updatedSummaryDocuments);
+      return new TreeSet<>(this.updatedSummaryDocuments);
     } else {
-      return new TreeSet<String>(this.cachedSummaryDocuments.keySet());
+      return new TreeSet<>(this.cachedSummaryDocuments.keySet());
     }
   }
 
   private void cacheSummaryDocuments() {
-    SortedMap<String, SummaryDocument> parsedSummaryDocuments =
-        new TreeMap<String, SummaryDocument>();
+    SortedMap<String, SummaryDocument> parsedSummaryDocuments = new TreeMap<>();
     if (this.outDir != null) {
       File summaryFile = new File(this.outDir, "summary");
       if (summaryFile.exists()) {
@@ -198,12 +196,12 @@ public class DocumentStore {
       }
     }
     this.cachedSummaryDocuments = parsedSummaryDocuments;
-    this.updatedSummaryDocuments = new TreeSet<String>();
+    this.updatedSummaryDocuments = new TreeSet<>();
   }
 
   private <T extends Document> SortedSet<String> listDocumentFiles(
       Class<T> documentType, long updatedAfter) {
-    SortedSet<String> fingerprints = new TreeSet<String>();
+    SortedSet<String> fingerprints = new TreeSet<>();
     File directory = null;
     String subdirectory = null;
     if (documentType.equals(DetailsStatus.class)) {
@@ -238,7 +236,7 @@ public class DocumentStore {
       subdirectory = "uptimes";
     }
     if (directory != null && subdirectory != null) {
-      Stack<File> files = new Stack<File>();
+      Stack<File> files = new Stack<>();
       files.add(new File(directory, subdirectory));
       while (!files.isEmpty()) {
         File file = files.pop();
@@ -418,7 +416,7 @@ public class DocumentStore {
     boolean isRelay = detailsDocument.getHashedFingerprint() == null;
     boolean running = false;
     String nickname = detailsDocument.getNickname();
-    List<String> addresses = new ArrayList<String>();
+    List<String> addresses = new ArrayList<>();
     String countryCode = null;
     String asNumber = null;
     String contact = null;
@@ -443,7 +441,7 @@ public class DocumentStore {
         }
       }
     }
-    SortedSet<String> relayFlags = new TreeSet<String>();
+    SortedSet<String> relayFlags = new TreeSet<>();
     SortedSet<String> family = null;
     long lastSeenMillis = -1L;
     long consensusWeight = -1L;
@@ -727,10 +725,8 @@ public class DocumentStore {
       return;
     }
     File summaryFile = new File(directory, "summary");
-    SortedMap<String, NodeStatus> cachedRelays =
-        new TreeMap<String, NodeStatus>();
-    SortedMap<String, NodeStatus> cachedBridges =
-        new TreeMap<String, NodeStatus>();
+    SortedMap<String, NodeStatus> cachedRelays = new TreeMap<>();
+    SortedMap<String, NodeStatus> cachedBridges = new TreeMap<>();
     for (Map.Entry<String, NodeStatus> e :
         this.cachedNodeStatuses.entrySet()) {
       if (e.getValue().isRelay()) {
diff --git a/src/main/java/org/torproject/onionoo/docs/NodeStatus.java b/src/main/java/org/torproject/onionoo/docs/NodeStatus.java
index a2b44f8..7e4e438 100644
--- a/src/main/java/org/torproject/onionoo/docs/NodeStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/NodeStatus.java
@@ -76,7 +76,7 @@ public class NodeStatus extends Document {
   }
 
   private SortedSet<String> stringArrayToSortedSet(String[] stringArray) {
-    SortedSet<String> sortedSet = new TreeSet<String>();
+    SortedSet<String> sortedSet = new TreeSet<>();
     if (stringArray != null) {
       sortedSet.addAll(Arrays.asList(stringArray));
     }
@@ -137,7 +137,7 @@ public class NodeStatus extends Document {
    * includes the primary address and all additionally configured
    * onion-routing addresses. */
   public SortedSet<String> getOrAddresses() {
-    SortedSet<String> orAddresses = new TreeSet<String>();
+    SortedSet<String> orAddresses = new TreeSet<>();
     if (this.address != null) {
       orAddresses.add(this.address);
     }
@@ -193,11 +193,9 @@ public class NodeStatus extends Document {
     return this.dirPort;
   }
 
-  private static Map<String, Integer> relayFlagIndexes =
-      new HashMap<String, Integer>();
+  private static Map<String, Integer> relayFlagIndexes = new HashMap<>();
 
-  private static Map<Integer, String> relayFlagStrings =
-      new HashMap<Integer, String>();
+  private static Map<Integer, String> relayFlagStrings = new HashMap<>();
 
   private BitSet relayFlags;
 
@@ -226,7 +224,7 @@ public class NodeStatus extends Document {
 
   @SuppressWarnings("checkstyle:javadocmethod")
   public SortedSet<String> getRelayFlags() {
-    SortedSet<String> result = new TreeSet<String>();
+    SortedSet<String> result = new TreeSet<>();
     if (this.relayFlags != null) {
       for (int i = this.relayFlags.nextSetBit(0); i >= 0;
           i = this.relayFlags.nextSetBit(i + 1)) {
@@ -267,10 +265,10 @@ public class NodeStatus extends Document {
   }
 
   private SortedMap<Long, Set<String>> lastAddresses =
-      new TreeMap<Long, Set<String>>(Collections.reverseOrder());
+      new TreeMap<>(Collections.reverseOrder());
 
   public SortedMap<Long, Set<String>> getLastAddresses() {
-    return new TreeMap<Long, Set<String>>(this.lastAddresses);
+    return new TreeMap<>(this.lastAddresses);
   }
 
   /** Adds addresses and ports together with the time in milliseconds
@@ -278,7 +276,7 @@ public class NodeStatus extends Document {
    * addresses and ports. */
   public void addLastAddresses(long lastSeenMillis, String address,
       int orPort, int dirPort, SortedSet<String> orAddressesAndPorts) {
-    Set<String> addressesAndPorts = new HashSet<String>();
+    Set<String> addressesAndPorts = new HashSet<>();
     addressesAndPorts.add(address + ":" + orPort);
     if (dirPort > 0) {
       addressesAndPorts.add(address + ":" + dirPort);
@@ -332,7 +330,7 @@ public class NodeStatus extends Document {
   }
 
   public SortedSet<String> getExitAddresses() {
-    return new TreeSet<String>(this.exitAddresses);
+    return new TreeSet<>(this.exitAddresses);
   }
 
   /* GeoIP lookup results: */
@@ -396,7 +394,7 @@ public class NodeStatus extends Document {
    * declared family that are not in a mutual family relationship with
    * this relay. */
   public SortedSet<String> getAllegedFamily() {
-    SortedSet<String> allegedFamily = new TreeSet<String>(
+    SortedSet<String> allegedFamily = new TreeSet<>(
         stringArrayToSortedSet(this.declaredFamily));
     allegedFamily.removeAll(stringArrayToSortedSet(this.effectiveFamily));
     return allegedFamily;
@@ -406,7 +404,7 @@ public class NodeStatus extends Document {
    * reached via mutual family relationships except for those that can be
    * reached directly via such a relationship. */
   public SortedSet<String> getIndirectFamily() {
-    SortedSet<String> indirectFamily = new TreeSet<String>(
+    SortedSet<String> indirectFamily = new TreeSet<>(
         stringArrayToSortedSet(this.extendedFamily));
     indirectFamily.removeAll(stringArrayToSortedSet(this.effectiveFamily));
     return indirectFamily;
@@ -433,8 +431,8 @@ public class NodeStatus extends Document {
       NodeStatus nodeStatus = new NodeStatus(fingerprint);
       nodeStatus.setRelay(parts[0].equals("r"));
       nodeStatus.setNickname(parts[1]);
-      SortedSet<String> orAddressesAndPorts = new TreeSet<String>();
-      SortedSet<String> exitAddresses = new TreeSet<String>();
+      SortedSet<String> orAddressesAndPorts = new TreeSet<>();
+      SortedSet<String> exitAddresses = new TreeSet<>();
       String addresses = parts[3];
       String address = null;
       if (addresses.contains(";")) {
@@ -471,7 +469,7 @@ public class NodeStatus extends Document {
       int dirPort = Integer.parseInt(parts[7]);
       nodeStatus.setOrPort(orPort);
       nodeStatus.setDirPort(dirPort);
-      nodeStatus.setRelayFlags(new TreeSet<String>(
+      nodeStatus.setRelayFlags(new TreeSet<>(
           Arrays.asList(parts[8].split(","))));
       nodeStatus.setConsensusWeight(Long.parseLong(parts[9]));
       nodeStatus.setCountryCode(parts[10]);
@@ -523,9 +521,9 @@ public class NodeStatus extends Document {
          *  2. indirect members that can be reached via others only.
          * Each group contains zero or more ';'-separated fingerprints. */
         String[] groups = parts[22].split(":", -1);
-        SortedSet<String> allegedFamily = new TreeSet<String>();
-        SortedSet<String> effectiveFamily = new TreeSet<String>();
-        SortedSet<String> indirectFamily = new TreeSet<String>();
+        SortedSet<String> allegedFamily = new TreeSet<>();
+        SortedSet<String> effectiveFamily = new TreeSet<>();
+        SortedSet<String> indirectFamily = new TreeSet<>();
         if (groups[0].length() > 0) {
           allegedFamily.addAll(Arrays.asList(groups[0].split(";")));
         }
@@ -535,12 +533,12 @@ public class NodeStatus extends Document {
         if (groups.length > 2 && groups[2].length() > 0) {
           indirectFamily.addAll(Arrays.asList(groups[2].split(";")));
         }
-        SortedSet<String> declaredFamily = new TreeSet<String>();
+        SortedSet<String> declaredFamily = new TreeSet<>();
         declaredFamily.addAll(allegedFamily);
         declaredFamily.addAll(effectiveFamily);
         nodeStatus.setDeclaredFamily(declaredFamily);
         nodeStatus.setEffectiveFamily(effectiveFamily);
-        SortedSet<String> extendedFamily = new TreeSet<String>();
+        SortedSet<String> extendedFamily = new TreeSet<>();
         extendedFamily.addAll(effectiveFamily);
         extendedFamily.addAll(indirectFamily);
         nodeStatus.setExtendedFamily(extendedFamily);
diff --git a/src/main/java/org/torproject/onionoo/docs/SummaryDocument.java b/src/main/java/org/torproject/onionoo/docs/SummaryDocument.java
index b7f62ad..3ca4960 100644
--- a/src/main/java/org/torproject/onionoo/docs/SummaryDocument.java
+++ b/src/main/java/org/torproject/onionoo/docs/SummaryDocument.java
@@ -145,7 +145,7 @@ public class SummaryDocument extends Document {
   private List<String> stringArrayToList(String[] stringArray) {
     List<String> list;
     if (stringArray == null) {
-      list = new ArrayList<String>();
+      list = new ArrayList<>();
     } else {
       list = Arrays.asList(stringArray);
     }
@@ -153,7 +153,7 @@ public class SummaryDocument extends Document {
   }
 
   private SortedSet<String> stringArrayToSortedSet(String[] stringArray) {
-    SortedSet<String> sortedSet = new TreeSet<String>();
+    SortedSet<String> sortedSet = new TreeSet<>();
     if (stringArray != null) {
       sortedSet.addAll(Arrays.asList(stringArray));
     }
diff --git a/src/main/java/org/torproject/onionoo/docs/UptimeHistory.java b/src/main/java/org/torproject/onionoo/docs/UptimeHistory.java
index bcf0c6e..7c78f54 100644
--- a/src/main/java/org/torproject/onionoo/docs/UptimeHistory.java
+++ b/src/main/java/org/torproject/onionoo/docs/UptimeHistory.java
@@ -83,7 +83,7 @@ public class UptimeHistory implements Comparable<UptimeHistory> {
     }
     SortedSet<String> flags = null;
     if (parts[0].equals("R")) {
-      flags = new TreeSet<String>();
+      flags = new TreeSet<>();
       for (int i = 3; i < parts.length; i++) {
         flags.add(parts[i]);
       }
diff --git a/src/main/java/org/torproject/onionoo/docs/UptimeStatus.java b/src/main/java/org/torproject/onionoo/docs/UptimeStatus.java
index 286b32f..18cd259 100644
--- a/src/main/java/org/torproject/onionoo/docs/UptimeStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/UptimeStatus.java
@@ -26,15 +26,13 @@ public class UptimeStatus extends Document {
     this.isDirty = false;
   }
 
