From a7c1a39d8c3c4ef4d5878dbff726085082a17e8a Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 11 Nov 2009 23:09:31 +0000
Subject: Moving 2.x branches

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835136 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/host/webapp/TuscanyServletFilter.java      | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 sca-java-2.x/branches/sca-java-2.0-M3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java

(limited to 'sca-java-2.x/branches/sca-java-2.0-M3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java')

diff --git a/sca-java-2.x/branches/sca-java-2.0-M3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/sca-java-2.x/branches/sca-java-2.0-M3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java
new file mode 100644
index 0000000000..359817e024
--- /dev/null
+++ b/sca-java-2.x/branches/sca-java-2.0-M3/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java
@@ -0,0 +1,85 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.apache.tuscany.sca.host.webapp;
+
+import java.io.IOException;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterConfig;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+
+import org.apache.tuscany.sca.host.http.ServletHost;
+
+
+/**
+ * A Servlet filter that forwards service requests to the Servlets registered with
+ * the Tuscany ServletHost.
+ *
+ * @version $Rev$ $Date$
+ */
+public class TuscanyServletFilter implements Filter {
+    private static final long serialVersionUID = 1L;
+    
+    private transient ServletContext context;
+    private transient ServletHost servletHost;
+
+    public void init(final FilterConfig config) throws ServletException {
+        context = config.getServletContext();
+        servletHost = ServletHostHelper.init(context);
+    }
+
+    public void destroy() {
+        ServletHostHelper.stop(context);
+    }
+
+    public void doFilter(ServletRequest request, ServletResponse response, javax.servlet.FilterChain chain)
+        throws IOException, ServletException {
+
+        // Get the Servlet path
+        HttpServletRequest httpRequest = (HttpServletRequest)request;
+        String path = httpRequest.getPathInfo();
+        if (path == null) {
+            path = httpRequest.getServletPath();
+        }
+        if (path == null) {
+            path = "/";
+        }
+
+        // Get a request dispatcher for the Servlet mapped to that path
+        RequestDispatcher dispatcher = servletHost.getRequestDispatcher(path);
+        if (dispatcher != null) {
+
+            // Let the dispatcher forward the request to the Servlet 
+            dispatcher.forward(request, response);
+
+        } else {
+
+            // Proceed down the filter chain
+            chain.doFilter(request, response);
+
+        }
+    }
+
+}
-- 
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