From a40e527938d76ba71f211da7e327adb50384ba69 Mon Sep 17 00:00:00 2001
From: lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68>
Date: Wed, 11 Nov 2009 23:26:33 +0000
Subject: Moving 1.x tags

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835157 13f79535-47bb-0310-9956-ffa450edef68
---
 .../sca/host/webapp/TuscanyServletFilter.java      | 97 ++++++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 sca-java-1.x/tags/1.1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java

(limited to 'sca-java-1.x/tags/1.1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java')

diff --git a/sca-java-1.x/tags/1.1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java b/sca-java-1.x/tags/1.1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java
new file mode 100644
index 0000000000..f4e33c954f
--- /dev/null
+++ b/sca-java-1.x/tags/1.1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServletFilter.java
@@ -0,0 +1,97 @@
+/*
+ * 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 java.util.Enumeration;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterConfig;
+import javax.servlet.RequestDispatcher;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+
+/**
+ * A servlet filter that forwards service requests to the servlets registered with
+ * the Tuscany ServletHost.
+ */
+public class TuscanyServletFilter implements Filter {
+    private static final long serialVersionUID = 1L;
+    //private static final Logger logger = Logger.getLogger(WebAppServletHost.class.getName());
+
+    private WebAppServletHost servletHost;
+
+    public void init(final FilterConfig config) throws ServletException {
+
+        // TODO: must be a better way to get this than using a static
+        servletHost = WebAppServletHost.getInstance();
+        
+        // Initialize the servlet host
+        servletHost.init(new ServletConfig() {
+            public String getInitParameter(String name) {
+                return config.getInitParameter(name);
+            }
+            public Enumeration getInitParameterNames() {
+                return config.getInitParameterNames();
+            }
+            public ServletContext getServletContext() {
+                return config.getServletContext();
+            }
+            public String getServletName() {
+                return config.getFilterName();
+            }
+        });
+    }
+    
+    public void destroy() {
+        WebAppServletHost.getInstance().destroy();
+    }
+
+    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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