-  private SortedSet<UptimeHistory> relayHistory =
-      new TreeSet<UptimeHistory>();
+  private SortedSet<UptimeHistory> relayHistory = new TreeSet<>();
 
   public SortedSet<UptimeHistory> getRelayHistory() {
     return this.relayHistory;
   }
 
-  private SortedSet<UptimeHistory> bridgeHistory =
-      new TreeSet<UptimeHistory>();
+  private SortedSet<UptimeHistory> bridgeHistory = new TreeSet<>();
 
   public SortedSet<UptimeHistory> getBridgeHistory() {
     return this.bridgeHistory;
@@ -69,7 +67,7 @@ public class UptimeStatus extends Document {
     UptimeHistory interval = new UptimeHistory(relay, startMillis, 1,
         flags);
     NavigableSet<UptimeHistory> existingIntervals =
-        new TreeSet<UptimeHistory>(history.headSet(new UptimeHistory(
+        new TreeSet<>(history.headSet(new UptimeHistory(
         relay, startMillis + DateTimeHelper.ONE_HOUR, 0, flags)));
     for (UptimeHistory prev : existingIntervals.descendingSet()) {
       if (prev.isRelay() != interval.isRelay()
@@ -116,8 +114,7 @@ public class UptimeStatus extends Document {
   }
 
   private void compressHistory(SortedSet<UptimeHistory> history) {
-    SortedSet<UptimeHistory> uncompressedHistory =
-        new TreeSet<UptimeHistory>(history);
+    SortedSet<UptimeHistory> uncompressedHistory = new TreeSet<>(history);
     history.clear();
     UptimeHistory lastInterval = null;
     for (UptimeHistory interval : uncompressedHistory) {
diff --git a/src/main/java/org/torproject/onionoo/docs/WeightsStatus.java b/src/main/java/org/torproject/onionoo/docs/WeightsStatus.java
index 5c18dee..3257283 100644
--- a/src/main/java/org/torproject/onionoo/docs/WeightsStatus.java
+++ b/src/main/java/org/torproject/onionoo/docs/WeightsStatus.java
@@ -40,8 +40,7 @@ public class WeightsStatus extends Document {
       }
     };
 
-  private SortedMap<long[], double[]> history =
-      new TreeMap<long[], double[]>(histComparator);
+  private SortedMap<long[], double[]> history = new TreeMap<>(histComparator);
 
   public void setHistory(SortedMap<long[], double[]> history) {
     this.history = history;
diff --git a/src/main/java/org/torproject/onionoo/server/MostFrequentString.java b/src/main/java/org/torproject/onionoo/server/MostFrequentString.java
index 3e8697e..e9c8667 100644
--- a/src/main/java/org/torproject/onionoo/server/MostFrequentString.java
+++ b/src/main/java/org/torproject/onionoo/server/MostFrequentString.java
@@ -14,7 +14,7 @@ import java.util.TreeSet;
 
 class MostFrequentString {
 
-  Map<String, Integer> stringFrequencies = new HashMap<String, Integer>();
+  Map<String, Integer> stringFrequencies = new HashMap<>();
 
   void addString(String string) {
     if (!this.stringFrequencies.containsKey(string)) {
@@ -27,15 +27,14 @@ class MostFrequentString {
 
   @Override
   public String toString() {
-    SortedMap<Integer, SortedSet<String>> sortedFrequencies =
-        new TreeMap<Integer, SortedSet<String>>(
+    SortedMap<Integer, SortedSet<String>> sortedFrequencies = new TreeMap<>(
         Collections.reverseOrder());
     if (this.stringFrequencies.isEmpty()) {
       return "null (0)";
     }
     for (Map.Entry<String, Integer> e : stringFrequencies.entrySet()) {
       if (!sortedFrequencies.containsKey(e.getValue())) {
-        sortedFrequencies.put(e.getValue(), new TreeSet<String>(
+        sortedFrequencies.put(e.getValue(), new TreeSet<>(
             Arrays.asList(new String[] { e.getKey() } )));
       } else {
         sortedFrequencies.get(e.getValue()).add(e.getKey());
diff --git a/src/main/java/org/torproject/onionoo/server/NodeIndexer.java b/src/main/java/org/torproject/onionoo/server/NodeIndexer.java
index b470323..1229e6b 100644
--- a/src/main/java/org/torproject/onionoo/server/NodeIndexer.java
+++ b/src/main/java/org/torproject/onionoo/server/NodeIndexer.java
@@ -144,31 +144,21 @@ public class NodeIndexer implements ServletContextListener, Runnable {
     }
     documentStore.invalidateDocumentCache();
     Map<String, SummaryDocument> newRelayFingerprintSummaryLines =
-        new HashMap<String, SummaryDocument>();
+        new HashMap<>();
     Map<String, SummaryDocument> newBridgeFingerprintSummaryLines =
-        new HashMap<String, SummaryDocument>();
-    Map<String, Set<String>> newRelaysByCountryCode =
-        new HashMap<String, Set<String>>();
-    Map<String, Set<String>> newRelaysByAsNumber =
-        new HashMap<String, Set<String>>();
-    Map<String, Set<String>> newRelaysByFlag =
-        new HashMap<String, Set<String>>();
-    Map<String, Set<String>> newBridgesByFlag =
-        new HashMap<String, Set<String>>();
-    Map<String, Set<String>> newRelaysByContact =
-        new HashMap<String, Set<String>>();
-    Map<String, Set<String>> newRelaysByFamily =
-        new HashMap<String, Set<String>>();
-    SortedMap<Integer, Set<String>> newRelaysByFirstSeenDays =
-        new TreeMap<Integer, Set<String>>();
-    SortedMap<Integer, Set<String>> newBridgesByFirstSeenDays =
-        new TreeMap<Integer, Set<String>>();
-    SortedMap<Integer, Set<String>> newRelaysByLastSeenDays =
-        new TreeMap<Integer, Set<String>>();
-    SortedMap<Integer, Set<String>> newBridgesByLastSeenDays =
-        new TreeMap<Integer, Set<String>>();
-    Set<SummaryDocument> currentRelays = new HashSet<SummaryDocument>();
-    Set<SummaryDocument> currentBridges = new HashSet<SummaryDocument>();
+        new HashMap<>();
+    Map<String, Set<String>> newRelaysByCountryCode = new HashMap<>();
+    Map<String, Set<String>> newRelaysByAsNumber = new HashMap<>();
+    Map<String, Set<String>> newRelaysByFlag = new HashMap<>();
+    Map<String, Set<String>> newBridgesByFlag = new HashMap<>();
+    Map<String, Set<String>> newRelaysByContact = new HashMap<>();
+    Map<String, Set<String>> newRelaysByFamily = new HashMap<>();
+    SortedMap<Integer, Set<String>> newRelaysByFirstSeenDays = new TreeMap<>();
+    SortedMap<Integer, Set<String>> newBridgesByFirstSeenDays = new TreeMap<>();
+    SortedMap<Integer, Set<String>> newRelaysByLastSeenDays = new TreeMap<>();
+    SortedMap<Integer, Set<String>> newBridgesByLastSeenDays = new TreeMap<>();
+    Set<SummaryDocument> currentRelays = new HashSet<>();
+    Set<SummaryDocument> currentBridges = new HashSet<>();
     SortedSet<String> fingerprints = documentStore.list(
         SummaryDocument.class);
     long relaysLastValidAfterMillis = 0L;
@@ -191,8 +181,7 @@ public class NodeIndexer implements ServletContextListener, Runnable {
     /* This variable can go away once all Onionoo services had their
      * hourly updater write effective families to summary documents at
      * least once.  Remove this code after September 8, 2015. */
-    SortedMap<String, Set<String>> computedEffectiveFamilies =
-        new TreeMap<String, Set<String>>();
+    SortedMap<String, Set<String>> computedEffectiveFamilies = new TreeMap<>();
     for (SummaryDocument entry : currentRelays) {
       String fingerprint = entry.getFingerprint().toUpperCase();
       String hashedFingerprint = entry.getHashedFingerprint()
@@ -276,7 +265,7 @@ public class NodeIndexer implements ServletContextListener, Runnable {
     for (Map.Entry<String, Set<String>> e :
         computedEffectiveFamilies.entrySet()) {
       String fingerprint = e.getKey();
-      Set<String> inMutualFamilyRelation = new HashSet<String>();
+      Set<String> inMutualFamilyRelation = new HashSet<>();
       for (String otherFingerprint : e.getValue()) {
         if (computedEffectiveFamilies.containsKey(otherFingerprint)
             && computedEffectiveFamilies.get(otherFingerprint).contains(
diff --git a/src/main/java/org/torproject/onionoo/server/RequestHandler.java b/src/main/java/org/torproject/onionoo/server/RequestHandler.java
index 32af238..c94edd4 100644
--- a/src/main/java/org/torproject/onionoo/server/RequestHandler.java
+++ b/src/main/java/org/torproject/onionoo/server/RequestHandler.java
@@ -133,11 +133,9 @@ public class RequestHandler {
     this.family = family;
   }
 
-  private Map<String, SummaryDocument> filteredRelays =
-      new HashMap<String, SummaryDocument>();
+  private Map<String, SummaryDocument> filteredRelays = new HashMap<>();
 
-  private Map<String, SummaryDocument> filteredBridges =
-      new HashMap<String, SummaryDocument>();
+  private Map<String, SummaryDocument> filteredBridges = new HashMap<>();
 
   /** Handles this request by filtering by all given parameters and then
    * possibly ordering, offsetting, and limiting results. */
@@ -190,7 +188,7 @@ public class RequestHandler {
       return;
     }
     boolean runningRequested = this.running.equals("true");
-    Set<String> removeRelays = new HashSet<String>();
+    Set<String> removeRelays = new HashSet<>();
     for (Map.Entry<String, SummaryDocument> e
         : filteredRelays.entrySet()) {
       if (e.getValue().isRunning() != runningRequested) {
@@ -200,7 +198,7 @@ public class RequestHandler {
     for (String fingerprint : removeRelays) {
       this.filteredRelays.remove(fingerprint);
     }
-    Set<String> removeBridges = new HashSet<String>();
+    Set<String> removeBridges = new HashSet<>();
     for (Map.Entry<String, SummaryDocument> e
         : filteredBridges.entrySet()) {
       if (e.getValue().isRunning() != runningRequested) {
@@ -223,7 +221,7 @@ public class RequestHandler {
   }
 
