Help update: Show specific 404 pages

 * Locale-dependent
 * 404h.html if page not found was a help page
 * 404.html else


git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@956 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4

3 files changed, 177 insertions, 13 deletions

diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java
index 216c6228..07c5d792 100644
--- a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Container.java
@@ -41,6 +41,8 @@ import java.security.AllPermission;
 import java.security.KeyStore;

 import java.security.Permissions;

 import java.security.cert.Certificate;

+import java.util.Locale;
+
 import org.mortbay.jetty.Connector;

 import org.mortbay.jetty.Server;

 import org.mortbay.jetty.nio.SelectChannelConnector;

@@ -66,8 +68,17 @@ public class Container {
     }

   }

   private Server server;

-  private WebAppContext webapp;

-  private Certificate caCertificate;

+  private WebAppContext webapp;
+  private WebappErrorHandler errorHandler;

+  private Certificate caCertificate;
+  private File tempDir;
+
+  private Locale locale = null;
+
+  public void init(Locale locale) throws IOException {
+    this.locale = locale;
+    init();
+  }
 

   public void init() throws IOException {

 //    System.setProperty("DEBUG", "true");

@@ -103,7 +114,7 @@ public class Container {
     sslConnector.setKeyPassword(passwd);

 

     //avoid jetty's ClassCastException: iaik.security.ecc.ecdsa.ECPublicKey cannot be cast to java.security.interfaces.ECPublicKey

-    String[] RFC4492CipherSuites = new String[]{

+    String[] RFC4492CipherSuites = new String[] {

       "TLS_ECDH_ECDSA_WITH_NULL_SHA",

       "TLS_ECDH_ECDSA_WITH_RC4_128_SHA",

       "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA",

@@ -139,10 +150,14 @@ public class Container {
     webapp.setLogUrlOnStart(true);

     webapp.setContextPath("/");

     webapp.setExtractWAR(true);

-    webapp.setParentLoaderPriority(false);

-

-    webapp.setWar(copyWebapp(webapp.getTempDirectory()));

-//    webapp.setPermissions(getPermissions(webapp.getTempDirectory()));

+    webapp.setParentLoaderPriority(false);
+
+    errorHandler = new WebappErrorHandler(locale);
+    webapp.setErrorHandler(errorHandler);

+
+    tempDir = webapp.getTempDirectory();

+    webapp.setWar(copyWebapp(tempDir));

+//    webapp.setPermissions(getPermissions(tempDir));

 

     server.setHandler(webapp);

     server.setGracefulShutdown(1000 * 3);

@@ -186,7 +201,70 @@ public class Container {
     new StreamCopier(is, os).copyStream();

     os.close();

     return webapp.getPath();

-  }

+  }
+
+//	private boolean deleteRecursive(File f)
+//	{
+//		if (f.isDirectory())
+//		{
+//			String[] children = f.list();
+//			for (String child : children) {
+//				if (!deleteRecursive(new File(f, child)))
+//					return false;
+//			}
+//		}
+//		return f.delete();
+//	}
+//
+//	private void deleteOnExitRecursive(File f)
+//	{
+//		if (f.isDirectory())
+//		{
+//			String[] children = f.list();
+//			for (String child : children)
+//				deleteOnExitRecursive(new File(f, child));
+//		}
+//		f.deleteOnExit();
+//	}
+//
+//  /**
+//   * Workaround for Jetty problem where temporary directory
+//   * doesn't get deleted under Windows due to locking issues.
+//   * 
+//   * @param tempDir Temporary directory to delete
+//   */
+//  private void deleteTempDir(final File tempDir) {
+//    try {
+//      if (tempDir.exists()) {
+//        log.debug("Temp directory still exists - trying to delete");
+//        if (!deleteRecursive(tempDir))
+//        {
+//          log.debug("Deleting temp directory failed - adding shutdown hook");
+//          Runtime.getRuntime().addShutdownHook(
+//            new Thread() {
+//              public void run() {
+//                log.debug("Shutdown hook executing");
+//                if (tempDir.exists()) {
+//                  log.debug("Temp directory still exists - trying to delete");
+//                  if (!deleteRecursive(tempDir))
+//                  {
+//                    log.debug("Deleting temp directory failed");
+//                    deleteOnExitRecursive(tempDir);
+//                  }
+//                  else
+//                    log.debug("Successfully deleted temp directory");
+//                }
+//              }
+//            }
+//          );
+//        }
+//        else
+//          log.debug("Successfully deleted temp directory");
+//      }
+//    } catch (SecurityException ex) {
+//      log.debug("Temp directory access failed", ex);
+//    }
+//  }

