[or-cvs] [ernie/master 4/5] Add servlet to return static content generated by ERNIE.

karsten at torproject.org karsten at torproject.org
Wed May 19 17:14:36 UTC 2010


Author: Karsten Loesing <karsten.loesing at gmx.net>
Date: Wed, 19 May 2010 14:59:57 +0200
Subject: Add servlet to return static content generated by ERNIE.
Commit: 314caf945772db84d65bcbd3d92ee0ec9fe75763

---
 etc/web.xml                                        |   40 ++++++++++++++++
 .../ernie/web/ErnieGeneratedFileServlet.java       |   49 ++++++++++++++++++++
 2 files changed, 89 insertions(+), 0 deletions(-)
 create mode 100644 src/org/torproject/ernie/web/ErnieGeneratedFileServlet.java

diff --git a/etc/web.xml b/etc/web.xml
index 885a632..cf9280d 100644
--- a/etc/web.xml
+++ b/etc/web.xml
@@ -42,5 +42,45 @@
     <servlet-name>Consensus</servlet-name>
     <url-pattern>/consensus</url-pattern>
   </servlet-mapping>
+  <servlet>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <servlet-class>org.torproject.ernie.web.ErnieGeneratedFileServlet</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/log.html</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/papers/*</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/reports/*</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/consensus-health.html</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/consensus-health-1.html</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/consensus-health-2.html</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/csv/*</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/graphs/*</url-pattern>
+  </servlet-mapping>
+  <servlet-mapping>
+    <servlet-name>ErnieGeneratedFile</servlet-name>
+    <url-pattern>/data/*</url-pattern>
+  </servlet-mapping>
 </web-app>
 
diff --git a/src/org/torproject/ernie/web/ErnieGeneratedFileServlet.java b/src/org/torproject/ernie/web/ErnieGeneratedFileServlet.java
new file mode 100644
index 0000000..3670eb2
--- /dev/null
+++ b/src/org/torproject/ernie/web/ErnieGeneratedFileServlet.java
@@ -0,0 +1,49 @@
+package org.torproject.ernie.web;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+
+import java.io.*;
+import java.util.*;
+
+public class ErnieGeneratedFileServlet extends HttpServlet {
+
+  public void doGet(HttpServletRequest request,
+      HttpServletResponse response) throws IOException,
+      ServletException {
+
+    /* Read file from disk and write it to response. */
+    String fn = "/srv/metrics.torproject.org/ernie/website"
+        + request.getRequestURI();
+    BufferedInputStream input = null;
+    BufferedOutputStream output = null;
+    try {
+      File f = new File(fn);
+      if (!f.exists()) {
+        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+        return;
+      }
+      response.setContentType(this.getServletContext().getMimeType(f.getName()));
+      response.setHeader("Content-Length", String.valueOf(
+          f.length()));
+      response.setHeader("Content-Disposition",
+          "inline; filename=\"" + f.getName() + "\"");
+      input = new BufferedInputStream(new FileInputStream(f),
+          1024);
+      output = new BufferedOutputStream(response.getOutputStream(), 1024);
+      byte[] buffer = new byte[1024];
+      int length;
+      while ((length = input.read(buffer)) > 0) {
+          output.write(buffer, 0, length);
+      }
+    } finally {
+      if (output != null) {
+        output.close();
+      }
+      if (input != null) {
+        input.close();
+      }
+    }
+  }
+}
+
-- 
1.6.5




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