   private void filterBySearchTerm(String searchTerm) {
-    Set<String> removeRelays = new HashSet<String>();
+    Set<String> removeRelays = new HashSet<>();
     for (Map.Entry<String, SummaryDocument> e
         : filteredRelays.entrySet()) {
       String fingerprint = e.getKey();
@@ -276,7 +274,7 @@ public class RequestHandler {
     for (String fingerprint : removeRelays) {
       this.filteredRelays.remove(fingerprint);
     }
-    Set<String> removeBridges = new HashSet<String>();
+    Set<String> removeBridges = new HashSet<>();
     for (Map.Entry<String, SummaryDocument> e :
         filteredBridges.entrySet()) {
       String hashedFingerprint = e.getKey();
@@ -356,7 +354,7 @@ public class RequestHandler {
     } else {
       Set<String> relaysWithCountryCode =
           this.nodeIndex.getRelaysByCountryCode().get(countryCode);
-      Set<String> removeRelays = new HashSet<String>();
+      Set<String> removeRelays = new HashSet<>();
       for (String fingerprint : this.filteredRelays.keySet()) {
         if (!relaysWithCountryCode.contains(fingerprint)) {
           removeRelays.add(fingerprint);
@@ -383,7 +381,7 @@ public class RequestHandler {
     } else {
       Set<String> relaysWithAsNumber =
           this.nodeIndex.getRelaysByAsNumber().get(asNumber);
-      Set<String> removeRelays = new HashSet<String>();
+      Set<String> removeRelays = new HashSet<>();
       for (String fingerprint : this.filteredRelays.keySet()) {
         if (!relaysWithAsNumber.contains(fingerprint)) {
           removeRelays.add(fingerprint);
@@ -407,7 +405,7 @@ public class RequestHandler {
     } else {
       Set<String> relaysWithFlag = this.nodeIndex.getRelaysByFlag().get(
           flag);
-      Set<String> removeRelays = new HashSet<String>();
+      Set<String> removeRelays = new HashSet<>();
       for (String fingerprint : this.filteredRelays.keySet()) {
         if (!relaysWithFlag.contains(fingerprint)) {
           removeRelays.add(fingerprint);
@@ -422,7 +420,7 @@ public class RequestHandler {
     } else {
       Set<String> bridgesWithFlag = this.nodeIndex.getBridgesByFlag().get(
           flag);
-      Set<String> removeBridges = new HashSet<String>();
+      Set<String> removeBridges = new HashSet<>();
       for (String fingerprint : this.filteredBridges.keySet()) {
         if (!bridgesWithFlag.contains(fingerprint)) {
           removeBridges.add(fingerprint);
@@ -459,7 +457,7 @@ public class RequestHandler {
   private void filterNodesByDays(
       Map<String, SummaryDocument> filteredNodes,
       SortedMap<Integer, Set<String>> nodesByDays, int[] days) {
-    Set<String> removeNodes = new HashSet<String>();
+    Set<String> removeNodes = new HashSet<>();
     for (Set<String> nodes : nodesByDays.headMap(days[0]).values()) {
       removeNodes.addAll(nodes);
     }
@@ -479,7 +477,7 @@ public class RequestHandler {
       /* Not filtering by contact information. */
       return;
     }
-    Set<String> removeRelays = new HashSet<String>();
+    Set<String> removeRelays = new HashSet<>();
     for (Map.Entry<String, Set<String>> e :
         this.nodeIndex.getRelaysByContact().entrySet()) {
       String contact = e.getKey();
@@ -502,8 +500,7 @@ public class RequestHandler {
       /* Not filtering by relay family. */
       return;
     }
-    Set<String> removeRelays = new HashSet<String>(
-        this.filteredRelays.keySet());
+    Set<String> removeRelays = new HashSet<>(this.filteredRelays.keySet());
     removeRelays.remove(this.family);
     if (this.nodeIndex.getRelaysByFamily().containsKey(this.family)) {
       removeRelays.removeAll(this.nodeIndex.getRelaysByFamily()
@@ -580,15 +577,13 @@ public class RequestHandler {
     }
   }
 
-  private List<SummaryDocument> orderedRelays =
-      new ArrayList<SummaryDocument>();
+  private List<SummaryDocument> orderedRelays = new ArrayList<>();
 
   public List<SummaryDocument> getOrderedRelays() {
     return this.orderedRelays;
   }
 
-  private List<SummaryDocument> orderedBridges =
-      new ArrayList<SummaryDocument>();
+  private List<SummaryDocument> orderedBridges = new ArrayList<>();
 
   public List<SummaryDocument> getOrderedBridges() {
     return this.orderedBridges;
diff --git a/src/main/java/org/torproject/onionoo/server/ResourceServlet.java b/src/main/java/org/torproject/onionoo/server/ResourceServlet.java
index 0e4c68f..45a52a2 100644
--- a/src/main/java/org/torproject/onionoo/server/ResourceServlet.java
+++ b/src/main/java/org/torproject/onionoo/server/ResourceServlet.java
@@ -66,13 +66,13 @@ public class ResourceServlet extends HttpServlet {
 
   private static final long CACHE_INTERVAL = 5L * 60L * 1000L;
 
-  private static Set<String> knownParameters = new HashSet<String>(
+  private static Set<String> knownParameters = new HashSet<>(
       Arrays.asList(("type,running,search,lookup,fingerprint,country,as,"
           + "flag,first_seen_days,last_seen_days,contact,order,limit,"
           + "offset,fields,family").split(",")));
 
   private static Set<String> illegalSearchQualifiers =
-      new HashSet<String>(Arrays.asList(("search,fingerprint,order,limit,"
+      new HashSet<>(Arrays.asList(("search,fingerprint,order,limit,"
           + "offset,fields").split(",")));
 
   /** Handles the HTTP GET request in the wrapped <code>request</code> by
@@ -124,7 +124,7 @@ public class ResourceServlet extends HttpServlet {
 
     /* Extract parameters either from the old-style URI or from request
      * parameters. */
-    Map<String, String> parameterMap = new HashMap<String, String>();
+    Map<String, String> parameterMap = new HashMap<>();
     for (Object parameterKey : request.getParameterMap().keySet()) {
       String[] parameterValues =
           request.getParameterValues((String) parameterKey);
@@ -148,7 +148,7 @@ public class ResourceServlet extends HttpServlet {
         response.sendError(HttpServletResponse.SC_BAD_REQUEST);
         return;
       }
-      List<String> unqualifiedSearchTerms = new ArrayList<String>();
+      List<String> unqualifiedSearchTerms = new ArrayList<>();
       for (String searchTerm : searchTerms) {
         if (searchTerm.contains(":") && !searchTerm.startsWith("[")) {
           String[] parts = searchTerm.split(":", 2);
diff --git a/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java b/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java
index 4c13334..bb532f6 100644
--- a/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java
+++ b/src/main/java/org/torproject/onionoo/server/ResponseBuilder.java
@@ -47,15 +47,13 @@ public class ResponseBuilder {
     this.bridgesPublishedString = bridgesPublishedString;
   }
 
-  private List<SummaryDocument> orderedRelays =
-      new ArrayList<SummaryDocument>();
+  private List<SummaryDocument> orderedRelays = new ArrayList<>();
 
   public void setOrderedRelays(List<SummaryDocument> orderedRelays) {
     this.orderedRelays = orderedRelays;
   }
 
-  private List<SummaryDocument> orderedBridges =
-      new ArrayList<SummaryDocument>();
+  private List<SummaryDocument> orderedBridges = new ArrayList<>();
 
   public void setOrderedBridges(List<SummaryDocument> orderedBridges) {
     this.orderedBridges = orderedBridges;
diff --git a/src/main/java/org/torproject/onionoo/updater/ClientsStatusUpdater.java b/src/main/java/org/torproject/onionoo/updater/ClientsStatusUpdater.java
index 20971f8..44c4e1b 100644
--- a/src/main/java/org/torproject/onionoo/updater/ClientsStatusUpdater.java
+++ b/src/main/java/org/torproject/onionoo/updater/ClientsStatusUpdater.java
@@ -66,7 +66,7 @@ public class ClientsStatusUpdater implements DescriptorListener,
   }
 
   private SortedMap<String, SortedSet<ClientsHistory>> newResponses =
-      new TreeMap<String, SortedSet<ClientsHistory>>();
+      new TreeMap<>();
 
   private void processBridgeExtraInfoDescriptor(
       ExtraInfoDescriptor descriptor) {
@@ -125,8 +125,7 @@ public class ClientsStatusUpdater implements DescriptorListener,
   private SortedMap<String, Double> weightResponsesWithUniqueIps(
       double totalResponses, SortedMap<String, Integer> uniqueIps,
       String omitString) {
-    SortedMap<String, Double> weightedResponses =
-        new TreeMap<String, Double>();
+    SortedMap<String, Double> weightedResponses = new TreeMap<>();
     int totalUniqueIps = 0;
     if (uniqueIps != null) {
       for (Map.Entry<String, Integer> e : uniqueIps.entrySet()) {
diff --git a/src/main/java/org/torproject/onionoo/updater/DescriptorDownloader.java b/src/main/java/org/torproject/onionoo/updater/DescriptorDownloader.java
index d51bc20..1e41f25 100644
--- a/src/main/java/org/torproject/onionoo/updater/DescriptorDownloader.java
+++ b/src/main/java/org/torproject/onionoo/updater/DescriptorDownloader.java
@@ -61,7 +61,7 @@ class DescriptorDownloader {
     }
   }
 
-  private SortedSet<String> localFiles = new TreeSet<String>();
+  private SortedSet<String> localFiles = new TreeSet<>();
 
   public int statLocalFiles() {
     File localDirectory = new File(this.inDir, this.directory);
@@ -73,7 +73,7 @@ class DescriptorDownloader {
     return this.localFiles.size();
   }
 
-  private SortedSet<String> remoteFiles = new TreeSet<String>();
+  private SortedSet<String> remoteFiles = new TreeSet<>();
 
   public int fetchRemoteDirectory() {
     String directoryUrl = this.protocolHostNameResourcePrefix
diff --git a/src/main/java/org/torproject/onionoo/updater/DescriptorQueue.java b/src/main/java/org/torproject/onionoo/updater/DescriptorQueue.java
index 27a046e..5ce8cfa 100644
--- a/src/main/java/org/torproject/onionoo/updater/DescriptorQueue.java
+++ b/src/main/java/org/torproject/onionoo/updater/DescriptorQueue.java
@@ -156,7 +156,7 @@ class DescriptorQueue {
     }
     this.historyFile = new File(this.statusDir, historyFileName);
     if (this.historyFile.exists() && this.historyFile.isFile()) {
-      SortedMap<String, Long> excludedFiles = new TreeMap<String, Long>();
+      SortedMap<String, Long> excludedFiles = new TreeMap<>();
       try (BufferedReader br = new BufferedReader(new FileReader(
           this.historyFile))) {
         String line;
@@ -184,8 +184,7 @@ class DescriptorQueue {
     if (this.historyFile == null) {
       return;
     }
-    SortedMap<String, Long> excludedAndParsedFiles =
-        new TreeMap<String, Long>();
+    SortedMap<String, Long> excludedAndParsedFiles = new TreeMap<>();
     excludedAndParsedFiles.putAll(
         this.descriptorReader.getExcludedFiles());
     excludedAndParsedFiles.putAll(this.descriptorReader.getParsedFiles());
diff --git a/src/main/java/org/torproject/onionoo/updater/DescriptorSource.java b/src/main/java/org/torproject/onionoo/updater/DescriptorSource.java
index 79fe53b..33c8a8e 100644
--- a/src/main/java/org/torproject/onionoo/updater/DescriptorSource.java
+++ b/src/main/java/org/torproject/onionoo/updater/DescriptorSource.java
@@ -34,9 +34,8 @@ public class DescriptorSource {
 
   /** Instantiates a new descriptor source. */
   public DescriptorSource() {
-    this.descriptorQueues = new ArrayList<DescriptorQueue>();
-    this.descriptorListeners =
-        new HashMap<DescriptorType, Set<DescriptorListener>>();
+    this.descriptorQueues = new ArrayList<>();
+    this.descriptorListeners = new HashMap<>();
   }
 
   private DescriptorQueue getDescriptorQueue(
diff --git a/src/main/java/org/torproject/onionoo/updater/LookupService.java b/src/main/java/org/torproject/onionoo/updater/LookupService.java
index fcef0bc..fb9bf4a 100644
--- a/src/main/java/org/torproject/onionoo/updater/LookupService.java
+++ b/src/main/java/org/torproject/onionoo/updater/LookupService.java
@@ -104,15 +104,14 @@ public class LookupService {
   public SortedMap<String, LookupResult> lookup(
       SortedSet<String> addressStrings) {
 
-    SortedMap<String, LookupResult> lookupResults =
-        new TreeMap<String, LookupResult>();
+    SortedMap<String, LookupResult> lookupResults = new TreeMap<>();
 
     if (!this.hasAllFiles) {
       return lookupResults;
     }
 
     /* Obtain a map from relay IP address strings to numbers. */
-    Map<String, Long> addressStringNumbers = new HashMap<String, Long>();
+    Map<String, Long> addressStringNumbers = new HashMap<>();
     for (String addressString : addressStrings) {
       long addressNumber = this.parseAddressString(addressString);
       if (addressNumber >= 0L) {
@@ -125,12 +124,11 @@ public class LookupService {
 
     /* Obtain a map from IP address numbers to blocks and to latitudes and
        longitudes. */
-    Map<Long, Long> addressNumberBlocks = new HashMap<Long, Long>();
-    Map<Long, Float[]> addressNumberLatLong =
-        new HashMap<Long, Float[]>();
+    Map<Long, Long> addressNumberBlocks = new HashMap<>();
+    Map<Long, Float[]> addressNumberLatLong = new HashMap<>();
     try (BufferedReader br = this.createBufferedReaderFromUtf8File(
         this.geoLite2CityBlocksIPv4CsvFile)) {
-      SortedSet<Long> sortedAddressNumbers = new TreeSet<Long>(
+      SortedSet<Long> sortedAddressNumbers = new TreeSet<>(
           addressStringNumbers.values());
       String line = br.readLine();
       while ((line = br.readLine()) != null) {
@@ -193,11 +191,10 @@ public class LookupService {
     }
 
