1 files changed, 100 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.91/modules/host-webapp/src/main/java/org/apache/tuscany/sca/webapp/WebAppServletHost.java b/sca-java-1.x/branches/sca-java-0.91/modules/host-webapp/src/main/java/org/apache/tuscany/sca/webapp/WebAppServletHost.java
new file mode 100644
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+++ b/sca-java-1.x/branches/sca-java-0.91/modules/host-webapp/src/main/java/org/apache/tuscany/sca/webapp/WebAppServletHost.java
@@ -0,0 +1,100 @@
+/*
+ * 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.webapp;
+
+import java.net.URI;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletException;
+
+import org.apache.tuscany.sca.http.DefaultResourceServlet;
+import org.apache.tuscany.sca.http.ServletHost;
+import org.apache.tuscany.sca.http.ServletMappingException;
+
+/**
+ * ServletHost impl singleton thats shared between the SCADomain
+ * instance and the TuscanyServlet instance.
+ * TODO: using a static singleton seems a big hack but how 
+ *       should it be shared? Need some way for TuscanyServlet
+ *       to pull it out of the SCADomain instance.
+ *       
+ */
+public class WebAppServletHost implements ServletHost {
+
+    private static WebAppServletHost instance = new WebAppServletHost();
+
+    private Map<String, Servlet> servlets;
+
+    private WebAppServletHost() {
+        servlets = new HashMap<String, Servlet>();
+    }
+
+    public void addServletMapping(String path, Servlet servlet) throws ServletMappingException {
+        URI pathURI = URI.create(path);
+        
+        // Ignore registrations of our default resource servlet, as resources
+        // are already served by the web container
+        if (servlet instanceof DefaultResourceServlet) {
+            //TODO maybe ignore registration of the servlet only if it's
+            // mapped to "/" and still honor other registrations, to do this
+            // we will need a way to determine what's the default servlet
+            // in the web container that we are running in.
+            return;
+        }
+            
+        // For webapps just use the path and ignore the host and port
+        servlets.put(pathURI.getPath(), servlet);
+    }
+
+    public Servlet removeServletMapping(String path) throws ServletMappingException {
+        URI pathURI = URI.create(path);
+        // for webapps just use the path and ignore the host and port
+        return servlets.remove(pathURI.getPath());
+    }
+
+    public Servlet getServlet(String path) {
+        Servlet servlet = servlets.get(path);
+        if (servlet != null) {
+            return servlet;
+        }
+        for (String servletPath : servlets.keySet()) {
+            if (servletPath.endsWith("*")) {
+                if (path.startsWith(servletPath.substring(0, servletPath.length()-1))) { 
+                    return servlets.get(servletPath);
+                }
+            }
+        }
+        return null;
+    }
+
+    public static WebAppServletHost getInstance() {
+        return instance;
+    }
+    
+    public void init(ServletConfig config) throws ServletException {
+        for (Servlet servlet : servlets.values()) {
+            servlet.init(config);
+        }
+    }
+
+}