1 files changed, 97 insertions, 0 deletions
diff --git a/sandbox/axis2-1.4/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java b/sandbox/axis2-1.4/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java
new file mode 100644
index 0000000000..3b104d7c93
--- /dev/null
+++ b/sandbox/axis2-1.4/modules/implementation-web/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.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.implementation.web;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.tuscany.sca.assembly.ComponentReference;
+
+/**
+ * Servlet that handles the GET request for the componentContext.js script
+ * 
+ * The script is generated by calling ScriptProcessors to output the code 
+ * for the SCA references, properties etc.
+ */
+public class ComponentContextServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    protected static final String HEADER = "/** --- Apache Tuscany componentContext.js --- */\n";
+    protected static final String FOOTER = "/** --- Apache Tuscany componentContext.js EOF --- */\n";
+
+    public static final String COMPONENT_CONTEXT_SCRIPT_URI = "org.apache.tuscany.sca.componentContext.js";
+
+    @Override
+    public void doGet(HttpServletRequest req, HttpServletResponse response) throws IOException  {
+        response.setContentType("text/plain;charset=utf-8");
+        OutputStream out = response.getOutputStream();
+
+        doScriptInit(out);
+
+        doScriptReferences(out);
+
+        out.write(FOOTER.getBytes("UTF-8"));
+
+        out.flush();
+        out.close();
+    }
+
+    /**
+     * Calls each ContextScriptProcessor once to insert any required initilization code into componentContext.js  
+     */
+    protected void doScriptInit(OutputStream out) throws IOException, UnsupportedEncodingException {
+        out.write(HEADER.getBytes("UTF-8"));
+
+        for (ContextScriptProcessor csp : WebSingleton.INSTANCE.getContextScriptProcessors()) {
+            csp.scriptInit(out);
+        }
+    }
+
+    /**
+     * Calls each ContextScriptProcessor for each SCA reference to insert code for the reference into componentContext.js  
+     */
+    protected void doScriptReferences(OutputStream out) throws IOException, UnsupportedEncodingException {
+
+        out.write("// SCA References\n".getBytes("UTF-8"));
+        
+        for (ComponentReference cr : WebSingleton.INSTANCE.getRuntimeComponent().getReferences()) {
+            String ref = "// SCA Reference " + cr.getName() + "\n";
+            out.write(ref.getBytes("UTF-8"));
+            for (ContextScriptProcessor csp : WebSingleton.INSTANCE.getContextScriptProcessors()) {
+                csp.scriptReference(cr, out);
+            }
+        }
+
+        out.write("\n// SCA References end.\n".getBytes("UTF-8"));
+    }
+
+    /**
+     * Calls each ContextScriptProcessor for each SCA property to insert code for the property into componentContext.js  
+     */
+    protected void doScriptProperties(OutputStream out) throws IOException, UnsupportedEncodingException {
+        // TODO: support properties
+    }
+
+}