     /* Obtain a map from relevant blocks to location lines. */
-    Map<Long, String> blockLocations = new HashMap<Long, String>();
+    Map<Long, String> blockLocations = new HashMap<>();
     try (BufferedReader br = this.createBufferedReaderFromUtf8File(
         this.geoLite2CityLocationsEnCsvFile)) {
-      Set<Long> blockNumbers = new HashSet<Long>(
-          addressNumberBlocks.values());
+      Set<Long> blockNumbers = new HashSet<>(addressNumberBlocks.values());
       String line = br.readLine();
       while ((line = br.readLine()) != null) {
         String[] parts = line.replaceAll("\"", "").split(",", 13);
@@ -229,10 +226,10 @@ public class LookupService {
     }
 
     /* Obtain a map from IP address numbers to ASN. */
-    Map<Long, String> addressNumberAsn = new HashMap<Long, String>();
+    Map<Long, String> addressNumberAsn = new HashMap<>();
     try (BufferedReader br = this.createBufferedReaderFromIso88591File(
         this.geoIpAsNum2CsvFile)) {
-      SortedSet<Long> sortedAddressNumbers = new TreeSet<Long>(
+      SortedSet<Long> sortedAddressNumbers = new TreeSet<>(
           addressStringNumbers.values());
       long firstAddressNumber = sortedAddressNumbers.first();
       String line;
diff --git a/src/main/java/org/torproject/onionoo/updater/NodeDetailsStatusUpdater.java b/src/main/java/org/torproject/onionoo/updater/NodeDetailsStatusUpdater.java
index 202524d..b6dcdf7 100644
--- a/src/main/java/org/torproject/onionoo/updater/NodeDetailsStatusUpdater.java
+++ b/src/main/java/org/torproject/onionoo/updater/NodeDetailsStatusUpdater.java
@@ -82,8 +82,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
 
   private long now;
 
-  private SortedMap<String, NodeStatus> knownNodes =
-      new TreeMap<String, NodeStatus>();
+  private SortedMap<String, NodeStatus> knownNodes = new TreeMap<>();
 
   private long relaysLastValidAfterMillis = -1L;
 
@@ -145,8 +144,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     }
   }
 
-  private Map<String, SortedSet<String>> declaredFamilies =
-      new HashMap<String, SortedSet<String>>();
+  private Map<String, SortedSet<String>> declaredFamilies = new HashMap<>();
 
   private void processRelayServerDescriptor(
       ServerDescriptor descriptor) {
@@ -178,7 +176,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     detailsStatus.setContact(descriptor.getContact());
     detailsStatus.setPlatform(descriptor.getPlatform());
     if (descriptor.getFamilyEntries() != null) {
-      SortedSet<String> declaredFamily = new TreeSet<String>();
+      SortedSet<String> declaredFamily = new TreeSet<>();
       for (String familyMember : descriptor.getFamilyEntries()) {
         if (familyMember.startsWith("$") && familyMember.length() >= 41) {
           declaredFamily.add(
@@ -193,8 +191,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
         && (descriptor.getIpv6DefaultPolicy().equals("accept")
         || descriptor.getIpv6DefaultPolicy().equals("reject"))
         && descriptor.getIpv6PortList() != null) {
-      Map<String, List<String>> exitPolicyV6Summary =
-          new HashMap<String, List<String>>();
+      Map<String, List<String>> exitPolicyV6Summary = new HashMap<>();
       List<String> portsOrPortRanges = Arrays.asList(
           descriptor.getIpv6PortList().split(","));
       exitPolicyV6Summary.put(descriptor.getIpv6DefaultPolicy(),
@@ -206,8 +203,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     this.documentStore.store(detailsStatus, fingerprint);
   }
 
-  private Map<String, Map<String, Long>> exitListEntries =
-      new HashMap<String, Map<String, Long>>();
+  private Map<String, Map<String, Long>> exitListEntries = new HashMap<>();
 
   private void processExitList(ExitList exitList) {
     for (ExitList.Entry exitListEntry : exitList.getEntries()) {
@@ -219,8 +215,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
           continue;
         }
         if (!this.exitListEntries.containsKey(fingerprint)) {
-          this.exitListEntries.put(fingerprint,
-              new HashMap<String, Long>());
+          this.exitListEntries.put(fingerprint, new HashMap<String, Long>());
         }
         String exitAddress = exitAddressScanMillis.getKey();
         if (!this.exitListEntries.get(fingerprint).containsKey(
@@ -234,11 +229,9 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     }
   }
 
-  private Map<String, Long> lastSeenUnmeasured =
-      new HashMap<String, Long>();
+  private Map<String, Long> lastSeenUnmeasured = new HashMap<>();
 
-  private Map<String, Long> lastSeenMeasured =
-      new HashMap<String, Long>();
+  private Map<String, Long> lastSeenMeasured = new HashMap<>();
 
   private void processRelayNetworkStatusConsensus(
       RelayNetworkStatusConsensus consensus) {
@@ -248,7 +241,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     }
     Set<String> recommendedVersions = null;
     if (consensus.getRecommendedServerVersions() != null) {
-      recommendedVersions = new HashSet<String>();
+      recommendedVersions = new HashSet<>();
       for (String recommendedVersion :
           consensus.getRecommendedServerVersions()) {
         recommendedVersions.add("Tor " + recommendedVersion);
@@ -266,7 +259,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
       String address = entry.getAddress();
       int orPort = entry.getOrPort();
       int dirPort = entry.getDirPort();
-      SortedSet<String> orAddressesAndPorts = new TreeSet<String>(
+      SortedSet<String> orAddressesAndPorts = new TreeSet<>(
           entry.getOrAddresses());
       nodeStatus.addLastAddresses(validAfterMillis, address, orPort,
           dirPort, orAddressesAndPorts);
@@ -374,7 +367,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
         nodeStatus.setRelay(false);
         nodeStatus.setNickname(entry.getNickname());
         nodeStatus.setAddress(entry.getAddress());
-        nodeStatus.setOrAddressesAndPorts(new TreeSet<String>(
+        nodeStatus.setOrAddressesAndPorts(new TreeSet<>(
             entry.getOrAddresses()));
         nodeStatus.setOrPort(entry.getOrPort());
         nodeStatus.setDirPort(entry.getDirPort());
@@ -405,9 +398,9 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
 
   /* Step 2: read node statuses from disk. */
 
-  private SortedSet<String> currentRelays = new TreeSet<String>();
+  private SortedSet<String> currentRelays = new TreeSet<>();
 
-  private SortedSet<String> runningRelays = new TreeSet<String>();
+  private SortedSet<String> runningRelays = new TreeSet<>();
 
   private void readNodeStatuses() {
     SortedSet<String> previouslyKnownNodes = this.documentStore.list(
@@ -534,8 +527,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
    * probabilities. */
 
   private void startReverseDomainNameLookups() {
-    Map<String, Long> addressLastLookupTimes =
-        new HashMap<String, Long>();
+    Map<String, Long> addressLastLookupTimes = new HashMap<>();
     for (String fingerprint : this.currentRelays) {
       NodeStatus nodeStatus = this.knownNodes.get(fingerprint);
       addressLastLookupTimes.put(nodeStatus.getAddress(),
@@ -545,11 +537,10 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     this.reverseDomainNameResolver.startReverseDomainNameLookups();
   }
 
-  private SortedMap<String, LookupResult> geoIpLookupResults =
-      new TreeMap<String, LookupResult>();
+  private SortedMap<String, LookupResult> geoIpLookupResults = new TreeMap<>();
 
   private void lookUpCitiesAndASes() {
-    SortedSet<String> addressStrings = new TreeSet<String>();
+    SortedSet<String> addressStrings = new TreeSet<>();
     for (String fingerprint : this.currentRelays) {
       NodeStatus nodeStatus = this.knownNodes.get(fingerprint);
       addressStrings.add(nodeStatus.getAddress());
@@ -571,17 +562,13 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     }
   }
 
-  private SortedMap<String, Float> consensusWeightFractions =
-      new TreeMap<String, Float>();
+  private SortedMap<String, Float> consensusWeightFractions = new TreeMap<>();
 
-  private SortedMap<String, Float> guardProbabilities =
-      new TreeMap<String, Float>();
+  private SortedMap<String, Float> guardProbabilities = new TreeMap<>();
 
-  private SortedMap<String, Float> middleProbabilities =
-      new TreeMap<String, Float>();
+  private SortedMap<String, Float> middleProbabilities = new TreeMap<>();
 
-  private SortedMap<String, Float> exitProbabilities =
-      new TreeMap<String, Float>();
+  private SortedMap<String, Float> exitProbabilities = new TreeMap<>();
 
   private void calculatePathSelectionProbabilities() {
     boolean consensusContainsBandwidthWeights = false;
@@ -594,7 +581,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
     double wee = 0.0;
     double wed = 0.0;
     if (this.lastBandwidthWeights != null) {
-      SortedSet<String> weightKeys = new TreeSet<String>(Arrays.asList(
+      SortedSet<String> weightKeys = new TreeSet<>(Arrays.asList(
           "Wgg,Wgd,Wmg,Wmm,Wme,Wmd,Wee,Wed".split(",")));
       weightKeys.removeAll(this.lastBandwidthWeights.keySet());
       if (weightKeys.isEmpty()) {
@@ -615,14 +602,10 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
           + "this execution.");
       return;
     }
-    SortedMap<String, Double> consensusWeights =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> guardWeights =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> middleWeights =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> exitWeights =
-        new TreeMap<String, Double>();
+    SortedMap<String, Double> consensusWeights = new TreeMap<>();
+    SortedMap<String, Double> guardWeights = new TreeMap<>();
+    SortedMap<String, Double> middleWeights = new TreeMap<>();
+    SortedMap<String, Double> exitWeights = new TreeMap<>();
     double totalConsensusWeight = 0.0;
     double totalGuardWeight = 0.0;
     double totalMiddleWeight = 0.0;
@@ -685,8 +668,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
   }
 
   private void computeEffectiveAndExtendedFamilies() {
-    SortedMap<String, SortedSet<String>> declaredFamilies =
-        new TreeMap<String, SortedSet<String>>();
+    SortedMap<String, SortedSet<String>> declaredFamilies = new TreeMap<>();
     for (String fingerprint : this.currentRelays) {
       NodeStatus nodeStatus = this.knownNodes.get(fingerprint);
       if (nodeStatus != null && nodeStatus.getDeclaredFamily() != null
@@ -694,13 +676,12 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
         declaredFamilies.put(fingerprint, nodeStatus.getDeclaredFamily());
       }
     }
-    SortedMap<String, SortedSet<String>> effectiveFamilies =
-        new TreeMap<String, SortedSet<String>>();
+    SortedMap<String, SortedSet<String>> effectiveFamilies = new TreeMap<>();
     for (Map.Entry<String, SortedSet<String>> e :
         declaredFamilies.entrySet()) {
       String fingerprint = e.getKey();
       SortedSet<String> declaredFamily = e.getValue();
-      SortedSet<String> effectiveFamily = new TreeSet<String>();
+      SortedSet<String> effectiveFamily = new TreeSet<>();
       for (String declaredFamilyMember : declaredFamily) {
         if (declaredFamilies.containsKey(declaredFamilyMember)
             && declaredFamilies.get(declaredFamilyMember).contains(
@@ -712,16 +693,15 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
         effectiveFamilies.put(fingerprint, effectiveFamily);
       }
     }
-    SortedMap<String, SortedSet<String>> extendedFamilies =
-        new TreeMap<String, SortedSet<String>>();
-    SortedSet<String> visited = new TreeSet<String>();
+    SortedMap<String, SortedSet<String>> extendedFamilies = new TreeMap<>();
+    SortedSet<String> visited = new TreeSet<>();
     for (String fingerprint : effectiveFamilies.keySet()) {
       if (visited.contains(fingerprint)) {
         continue;
       }
-      SortedSet<String> toVisit = new TreeSet<String>();
+      SortedSet<String> toVisit = new TreeSet<>();
       toVisit.add(fingerprint);
-      SortedSet<String> extendedFamily = new TreeSet<String>();
+      SortedSet<String> extendedFamily = new TreeSet<>();
       while (!toVisit.isEmpty()) {
         String visiting = toVisit.first();
         toVisit.remove(visiting);
@@ -739,7 +719,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
       if (extendedFamily.size() > 1) {
         for (String member : extendedFamily) {
           SortedSet<String> extendedFamilyWithoutMember =
-              new TreeSet<String>(extendedFamily);
+              new TreeSet<>(extendedFamily);
           extendedFamilyWithoutMember.remove(member);
           extendedFamilies.put(member, extendedFamilyWithoutMember);
         }
@@ -763,8 +743,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
 
   private long startedRdnsLookups = -1L;
 