 

   /**

    * grant all permissions, since we need read/write access to save signature data files anywhere (JFileChooser) in the local filesystem

@@ -221,13 +299,19 @@ public class Container {
     return server.isRunning();

   }

 

-  public void stop() throws Exception {

-    server.stop();

+  public void stop() throws Exception {
+//    log.debug("Container: stop called");
+    server.stop();
+
+//    deleteTempDir(tempDir);
   }

 

   public void destroy() {

+//    log.debug("Container: destroy called");
     server.destroy();

-  }

+
+//    deleteTempDir(tempDir);
+}

 

   public void join() throws InterruptedException {

     server.join();

@@ -248,5 +332,5 @@ public class Container {
       log.error("Failed to load local ca certificate", ex);

       log.warn("automated web certificate installation will not be available");

     }

-  }

+  }
 }

diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Launcher.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Launcher.java
index 95d76a4a..f9500f8c 100644
--- a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Launcher.java
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/Launcher.java
@@ -201,7 +201,7 @@ public class Launcher implements BKUControllerInterface {
 	private void startServer() throws Exception {
 		log.info("init servlet container and MOCCA webapp");
 		server = new Container();
-		server.init();
+		server.init(status.getLocale());
 		server.start();
 	}
 
diff --git a/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/WebappErrorHandler.java b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/WebappErrorHandler.java
new file mode 100644
index 00000000..c11f5345
--- /dev/null
+++ b/BKUWebStart/src/main/java/at/gv/egiz/bku/webstart/WebappErrorHandler.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2011 by Graz University of Technology, Austria
+ * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
+ * initiative of the Federal Chancellery Austria and Graz University of Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+
+package at.gv.egiz.bku.webstart;
+
+import java.io.IOException;
+import java.util.Locale;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.mortbay.jetty.HttpConnection;
+import org.mortbay.jetty.HttpMethods;
+import org.mortbay.jetty.servlet.ErrorPageErrorHandler;
+import org.mortbay.jetty.servlet.ServletHandler;
+
+/**
+ * @author tkellner_local
+ *
+ */
+public class WebappErrorHandler extends ErrorPageErrorHandler {
+	private String link404, link404help;
+
+	public WebappErrorHandler(Locale locale) {
+		super();
+
+		link404 = "/help/404.html";
+		link404help = "/help/404h.html";
+		if (locale != null)
+		{
+			String language = locale.getLanguage();
+			if (!language.isEmpty())
+			{
+				link404 = "/help/" + language + "/404.html";
+				link404help = "/help/" + language + "/404h.html";
+			}
+		}
+	}
+
+	@Override
+	public void handle(String target, HttpServletRequest request,
+			HttpServletResponse response, int dispatch) throws IOException {
+		String method = request.getMethod();
+		if(!method.equals(HttpMethods.GET) && !method.equals(HttpMethods.POST))
+		{
+			HttpConnection.getCurrentConnection().getRequest().setHandled(true);
+			return;
+		}
+
+		Integer code=(Integer)request.getAttribute(ServletHandler.__J_S_ERROR_STATUS_CODE);
+		if (code.equals(404))
+		{
+			HttpConnection.getCurrentConnection().getRequest().setHandled(true);
+			response.sendRedirect(request.getRequestURI().startsWith("/help") ? link404help : link404);
+			return;
+		}
+
+		super.handle(target, request, response, dispatch);
+	}
+}