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authorclemenso <clemenso@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2009-04-03 15:04:26 +0000
committerclemenso <clemenso@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>2009-04-03 15:04:26 +0000
commit78728a96af022bae87e4d0d11855f420736d87b7 (patch)
treeee855aba3e8bbc988f72c361406c2c0013f8030a /BKUOnline/src/main/java/at/gv
parent2dbf2347bc78fd835c857ad438514fb6251f6f7a (diff)
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applet dispatcher (prevent applet caching)
git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@326 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
Diffstat (limited to 'BKUOnline/src/main/java/at/gv')
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AppletDispatcher.java111
-rw-r--r--BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java2
2 files changed, 112 insertions, 1 deletions
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AppletDispatcher.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AppletDispatcher.java
new file mode 100644
index 00000000..26349f7c
--- /dev/null
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/AppletDispatcher.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2008 Federal Chancellery Austria and
+ * Graz University of Technology
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package at.gv.egiz.bku.online.webapp;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * prevent applet caching,
+ * could be removed once applet is loaded via jnlp
+ *
+ * @author Clemens Orthacker <clemens.orthacker@iaik.tugraz.at>
+ */
+public class AppletDispatcher extends HttpServlet {
+
+ protected final static Log log = LogFactory.getLog(AppletDispatcher.class);
+
+ public static final String DISPATCH_CTX = "dispatch/";
+ public static final String RAND_PREFIX = "__";
+ public static final String RAND_ATTRIBUTE = "rand";
+ public static final Pattern ctxPattern = Pattern.compile(DISPATCH_CTX);
+ public static final Pattern archivePattern = Pattern.compile(RAND_PREFIX + "[a-zA-Z0-9]*\\.jar$");
+
+ /**
+ * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
+ * @param request servlet request
+ * @param response servlet response
+ * @throws ServletException if a servlet-specific error occurs
+ * @throws IOException if an I/O error occurs
+ */
+ protected void processRequest(HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+
+// String suffix = (String) request.getSession().getAttribute(RAND_CTX_ATTRIBUTE);
+// log.trace("expecting random suffix " + suffix);
+
+ String uri = request.getRequestURI();
+ uri = ctxPattern.matcher(uri).replaceAll("");
+// uri = uri.replaceAll(suffix, ""); //only the applet jar requests contains the randCtx
+ uri = archivePattern.matcher(uri).replaceAll(".jar");
+
+ if (log.isTraceEnabled()) {
+ log.trace("dispatching request URI " + request.getRequestURI() +
+ " to " + uri);
+ }
+
+ RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(uri);
+ dispatcher.forward(request, response);
+ }
+
+ // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
+ /**
+ * Handles the HTTP <code>GET</code> method.
+ * @param request servlet request
+ * @param response servlet response
+ * @throws ServletException if a servlet-specific error occurs
+ * @throws IOException if an I/O error occurs
+ */
+ @Override
+ protected void doGet(HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+ processRequest(request, response);
+ }
+
+ /**
+ * Handles the HTTP <code>POST</code> method.
+ * @param request servlet request
+ * @param response servlet response
+ * @throws ServletException if a servlet-specific error occurs
+ * @throws IOException if an I/O error occurs
+ */
+ @Override
+ protected void doPost(HttpServletRequest request, HttpServletResponse response)
+ throws ServletException, IOException {
+ processRequest(request, response);
+ }
+
+ /**
+ * Returns a short description of the servlet.
+ * @return a String containing servlet description
+ */
+ @Override
+ public String getServletInfo() {
+ return "Short description";
+ }// </editor-fold>
+
+}
diff --git a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java
index 68a57fb5..1d0cb7e9 100644
--- a/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java
+++ b/BKUOnline/src/main/java/at/gv/egiz/bku/online/webapp/BKURequestHandler.java
@@ -51,7 +51,7 @@ public class BKURequestHandler extends SpringBKUServlet {
private static final long serialVersionUID = 1L;
- public final static String REDIRECT_URL_SESSION_ATTRIBUTE="redirectUrl";
+ public final static String REDIRECT_URL_SESSION_ATTRIBUTE = "redirectUrl";
protected Log log = LogFactory.getLog(BKURequestHandler.class);