-  private SortedMap<String, String> rdnsLookupResults =
-      new TreeMap<String, String>();
+  private SortedMap<String, String> rdnsLookupResults = new TreeMap<>();
 
   private void finishReverseDomainNameLookups() {
     this.reverseDomainNameResolver.finishReverseDomainNameLookups();
@@ -795,7 +774,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
 
       nodeStatus.setContact(detailsStatus.getContact());
 
-      Map<String, Long> exitAddresses = new HashMap<String, Long>();
+      Map<String, Long> exitAddresses = new HashMap<>();
       if (detailsStatus.getExitAddresses() != null) {
         for (Map.Entry<String, Long> e :
             detailsStatus.getExitAddresses().entrySet()) {
@@ -817,7 +796,7 @@ public class NodeDetailsStatusUpdater implements DescriptorListener,
       }
       detailsStatus.setExitAddresses(exitAddresses);
       SortedSet<String> exitAddressesWithoutOrAddresses =
-          new TreeSet<String>(exitAddresses.keySet());
+          new TreeSet<>(exitAddresses.keySet());
       exitAddressesWithoutOrAddresses.removeAll(
           nodeStatus.getOrAddresses());
       nodeStatus.setExitAddresses(exitAddressesWithoutOrAddresses);
diff --git a/src/main/java/org/torproject/onionoo/updater/ReverseDomainNameResolver.java b/src/main/java/org/torproject/onionoo/updater/ReverseDomainNameResolver.java
index 3c26975..04222bf 100644
--- a/src/main/java/org/torproject/onionoo/updater/ReverseDomainNameResolver.java
+++ b/src/main/java/org/torproject/onionoo/updater/ReverseDomainNameResolver.java
@@ -52,7 +52,7 @@ public class ReverseDomainNameResolver {
    * threads and returns immediately. */
   public void startReverseDomainNameLookups() {
     this.startedRdnsLookups = this.time.currentTimeMillis();
-    this.rdnsLookupJobs = new HashSet<String>();
+    this.rdnsLookupJobs = new HashSet<>();
     for (Map.Entry<String, Long> e :
         this.addressLastLookupTimes.entrySet()) {
       if (e.getValue() < this.startedRdnsLookups
@@ -60,9 +60,9 @@ public class ReverseDomainNameResolver {
         this.rdnsLookupJobs.add(e.getKey());
       }
     }
-    this.rdnsLookupResults = new HashMap<String, String>();
-    this.rdnsLookupMillis = new ArrayList<Long>();
-    this.rdnsLookupWorkers = new ArrayList<RdnsLookupWorker>();
+    this.rdnsLookupResults = new HashMap<>();
+    this.rdnsLookupMillis = new ArrayList<>();
+    this.rdnsLookupWorkers = new ArrayList<>();
     for (int i = 0; i < RDNS_LOOKUP_WORKERS_NUM; i++) {
       RdnsLookupWorker rdnsLookupWorker = new RdnsLookupWorker(this);
       this.rdnsLookupWorkers.add(rdnsLookupWorker);
@@ -87,7 +87,7 @@ public class ReverseDomainNameResolver {
   /** Returns reverse domain name lookup results. */
   public Map<String, String> getLookupResults() {
     synchronized (this.rdnsLookupResults) {
-      return new HashMap<String, String>(this.rdnsLookupResults);
+      return new HashMap<>(this.rdnsLookupResults);
     }
   }
 
diff --git a/src/main/java/org/torproject/onionoo/updater/UptimeStatusUpdater.java b/src/main/java/org/torproject/onionoo/updater/UptimeStatusUpdater.java
index fb8139c..2b5f5fc 100644
--- a/src/main/java/org/torproject/onionoo/updater/UptimeStatusUpdater.java
+++ b/src/main/java/org/torproject/onionoo/updater/UptimeStatusUpdater.java
@@ -57,11 +57,9 @@ public class UptimeStatusUpdater implements DescriptorListener,
 
   private static class Flags {
 
-    private static Map<String, Integer> flagIndexes =
-        new HashMap<String, Integer>();
+    private static Map<String, Integer> flagIndexes = new HashMap<>();
 
-    private static Map<Integer, String> flagStrings =
-        new HashMap<Integer, String>();
+    private static Map<Integer, String> flagStrings = new HashMap<>();
 
     private BitSet flags;
 
@@ -77,7 +75,7 @@ public class UptimeStatusUpdater implements DescriptorListener,
     }
 
     public SortedSet<String> getFlags() {
-      SortedSet<String> result = new TreeSet<String>();
+      SortedSet<String> result = new TreeSet<>();
       if (this.flags != null) {
         for (int i = this.flags.nextSetBit(0); i >= 0;
             i = this.flags.nextSetBit(i + 1)) {
@@ -88,16 +86,15 @@ public class UptimeStatusUpdater implements DescriptorListener,
     }
   }
 
-  private SortedMap<Long, Flags>
-      newRelayStatuses = new TreeMap<Long, Flags>();
+  private SortedMap<Long, Flags> newRelayStatuses = new TreeMap<>();
 
   private SortedMap<String, SortedMap<Long, Flags>>
-      newRunningRelays = new TreeMap<String, SortedMap<Long, Flags>>();
+      newRunningRelays = new TreeMap<>();
 
-  private SortedSet<Long> newBridgeStatuses = new TreeSet<Long>();
+  private SortedSet<Long> newBridgeStatuses = new TreeSet<>();
 
   private SortedMap<String, SortedSet<Long>>
-      newRunningBridges = new TreeMap<String, SortedSet<Long>>();
+      newRunningBridges = new TreeMap<>();
 
   private void processRelayNetworkStatusConsensus(
       RelayNetworkStatusConsensus consensus) {
@@ -118,7 +115,7 @@ public class UptimeStatusUpdater implements DescriptorListener,
   }
 
   private void processBridgeNetworkStatus(BridgeNetworkStatus status) {
-    SortedSet<String> fingerprints = new TreeSet<String>();
+    SortedSet<String> fingerprints = new TreeSet<>();
     for (NetworkStatusEntry entry :
         status.getStatusEntries().values()) {
       fingerprints.add(entry.getFingerprint());
@@ -145,15 +142,13 @@ public class UptimeStatusUpdater implements DescriptorListener,
     this.updateStatus(true, null, this.newRelayStatuses);
     for (Map.Entry<String, SortedSet<Long>> e :
         this.newRunningBridges.entrySet()) {
-      SortedMap<Long, Flags> dateHourMillisNoFlags =
-          new TreeMap<Long, Flags>();
+      SortedMap<Long, Flags> dateHourMillisNoFlags = new TreeMap<>();
       for (long dateHourMillis : e.getValue()) {
         dateHourMillisNoFlags.put(dateHourMillis, null);
       }
       this.updateStatus(false, e.getKey(), dateHourMillisNoFlags);
     }
-    SortedMap<Long, Flags> dateHourMillisNoFlags =
-        new TreeMap<Long, Flags>();
+    SortedMap<Long, Flags> dateHourMillisNoFlags = new TreeMap<>();
     for (long dateHourMillis : this.newBridgeStatuses) {
       dateHourMillisNoFlags.put(dateHourMillis, null);
     }
diff --git a/src/main/java/org/torproject/onionoo/updater/WeightsStatusUpdater.java b/src/main/java/org/torproject/onionoo/updater/WeightsStatusUpdater.java
index 7ce1863..9ae60a9 100644
--- a/src/main/java/org/torproject/onionoo/updater/WeightsStatusUpdater.java
+++ b/src/main/java/org/torproject/onionoo/updater/WeightsStatusUpdater.java
@@ -97,7 +97,7 @@ public class WeightsStatusUpdater implements DescriptorListener,
     SortedMap<String, Integer> bandwidthWeights =
         consensus.getBandwidthWeights();
     if (bandwidthWeights != null) {
-      SortedSet<String> missingWeightKeys = new TreeSet<String>(
+      SortedSet<String> missingWeightKeys = new TreeSet<>(
           Arrays.asList("Wgg,Wgd,Wmg,Wmm,Wme,Wmd,Wee,Wed".split(",")));
       missingWeightKeys.removeAll(bandwidthWeights.keySet());
       if (missingWeightKeys.isEmpty()) {
@@ -112,14 +112,10 @@ public class WeightsStatusUpdater implements DescriptorListener,
         containsBandwidthWeights = true;
       }
     }
-    SortedMap<String, Double> consensusWeights =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> guardWeights =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> middleWeights =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> exitWeights =
-        new TreeMap<String, Double>();
+    SortedMap<String, Double> consensusWeights = new TreeMap<>();
+    SortedMap<String, Double> guardWeights = new TreeMap<>();
+    SortedMap<String, Double> middleWeights = new TreeMap<>();
+    SortedMap<String, Double> exitWeights = new TreeMap<>();
     double totalConsensusWeight = 0.0;
     double totalGuardWeight = 0.0;
     double totalMiddleWeight = 0.0;
@@ -167,8 +163,7 @@ public class WeightsStatusUpdater implements DescriptorListener,
         }
       }
     }
-    SortedMap<String, double[]> pathSelectionProbabilities =
-        new TreeMap<String, double[]>();
+    SortedMap<String, double[]> pathSelectionProbabilities = new TreeMap<>();
     for (String fingerprint : consensusWeights.keySet()) {
       double[] probabilities = new double[] { -1.0, -1.0, -1.0, -1.0,
           -1.0, -1.0, -1.0 };
diff --git a/src/main/java/org/torproject/onionoo/writer/BandwidthDocumentWriter.java b/src/main/java/org/torproject/onionoo/writer/BandwidthDocumentWriter.java
index 84e42ce..a809aba 100644
--- a/src/main/java/org/torproject/onionoo/writer/BandwidthDocumentWriter.java
+++ b/src/main/java/org/torproject/onionoo/writer/BandwidthDocumentWriter.java
@@ -95,13 +95,12 @@ public class BandwidthDocumentWriter implements DocumentWriter {
 
