1 files changed, 86 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/DefaultResourceServlet.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultResourceServlet.java
new file mode 100644
index 0000000000..3de0b9f5a7
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-http/src/main/java/org/apache/tuscany/sca/host/http/DefaultResourceServlet.java
@@ -0,0 +1,86 @@
+/*
+ * 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.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLDecoder;
+
+import javax.servlet.Servlet;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * A minimal implementation of a Servlet that serves documents in a document root
+ * directory.
+ * 
+ * A Servlet host implementation is not required to use this implementation and can map
+ * the URI and document root to a more complete and more efficient implementation of  
+ * a resource Servlet, for example the Tomcat or Jetty default Servlets.
+ *
+ * @version $Rev$ $Date$
+ */
+public class DefaultResourceServlet extends HttpServlet implements Servlet {
+    private static final long serialVersionUID = 2865466417329430610L;
+    
+    private String documentRoot;
+    
+    /**
+     * Constructs a new ResourceServlet
+     * @param documentRoot the document root
+     */
+    public DefaultResourceServlet(String documentRoot) {
+        this.documentRoot = documentRoot;
+    }
+    
+    /**
+     * Returns the document root.
+     * @return the document root
+     */
+    public String getDocumentRoot() {
+        return documentRoot;
+    }
+
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        
+        // Determine the resource path
+        String path = URLDecoder.decode(request.getRequestURI().substring(request.getServletPath().length()), "UTF-8");
+        if (path.startsWith("/")) {
+            path = path.substring(1);
+        }
+        URL url = new URL(documentRoot + '/' + path);
+        
+        // Write the resource
+        InputStream is = url.openStream();
+        OutputStream os = response.getOutputStream(); 
+        byte[] buffer = new byte[2048];
+        for (;;) {
+            int n = is.read(buffer);
+            if (n <= 0)
+                break;
+            os.write(buffer, 0, n);
+        }
+    }
+}