1 files changed, 140 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java
new file mode 100644
index 0000000000..107b6b3d5f
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/ExtensibleServletHost.java
@@ -0,0 +1,140 @@
+/*
+ * 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.http;
+
+import java.net.URL;
+import java.util.List;
+
+import javax.servlet.RequestDispatcher;
+import javax.servlet.Servlet;
+import javax.servlet.ServletContext;
+
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+
+/**
+ * Default implementation of an extensible Servlet host.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ExtensibleServletHost implements ServletHost {
+    
+    private ServletHostExtensionPoint servletHosts;
+
+    public ExtensibleServletHost(ExtensionPointRegistry registry) {
+        this.servletHosts = registry.getExtensionPoint(ServletHostExtensionPoint.class);
+    }
+    
+    public static ExtensibleServletHost getInstance(ExtensionPointRegistry registry) {
+        UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class);
+        return utilityExtensionPoint.getUtility(ExtensibleServletHost.class);
+    }
+
+    public ExtensibleServletHost(ServletHostExtensionPoint servletHosts) {
+        this.servletHosts = servletHosts;
+    }
+    
+    public void setDefaultPort(int port) {
+        for (ServletHost servletHost: servletHosts.getServletHosts()) {
+            servletHost.setDefaultPort(port);
+        }
+    }
+    
+    public ServletHost getDefaultServletHost() {
+        List<ServletHost> hosts = servletHosts.getServletHosts();
+        if (hosts.isEmpty()) {
+            throw new ServletMappingException("No servlet host is available.");
+        }
+        if (servletHosts.isWebApp()) {
+            for (ServletHost servletHost : hosts) {
+                if (!"webapp".equals(servletHost.getName())) {
+                    continue;
+                }
+                if (servletHost instanceof DefaultServletHostExtensionPoint.LazyServletHost) {
+                    return ((DefaultServletHostExtensionPoint.LazyServletHost)servletHost).getServletHost();
+                } else {
+                    return servletHost;
+                }
+            }
+        }
+        return hosts.get(0);
+    }
+    
+    public int getDefaultPort() {
+        return getDefaultServletHost().getDefaultPort();
+    }
+
+    public String addServletMapping(String uri, Servlet servlet) throws ServletMappingException {
+        // TODO implement selection of the correct Servlet host based on the mapping
+        // For now just select the first one
+        return getDefaultServletHost().addServletMapping(uri, servlet);
+    }
+    
+    public String addServletMapping(String uri, Servlet servlet, SecurityContext securityContext) throws ServletMappingException {
+        // TODO implement selection of the correct Servlet host based on the mapping
+        // For now just select the first one
+        return getDefaultServletHost().addServletMapping(uri, servlet, securityContext);
+    }    
+
+    public Servlet getServletMapping(String uri) throws ServletMappingException {
+        // TODO implement selection of the correct Servlet host based on the mapping
+        // For now just select the first one
+        return getDefaultServletHost().getServletMapping(uri);
+    }
+    
+    public Servlet removeServletMapping(String uri) throws ServletMappingException {
+        // TODO implement selection of the correct Servlet host based on the mapping
+        // For now just select the first one
+        return getDefaultServletHost().removeServletMapping(uri);
+    }
+    
+    public RequestDispatcher getRequestDispatcher(String uri) throws ServletMappingException {
+        // TODO implement selection of the correct Servlet host based on the mapping
+        // For now just select the first one
+        return getDefaultServletHost().getRequestDispatcher(uri);
+    }
+
+    public String getContextPath() {
+        // TODO implement selection of the correct Servlet host based on the mapping
+        // For now just select the first one
+        return getDefaultServletHost().getContextPath();
+    }
+    
+    public URL getURLMapping(String uri, SecurityContext securityContext) {
+        return getDefaultServletHost().getURLMapping(uri, securityContext);
+    }
+
+    public void setContextPath(String path) {
+        getDefaultServletHost().setContextPath(path);
+    }
+
+    public void setAttribute(String name, Object value) {
+        getDefaultServletHost().setAttribute(name, value);
+    }
+    
+    public String getName() {
+        return getDefaultServletHost().getName();
+    }
+
+    @Override
+    public ServletContext getServletContext() {
+        return getDefaultServletHost().getServletContext();
+    }
+}