   private Map<String, GraphHistory> compileGraphType(
       SortedMap<Long, long[]> history) {
-    Map<String, GraphHistory> graphs =
-        new LinkedHashMap<String, GraphHistory>();
+    Map<String, GraphHistory> graphs = new LinkedHashMap<>();
     for (int i = 0; i < this.graphIntervals.length; i++) {
       String graphName = this.graphNames[i];
       long graphInterval = this.graphIntervals[i];
       long dataPointInterval = this.dataPointIntervals[i];
-      List<Long> dataPoints = new ArrayList<Long>();
+      List<Long> dataPoints = new ArrayList<>();
       long intervalStartMillis = ((this.now - graphInterval)
           / dataPointInterval) * dataPointInterval;
       long totalMillis = 0L;
@@ -180,7 +179,7 @@ public class BandwidthDocumentWriter implements DocumentWriter {
       graphHistory.setCount(count);
       int previousNonNullIndex = -2;
       boolean foundTwoAdjacentDataPoints = false;
-      List<Integer> values = new ArrayList<Integer>();
+      List<Integer> values = new ArrayList<>();
       for (int j = firstNonNullIndex; j <= lastNonNullIndex; j++) {
         long dataPoint = dataPoints.get(j);
         if (dataPoint >= 0L) {
diff --git a/src/main/java/org/torproject/onionoo/writer/ClientsDocumentWriter.java b/src/main/java/org/torproject/onionoo/writer/ClientsDocumentWriter.java
index 868d5c1..fb262e9 100644
--- a/src/main/java/org/torproject/onionoo/writer/ClientsDocumentWriter.java
+++ b/src/main/java/org/torproject/onionoo/writer/ClientsDocumentWriter.java
@@ -112,8 +112,7 @@ public class ClientsDocumentWriter implements DocumentWriter {
       SortedSet<ClientsHistory> history) {
     ClientsDocument clientsDocument = new ClientsDocument();
     clientsDocument.setFingerprint(hashedFingerprint);
-    Map<String, ClientsGraphHistory> averageClients =
-        new LinkedHashMap<String, ClientsGraphHistory>();
+    Map<String, ClientsGraphHistory> averageClients = new LinkedHashMap<>();
     for (int graphIntervalIndex = 0; graphIntervalIndex
         < this.graphIntervals.length; graphIntervalIndex++) {
       String graphName = this.graphNames[graphIntervalIndex];
@@ -132,18 +131,15 @@ public class ClientsDocumentWriter implements DocumentWriter {
     long graphInterval = this.graphIntervals[graphIntervalIndex];
     long dataPointInterval =
         this.dataPointIntervals[graphIntervalIndex];
-    List<Double> dataPoints = new ArrayList<Double>();
+    List<Double> dataPoints = new ArrayList<>();
     long intervalStartMillis = ((this.now - graphInterval)
         / dataPointInterval) * dataPointInterval;
     long millis = 0L;
     double responses = 0.0;
     double totalResponses = 0.0;
-    SortedMap<String, Double> totalResponsesByCountry =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> totalResponsesByTransport =
-        new TreeMap<String, Double>();
-    SortedMap<String, Double> totalResponsesByVersion =
-        new TreeMap<String, Double>();
+    SortedMap<String, Double> totalResponsesByCountry = new TreeMap<>();
+    SortedMap<String, Double> totalResponsesByTransport = new TreeMap<>();
+    SortedMap<String, Double> totalResponsesByVersion = new TreeMap<>();
     for (ClientsHistory hist : history) {
       if (hist.getEndMillis() < intervalStartMillis) {
         continue;
@@ -231,7 +227,7 @@ public class ClientsDocumentWriter implements DocumentWriter {
     graphHistory.setCount(count);
     int previousNonNullIndex = -2;
     boolean foundTwoAdjacentDataPoints = false;
-    List<Integer> values = new ArrayList<Integer>();
+    List<Integer> values = new ArrayList<>();
     for (int dataPointIndex = firstNonNullIndex; dataPointIndex
         <= lastNonNullIndex; dataPointIndex++) {
       double dataPoint = dataPoints.get(dataPointIndex);
@@ -246,7 +242,7 @@ public class ClientsDocumentWriter implements DocumentWriter {
     }
     graphHistory.setValues(values);
     if (!totalResponsesByCountry.isEmpty()) {
-      SortedMap<String, Float> countries = new TreeMap<String, Float>();
+      SortedMap<String, Float> countries = new TreeMap<>();
       for (Map.Entry<String, Double> e :
           totalResponsesByCountry.entrySet()) {
         if (e.getValue() > totalResponses / 100.0) {
@@ -257,7 +253,7 @@ public class ClientsDocumentWriter implements DocumentWriter {
       graphHistory.setCountries(countries);
     }
     if (!totalResponsesByTransport.isEmpty()) {
-      SortedMap<String, Float> transports = new TreeMap<String, Float>();
+      SortedMap<String, Float> transports = new TreeMap<>();
       for (Map.Entry<String, Double> e :
           totalResponsesByTransport.entrySet()) {
         if (e.getValue() > totalResponses / 100.0) {
@@ -268,7 +264,7 @@ public class ClientsDocumentWriter implements DocumentWriter {
       graphHistory.setTransports(transports);
     }
     if (!totalResponsesByVersion.isEmpty()) {
-      SortedMap<String, Float> versions = new TreeMap<String, Float>();
+      SortedMap<String, Float> versions = new TreeMap<>();
       for (Map.Entry<String, Double> e :
           totalResponsesByVersion.entrySet()) {
         if (e.getValue() > totalResponses / 100.0) {
diff --git a/src/main/java/org/torproject/onionoo/writer/DetailsDocumentWriter.java b/src/main/java/org/torproject/onionoo/writer/DetailsDocumentWriter.java
index 5e3e175..e3f638d 100644
--- a/src/main/java/org/torproject/onionoo/writer/DetailsDocumentWriter.java
+++ b/src/main/java/org/torproject/onionoo/writer/DetailsDocumentWriter.java
@@ -56,7 +56,7 @@ public class DetailsDocumentWriter implements DocumentWriter {
     DetailsDocument detailsDocument = new DetailsDocument();
     detailsDocument.setNickname(detailsStatus.getNickname());
     detailsDocument.setFingerprint(fingerprint);
-    List<String> orAddresses = new ArrayList<String>();
+    List<String> orAddresses = new ArrayList<>();
     orAddresses.add(detailsStatus.getAddress() + ":"
         + detailsStatus.getOrPort());
     for (String orAddress : detailsStatus.getOrAddressesAndPorts()) {
@@ -80,8 +80,7 @@ public class DetailsDocumentWriter implements DocumentWriter {
     String portList = detailsStatus.getPortList();
     if (defaultPolicy != null && (defaultPolicy.equals("accept")
         || defaultPolicy.equals("reject")) && portList != null) {
-      Map<String, List<String>> exitPolicySummary =
-          new HashMap<String, List<String>>();
+      Map<String, List<String>> exitPolicySummary = new HashMap<>();
       List<String> portsOrPortRanges = Arrays.asList(portList.split(","));
       exitPolicySummary.put(defaultPolicy, portsOrPortRanges);
       detailsDocument.setExitPolicySummary(exitPolicySummary);
@@ -118,7 +117,7 @@ public class DetailsDocumentWriter implements DocumentWriter {
     detailsDocument.setPlatform(detailsStatus.getPlatform());
     if (detailsStatus.getAllegedFamily() != null
         && !detailsStatus.getAllegedFamily().isEmpty()) {
-      SortedSet<String> allegedFamily = new TreeSet<String>();
+      SortedSet<String> allegedFamily = new TreeSet<>();
       for (String familyMember : detailsStatus.getAllegedFamily()) {
         if (familyMember.length() >= 40) {
           allegedFamily.add("$" + familyMember);
@@ -130,7 +129,7 @@ public class DetailsDocumentWriter implements DocumentWriter {
     }
     if (detailsStatus.getEffectiveFamily() != null
         && !detailsStatus.getEffectiveFamily().isEmpty()) {
-      SortedSet<String> effectiveFamily = new TreeSet<String>();
+      SortedSet<String> effectiveFamily = new TreeSet<>();
       for (String familyMember : detailsStatus.getEffectiveFamily()) {
         effectiveFamily.add("$" + familyMember);
       }
@@ -138,7 +137,7 @@ public class DetailsDocumentWriter implements DocumentWriter {
     }
     if (detailsStatus.getIndirectFamily() != null
         && !detailsStatus.getIndirectFamily().isEmpty()) {
-      SortedSet<String> indirectFamily = new TreeSet<String>();
+      SortedSet<String> indirectFamily = new TreeSet<>();
       for (String familyMember : detailsStatus.getIndirectFamily()) {
         indirectFamily.add("$" + familyMember);
       }
@@ -149,10 +148,10 @@ public class DetailsDocumentWriter implements DocumentWriter {
     detailsDocument.setHibernating(detailsStatus.getHibernating());
     if (detailsStatus.getExitAddresses() != null) {
       SortedSet<String> exitAddressesWithoutOrAddresses =
-          new TreeSet<String>(detailsStatus.getExitAddresses().keySet());
+          new TreeSet<>(detailsStatus.getExitAddresses().keySet());
       exitAddressesWithoutOrAddresses.removeAll(
           detailsStatus.getOrAddresses());
-      detailsDocument.setExitAddresses(new ArrayList<String>(
+      detailsDocument.setExitAddresses(new ArrayList<>(
           exitAddressesWithoutOrAddresses));
     }
     detailsDocument.setMeasured(detailsStatus.getMeasured());
@@ -165,7 +164,7 @@ public class DetailsDocumentWriter implements DocumentWriter {
     detailsDocument.setNickname(detailsStatus.getNickname());
     detailsDocument.setHashedFingerprint(fingerprint);
     String address = detailsStatus.getAddress();
-    List<String> orAddresses = new ArrayList<String>();
+    List<String> orAddresses = new ArrayList<>();
     orAddresses.add(address + ":" + detailsStatus.getOrPort());
     SortedSet<String> orAddressesAndPorts =
         detailsStatus.getOrAddressesAndPorts();
diff --git a/src/main/java/org/torproject/onionoo/writer/SummaryDocumentWriter.java b/src/main/java/org/torproject/onionoo/writer/SummaryDocumentWriter.java
index 24c7e0c..b2f678d 100644
--- a/src/main/java/org/torproject/onionoo/writer/SummaryDocumentWriter.java
+++ b/src/main/java/org/torproject/onionoo/writer/SummaryDocumentWriter.java
@@ -65,7 +65,7 @@ public class SummaryDocumentWriter implements DocumentWriter {
         }
         continue;
       }
-      List<String> addresses = new ArrayList<String>();
+      List<String> addresses = new ArrayList<>();
       addresses.add(nodeStatus.getAddress());
       for (String orAddress : nodeStatus.getOrAddresses()) {
         if (!addresses.contains(orAddress)) {
diff --git a/src/main/java/org/torproject/onionoo/writer/UptimeDocumentWriter.java b/src/main/java/org/torproject/onionoo/writer/UptimeDocumentWriter.java
index 42f5661..0154604 100644
--- a/src/main/java/org/torproject/onionoo/writer/UptimeDocumentWriter.java
+++ b/src/main/java/org/torproject/onionoo/writer/UptimeDocumentWriter.java
@@ -107,8 +107,7 @@ public class UptimeDocumentWriter implements DocumentWriter {
       SortedSet<UptimeHistory> knownStatuses) {
     UptimeDocument uptimeDocument = new UptimeDocument();
     uptimeDocument.setFingerprint(fingerprint);
-    Map<String, GraphHistory> uptime =
-        new LinkedHashMap<String, GraphHistory>();
+    Map<String, GraphHistory> uptime = new LinkedHashMap<>();
     for (int graphIntervalIndex = 0; graphIntervalIndex
         < this.graphIntervals.length; graphIntervalIndex++) {
       String graphName = this.graphNames[graphIntervalIndex];
@@ -119,17 +118,15 @@ public class UptimeDocumentWriter implements DocumentWriter {
       }
     }
     uptimeDocument.setUptime(uptime);
-    SortedMap<String, Map<String, GraphHistory>> flags =
-        new TreeMap<String, Map<String, GraphHistory>>();
-    SortedSet<String> allFlags = new TreeSet<String>();
+    SortedMap<String, Map<String, GraphHistory>> flags = new TreeMap<>();
+    SortedSet<String> allFlags = new TreeSet<>();
     for (UptimeHistory hist : history) {
       if (hist.getFlags() != null) {
         allFlags.addAll(hist.getFlags());
       }
     }
     for (String flag : allFlags) {
-      Map<String, GraphHistory> graphsForFlags =
-          new LinkedHashMap<String, GraphHistory>();
+      Map<String, GraphHistory> graphsForFlags = new LinkedHashMap<>();
       for (int graphIntervalIndex = 0; graphIntervalIndex
           < this.graphIntervals.length; graphIntervalIndex++) {
         String graphName = this.graphNames[graphIntervalIndex];
@@ -157,7 +154,7 @@ public class UptimeDocumentWriter implements DocumentWriter {
         this.dataPointIntervals[graphIntervalIndex];
     int dataPointIntervalHours = (int) (dataPointInterval
         / DateTimeHelper.ONE_HOUR);
-    List<Integer> uptimeDataPoints = new ArrayList<Integer>();
+    List<Integer> uptimeDataPoints = new ArrayList<>();
     long intervalStartMillis = ((this.now - graphInterval)
         / dataPointInterval) * dataPointInterval;
     int uptimeHours = 0;
@@ -200,7 +197,7 @@ public class UptimeDocumentWriter implements DocumentWriter {
           / DateTimeHelper.ONE_HOUR);
     }
     uptimeDataPoints.add(uptimeHours);
-    List<Integer> statusDataPoints = new ArrayList<Integer>();
+    List<Integer> statusDataPoints = new ArrayList<>();
     intervalStartMillis = ((this.now - graphInterval)
         / dataPointInterval) * dataPointInterval;
     int statusHours = -1;
@@ -246,7 +243,7 @@ public class UptimeDocumentWriter implements DocumentWriter {
       statusDataPoints.add(statusHours * 5 > dataPointIntervalHours
           ? statusHours : -1);
     }
-    List<Double> dataPoints = new ArrayList<Double>();
+    List<Double> dataPoints = new ArrayList<>();
     for (int dataPointIndex = 0; dataPointIndex < statusDataPoints.size();
         dataPointIndex++) {
       if (dataPointIndex >= uptimeDataPoints.size()) {
@@ -297,7 +294,7 @@ public class UptimeDocumentWriter implements DocumentWriter {
     graphHistory.setCount(count);
     int previousNonNullIndex = -2;
     boolean foundTwoAdjacentDataPoints = false;
-    List<Integer> values = new ArrayList<Integer>();
+    List<Integer> values = new ArrayList<>();
     for (int dataPointIndex = firstNonNullIndex; dataPointIndex
         <= lastNonNullIndex; dataPointIndex++) {
       double dataPoint = dataPoints.get(dataPointIndex);
diff --git a/src/main/java/org/torproject/onionoo/writer/WeightsDocumentWriter.java b/src/main/java/org/torproject/onionoo/writer/WeightsDocumentWriter.java
index 35ef3ae..5b45b78 100644
--- a/src/main/java/org/torproject/onionoo/writer/WeightsDocumentWriter.java
+++ b/src/main/java/org/torproject/onionoo/writer/WeightsDocumentWriter.java
@@ -98,8 +98,7 @@ public class WeightsDocumentWriter implements DocumentWriter {
 
   private Map<String, GraphHistory> compileGraphType(
       SortedMap<long[], double[]> history, int graphTypeIndex) {
-    Map<String, GraphHistory> graphs =
-        new LinkedHashMap<String, GraphHistory>();
+    Map<String, GraphHistory> graphs = new LinkedHashMap<>();
     for (int graphIntervalIndex = 0; graphIntervalIndex
         < this.graphIntervals.length; graphIntervalIndex++) {
       String graphName = this.graphNames[graphIntervalIndex];
@@ -117,7 +116,7 @@ public class WeightsDocumentWriter implements DocumentWriter {
     long graphInterval = this.graphIntervals[graphIntervalIndex];
     long dataPointInterval =
         this.dataPointIntervals[graphIntervalIndex];
-    List<Double> dataPoints = new ArrayList<Double>();
+    List<Double> dataPoints = new ArrayList<>();
     long intervalStartMillis = ((this.now - graphInterval)
         / dataPointInterval) * dataPointInterval;
     long totalMillis = 0L;
@@ -188,7 +187,7 @@ public class WeightsDocumentWriter implements DocumentWriter {
     graphHistory.setCount(count);
     int previousNonNullIndex = -2;
     boolean foundTwoAdjacentDataPoints = false;
-    List<Integer> values = new ArrayList<Integer>();
+    List<Integer> values = new ArrayList<>();
     for (int dataPointIndex = firstNonNullIndex; dataPointIndex
         <= lastNonNullIndex; dataPointIndex++) {
       double dataPoint = dataPoints.get(dataPointIndex);
diff --git a/src/test/java/org/torproject/onionoo/docs/BandwidthStatusTest.java b/src/test/java/org/torproject/onionoo/docs/BandwidthStatusTest.java
index e327b64..6fcd05b 100644
--- a/src/test/java/org/torproject/onionoo/docs/BandwidthStatusTest.java
+++ b/src/test/java/org/torproject/onionoo/docs/BandwidthStatusTest.java
@@ -69,8 +69,7 @@ public class BandwidthStatusTest {
       return this.intervalLength;
     }
 
-    private SortedMap<Long, Long> bandwidthValues =
-        new TreeMap<>();
+    private SortedMap<Long, Long> bandwidthValues = new TreeMap<>();
 
     public SortedMap<Long, Long> getBandwidthValues() {
       return this.bandwidthValues;
diff --git a/src/test/java/org/torproject/onionoo/docs/DummyDocumentStore.java b/src/test/java/org/torproject/onionoo/docs/DummyDocumentStore.java
index 3c80cfa..4904044 100644
--- a/src/test/java/org/torproject/onionoo/docs/DummyDocumentStore.java
+++ b/src/test/java/org/torproject/onionoo/docs/DummyDocumentStore.java
@@ -20,8 +20,7 @@ public class DummyDocumentStore extends DocumentStore {
   private <T extends Document> SortedMap<String, Document>
       getStoredDocumentsByClass(Class<T> documentType) {
     if (!this.storedDocuments.containsKey(documentType)) {
-      this.storedDocuments.put(documentType,
-          new TreeMap<String, Document>());
+      this.storedDocuments.put(documentType, new TreeMap<String, Document>());
     }
     return this.storedDocuments.get(documentType);
   }
@@ -63,7 +62,7 @@ public class DummyDocumentStore extends DocumentStore {
   public <T extends Document> SortedSet<String> list(
       Class<T> documentType) {
     this.performedListOperations++;
-    SortedSet<String> fingerprints = new TreeSet<String>(
+    SortedSet<String> fingerprints = new TreeSet<>(
         this.getStoredDocumentsByClass(documentType).keySet());
     fingerprints.remove(FINGERPRINT_NULL);
     return fingerprints;
diff --git a/src/test/java/org/torproject/onionoo/docs/NodeStatusTest.java b/src/test/java/org/torproject/onionoo/docs/NodeStatusTest.java
index 2e7c3a3..284edd9 100644
--- a/src/test/java/org/torproject/onionoo/docs/NodeStatusTest.java
+++ b/src/test/java/org/torproject/onionoo/docs/NodeStatusTest.java
@@ -26,11 +26,11 @@ public class NodeStatusTest {
   private void assertFamiliesCanBeDeSerialized(
       String[] declaredFamilyArray, String[] effectiveFamilyArray,
       String[] extendedFamilyArray) {
-    SortedSet<String> declaredFamily = new TreeSet<String>(
+    SortedSet<String> declaredFamily = new TreeSet<>(
         Arrays.asList(declaredFamilyArray));
-    SortedSet<String> effectiveFamily = new TreeSet<String>(
+    SortedSet<String> effectiveFamily = new TreeSet<>(
         Arrays.asList(effectiveFamilyArray));
-    SortedSet<String> extendedFamily = new TreeSet<String>(
+    SortedSet<String> extendedFamily = new TreeSet<>(
         Arrays.asList(extendedFamilyArray));
     NodeStatus nodeStatus = NodeStatus.fromString(GABELMOO_NODE_STATUS);
     nodeStatus.setDeclaredFamily(declaredFamily);
diff --git a/src/test/java/org/torproject/onionoo/docs/SummaryDocumentTest.java b/src/test/java/org/torproject/onionoo/docs/SummaryDocumentTest.java
index 359fa03..413ca83 100644
--- a/src/test/java/org/torproject/onionoo/docs/SummaryDocumentTest.java
+++ b/src/test/java/org/torproject/onionoo/docs/SummaryDocumentTest.java
@@ -18,14 +18,14 @@ public class SummaryDocumentTest {
         "000C5F55BD4814B917CC474BD537F1A3B33CCE2A", Arrays.asList(
         new String[] { "62.216.201.221", "62.216.201.222",
             "62.216.201.223" }), DateTimeHelper.parse("2013-04-19 05:00:00"),
-        false, new TreeSet<String>(Arrays.asList(new String[] { "Running",
+        false, new TreeSet<>(Arrays.asList(new String[] { "Running",
             "Valid" })), 20L, "de",
         DateTimeHelper.parse("2013-04-18 05:00:00"), "AS8767",
         "torkaz <klaus dot zufall at gmx dot de> "
-        + "<fb-token:np5_g_83jmf=>", new TreeSet<String>(Arrays.asList(
+        + "<fb-token:np5_g_83jmf=>", new TreeSet<>(Arrays.asList(
         new String[] { "001C13B3A55A71B977CA65EC85539D79C653A3FC",
             "0025C136C1F3A9EEFE2AE3F918F03BFA21B5070B" })),
-        new TreeSet<String>(Arrays.asList(
+        new TreeSet<>(Arrays.asList(
         new String[] { "001C13B3A55A71B977CA65EC85539D79C653A3FC" })));
   }
 
diff --git a/src/test/java/org/torproject/onionoo/docs/UptimeStatusTest.java b/src/test/java/org/torproject/onionoo/docs/UptimeStatusTest.java
index b5fa157..0d95925 100644
--- a/src/test/java/org/torproject/onionoo/docs/UptimeStatusTest.java
+++ b/src/test/java/org/torproject/onionoo/docs/UptimeStatusTest.java
@@ -208,7 +208,7 @@ public class UptimeStatusTest {
   }
 
   private static final SortedSet<String> RUNNING_FLAG =
-      new TreeSet<String>(Arrays.asList(new String[] { "Running" }));
+      new TreeSet<>(Arrays.asList(new String[] { "Running" }));
 
   @Test()
   public void testAddFlagsToNoFlagsEnd() {
diff --git a/src/test/java/org/torproject/onionoo/server/ResourceServletTest.java b/src/test/java/org/torproject/onionoo/server/ResourceServletTest.java
index 9d47bd2..f17e228 100644
--- a/src/test/java/org/torproject/onionoo/server/ResourceServletTest.java
+++ b/src/test/java/org/torproject/onionoo/server/ResourceServletTest.java
@@ -136,29 +136,28 @@ public class ResourceServletTest {
         "000C5F55BD4814B917CC474BD537F1A3B33CCE2A", Arrays.asList(
         new String[] { "62.216.201.221", "62.216.201.222",
             "62.216.201.223" }), DateTimeHelper.parse("2013-04-19 05:00:00"),
-        false, new TreeSet<String>(Arrays.asList(new String[] { "Running",
+        false, new TreeSet<>(Arrays.asList(new String[] { "Running",
             "Valid" })), 20L, "de",
         DateTimeHelper.parse("2013-04-18 05:00:00"), "AS8767",
         "torkaz <klaus dot zufall at gmx dot de> "
-        + "<fb-token:np5_g_83jmf=>", new TreeSet<String>(Arrays.asList(
+        + "<fb-token:np5_g_83jmf=>", new TreeSet<>(Arrays.asList(
         new String[] { "001C13B3A55A71B977CA65EC85539D79C653A3FC",
             "0025C136C1F3A9EEFE2AE3F918F03BFA21B5070B" })),
-        new TreeSet<String>(Arrays.asList(
+        new TreeSet<>(Arrays.asList(
         new String[] { "001C13B3A55A71B977CA65EC85539D79C653A3FC" })));
     org.torproject.onionoo.docs.SummaryDocument relayFerrari458 =
         new org.torproject.onionoo.docs.SummaryDocument(true, "Ferrari458",
         "001C13B3A55A71B977CA65EC85539D79C653A3FC", Arrays.asList(
         new String[] { "68.38.171.200", "[2001:4f8:3:2e::51]" }),
         DateTimeHelper.parse("2013-04-24 12:00:00"), true,
-        new TreeSet<String>(Arrays.asList(new String[] { "Fast", "Named",
+        new TreeSet<>(Arrays.asList(new String[] { "Fast", "Named",
             "Running", "V2Dir", "Valid" })), 1140L, "us",
-        DateTimeHelper.parse("2013-02-12 16:00:00"), "AS7922", null,
+        DateTimeHelper.parse("2013-04-16 18:00:00"), "AS7922", null,
         new TreeSet<String>(Arrays.asList(new String[] {
             "000C5F55BD4814B917CC474BD537F1A3B33CCE2A" })),
-        new TreeSet<String>(Arrays.asList(new String[] {
+        new TreeSet<>(Arrays.asList(new String[] {
             "000C5F55BD4814B917CC474BD537F1A3B33CCE2A" })));
-    this.relays =
-        new TreeMap<String, org.torproject.onionoo.docs.SummaryDocument>();
+    this.relays = new TreeMap<>();
     this.relays.put("000C5F55BD4814B917CC474BD537F1A3B33CCE2A",
         relayTorkaZ);
     this.relays.put("001C13B3A55A71B977CA65EC85539D79C653A3FC",
@@ -168,7 +167,7 @@ public class ResourceServletTest {
         "0025C136C1F3A9EEFE2AE3F918F03BFA21B5070B", Arrays.asList(
         new String[] { "89.69.68.246" }),
         DateTimeHelper.parse("2013-04-22 20:00:00"), false,
-        new TreeSet<String>(Arrays.asList(new String[] { "Fast",
+        new TreeSet<>(Arrays.asList(new String[] { "Fast",
             "Running", "Unnamed", "V2Dir", "Valid" })), 63L, "a1",
         DateTimeHelper.parse("2013-04-16 18:00:00"), "AS6830",
         "1024D/51E2A1C7 steven j. murdoch "
@@ -176,14 +175,13 @@ public class ResourceServletTest {
         new TreeSet<String>(), new TreeSet<String>());
     this.relays.put("0025C136C1F3A9EEFE2AE3F918F03BFA21B5070B",
         relayTimMayTribute);
-    this.bridges =
-        new TreeMap<String, org.torproject.onionoo.docs.SummaryDocument>();
+    this.bridges = new TreeMap<>();
     org.torproject.onionoo.docs.SummaryDocument bridgeec2bridgercc7f31fe =
         new org.torproject.onionoo.docs.SummaryDocument(false,
         "ec2bridgercc7f31fe", "0000831B236DFF73D409AD17B40E2A728A53994F",
         Arrays.asList(new String[] { "10.199.7.176" }),
         DateTimeHelper.parse("2013-04-21 18:07:03"), false,
-        new TreeSet<String>(Arrays.asList(new String[] { "Valid" })), -1L,
+        new TreeSet<>(Arrays.asList(new String[] { "Valid" })), -1L,
         null, DateTimeHelper.parse("2013-04-20 15:37:04"), null, null,
         null, null);
     this.bridges.put("0000831B236DFF73D409AD17B40E2A728A53994F",
@@ -193,7 +191,7 @@ public class ResourceServletTest {
         "0002D9BDBBC230BD9C78FF502A16E0033EF87E0C", Arrays.asList(
         new String[] { "10.0.52.84" }),
         DateTimeHelper.parse("2013-04-20 17:37:04"), false,
-        new TreeSet<String>(Arrays.asList(new String[] { "Valid" })), -1L,
+        new TreeSet<>(Arrays.asList(new String[] { "Valid" })), -1L,
         null, DateTimeHelper.parse("2013-04-14 07:07:05"), null, null,
         null, null);
     this.bridges.put("0002D9BDBBC230BD9C78FF502A16E0033EF87E0C",
@@ -203,7 +201,7 @@ public class ResourceServletTest {
         "1FEDE50ED8DBA1DD9F9165F78C8131E4A44AB756", Arrays.asList(
         new String[] { "10.63.169.98" }),
         DateTimeHelper.parse("2013-04-24 01:07:04"), true,
-        new TreeSet<String>(Arrays.asList(new String[] { "Running",
+        new TreeSet<>(Arrays.asList(new String[] { "Running",
             "Valid" })), -1L, null,
         DateTimeHelper.parse("2013-01-16 21:07:04"), null, null, null,
         null);
diff --git a/src/test/java/org/torproject/onionoo/updater/DummyConsensus.java b/src/test/java/org/torproject/onionoo/updater/DummyConsensus.java
index 54d0161..9745aa4 100644
--- a/src/test/java/org/torproject/onionoo/updater/DummyConsensus.java
+++ b/src/test/java/org/torproject/onionoo/updater/DummyConsensus.java
@@ -74,7 +74,7 @@ public class DummyConsensus implements RelayNetworkStatusConsensus {
     return null;
   }
 
-  private SortedSet<String> knownFlags = new TreeSet<String>();
+  private SortedSet<String> knownFlags = new TreeSet<>();
 
   public void addKnownFlag(String flag) {
     this.knownFlags.add(flag);
diff --git a/src/test/java/org/torproject/onionoo/updater/DummyDescriptorSource.java b/src/test/java/org/torproject/onionoo/updater/DummyDescriptorSource.java
index 990b011..2312ef9 100644
--- a/src/test/java/org/torproject/onionoo/updater/DummyDescriptorSource.java
+++ b/src/test/java/org/torproject/onionoo/updater/DummyDescriptorSource.java
@@ -13,8 +13,7 @@ import java.util.Set;
 
 public class DummyDescriptorSource extends DescriptorSource {
 
-  private Map<DescriptorType, Set<Descriptor>> descriptors =
-      new HashMap<DescriptorType, Set<Descriptor>>();
+  private Map<DescriptorType, Set<Descriptor>> descriptors = new HashMap<>();
 
   /** Fills the given collection with descriptors of the requested type. */
   public void provideDescriptors(DescriptorType descriptorType,
@@ -53,7 +52,7 @@ public class DummyDescriptorSource extends DescriptorSource {
 
   @Override
   public void readDescriptors() {
-    Set<DescriptorType> descriptorTypes = new HashSet<DescriptorType>();
+    Set<DescriptorType> descriptorTypes = new HashSet<>();
     descriptorTypes.addAll(this.descriptorListeners.keySet());
     for (DescriptorType descriptorType : descriptorTypes) {
       boolean relay;
diff --git a/src/test/java/org/torproject/onionoo/updater/DummyStatusEntry.java b/src/test/java/org/torproject/onionoo/updater/DummyStatusEntry.java
index da583b8..9da51fc 100644
--- a/src/test/java/org/torproject/onionoo/updater/DummyStatusEntry.java
+++ b/src/test/java/org/torproject/onionoo/updater/DummyStatusEntry.java
@@ -59,7 +59,7 @@ public class DummyStatusEntry implements NetworkStatusEntry {
     return null;
   }
 
-  private SortedSet<String> flags = new TreeSet<String>();
+  private SortedSet<String> flags = new TreeSet<>();
 
   public void addFlag(String flag) {
     this.flags.add(flag);
diff --git a/src/test/java/org/torproject/onionoo/updater/LookupServiceTest.java b/src/test/java/org/torproject/onionoo/updater/LookupServiceTest.java
index bcd8571..6ffeaf6 100644
--- a/src/test/java/org/torproject/onionoo/updater/LookupServiceTest.java
+++ b/src/test/java/org/torproject/onionoo/updater/LookupServiceTest.java
@@ -32,12 +32,12 @@ public class LookupServiceTest {
 
   private LookupService lookupService;
 
-  private SortedSet<String> addressStrings = new TreeSet<String>();
+  private SortedSet<String> addressStrings = new TreeSet<>();
 
   private SortedMap<String, LookupResult> lookupResults;
 
   private void populateLines() {
-    this.geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    this.geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     this.geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -48,7 +48,7 @@ public class LookupServiceTest {
         + "0,94035,37.3860,-122.0838");
     this.geoLite2CityBlocksIPv4Lines.add("8.8.9.0/24,6252001,6252001,,0,"
         + "0,,38.0000,-97.0000");
-    this.geoLite2CityLocationsEnLines = new ArrayList<String>();
+    this.geoLite2CityLocationsEnLines = new ArrayList<>();
     this.geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -59,7 +59,7 @@ public class LookupServiceTest {
     this.geoLite2CityLocationsEnLines.add("5375480,en,NA,"
         + "\"North America\",US,\"United States\",CA,California,,,"
         + "\"Mountain View\",807,America/Los_Angeles");
-    this.geoipAsNum2Lines = new ArrayList<String>();
+    this.geoipAsNum2Lines = new ArrayList<>();
     this.geoipAsNum2Lines.add("134743296,134744063,\"AS3356 Level 3 "
         + "Communications\"");
     this.geoipAsNum2Lines.add("134744064,134744319,\"AS15169 Google "
@@ -252,7 +252,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupNoCorrespondingLocation() {
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -267,7 +267,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupBlocksStartNotANumber() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -281,7 +281,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupBlocksLocationX() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -294,7 +294,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupBlocksLocationEmpty() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -307,7 +307,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupBlocksTooFewFields() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -320,7 +320,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupBlocksExtraneousField() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -334,7 +334,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupBlocksThreeExtraneousFields() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -348,7 +348,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupLocationLocIdNotANumber() {
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -363,7 +363,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupLocationTooFewFields() {
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -378,7 +378,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupGeoipAsNum2EndBeforeStart() {
-    List<String> geoipAsNum2Lines = new ArrayList<String>();
+    List<String> geoipAsNum2Lines = new ArrayList<>();
     geoipAsNum2Lines.add("134743296,134744063,\"AS3356 Level 3 "
         + "Communications\"");
     geoipAsNum2Lines.add("134744319,134744064,\"AS15169 Google Inc.\"");
@@ -391,7 +391,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupGeoipAsNum2StartNotANumber() {
-    List<String> geoipAsNum2Lines = new ArrayList<String>();
+    List<String> geoipAsNum2Lines = new ArrayList<>();
     geoipAsNum2Lines.add("one,134744319,\"AS15169 Google Inc.\"");
     this.assertLookupResult(null, null, geoipAsNum2Lines, "8.8.8.8", null,
         null, null, null, null, null, null, null);
@@ -399,7 +399,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupGeoipAsNum2StartTooLarge() {
-    List<String> geoipAsNum2Lines = new ArrayList<String>();
+    List<String> geoipAsNum2Lines = new ArrayList<>();
     geoipAsNum2Lines.add("1" + String.valueOf(Long.MAX_VALUE)
         + ",134744319,\"AS15169 Google Inc.\"");
     this.assertLookupResult(null, null, geoipAsNum2Lines, "8.8.8.8", null,
@@ -408,7 +408,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupGeoipAsNum2TooFewFields() {
-    List<String> geoipAsNum2Lines = new ArrayList<String>();
+    List<String> geoipAsNum2Lines = new ArrayList<>();
     geoipAsNum2Lines.add("134744064,134744319");
     this.assertLookupResult(null, null, geoipAsNum2Lines, "8.8.8.8", null,
         null, null, null, null, null, null, null);
@@ -416,7 +416,7 @@ public class LookupServiceTest {
 
   @Test()
   public void testLookupGeoipAsNum2NoAsName() {
-    List<String> geoipAsNum2Lines = new ArrayList<String>();
+    List<String> geoipAsNum2Lines = new ArrayList<>();
     geoipAsNum2Lines.add("134743296,134744063,AS3356");
     geoipAsNum2Lines.add("134744064,134744319,AS15169");
     geoipAsNum2Lines.add("134744320,134750463,AS3356");
@@ -428,7 +428,7 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationTurkey() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
@@ -441,7 +441,7 @@ public class LookupServiceTest {
         + "40.0781,29.5133");
     geoLite2CityBlocksIPv4Lines.add("81.215.1.0/24,749748,298795,,0,0,,"
         + "40.6000,33.6153");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -476,14 +476,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationLatvia() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("78.28.192.0/24,456202,458258,,0,0,,"
         + "56.5000,27.3167");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -499,14 +499,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationAzerbaijan() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("94.20.148.0/24,585170,587116,,0,0,,"
         + "41.1919,47.1706");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -523,14 +523,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationVietnam() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("115.78.92.0/23,1587976,1562822,,0,0,"
         + ",10.2333,106.3833");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -547,14 +547,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationJapan() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("113.154.131.0/24,1848333,1861060,,0,"
         + "0,1012236,35.8000,139.1833");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -571,14 +571,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationDenmark() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("2.110.246.0/24,2625001,2623032,,0,0,"
         + "5970,54.8880,10.4112");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -596,14 +596,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationGermany() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("37.209.30.128/25,2947444,2921044,,0,"
         + "0,,48.6833,9.0167");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -621,14 +621,14 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationPoland() {
-    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<String>();
+    List<String> geoLite2CityBlocksIPv4Lines = new ArrayList<>();
     geoLite2CityBlocksIPv4Lines.add("network,geoname_id,"
         + "registered_country_geoname_id,represented_country_geoname_id,"
         + "is_anonymous_proxy,is_satellite_provider,postal_code,latitude,"
         + "longitude");
     geoLite2CityBlocksIPv4Lines.add("5.185.94.0/24,3099434,798544,,0,0,,"
         + "54.3608,18.6583");
-    List<String> geoLite2CityLocationsEnLines = new ArrayList<String>();
+    List<String> geoLite2CityLocationsEnLines = new ArrayList<>();
     geoLite2CityLocationsEnLines.add("geoname_id,locale_code,"
         + "continent_code,continent_name,country_iso_code,country_name,"
         + "subdivision_1_iso_code,subdivision_1_name,"
@@ -645,7 +645,7 @@ public class LookupServiceTest {
   @Test()
   @SuppressWarnings("AvoidEscapedUnicodeCharacters")
   public void testLookupLocationAsNameNonAscii() {
-    List<String> geoipAsNum2Lines = new ArrayList<String>();
+    List<String> geoipAsNum2Lines = new ArrayList<>();
     geoipAsNum2Lines.add("3207917568,3207919615,\"AS52693 Conectel "
         + "Telecomunica\u00E7\u00F5es e Inform\u00E1tica Ltda ME\"");
     geoipAsNum2Lines.add("3211196416,3211198463,\"AS262934 "





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