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
---
 .../binding/jsonrpc/ScaDomainScriptServlet.java    | 112 +++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 sca-java-1.x/tags/1.0.1/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java

(limited to 'sca-java-1.x/tags/1.0.1/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java')

diff --git a/sca-java-1.x/tags/1.0.1/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java b/sca-java-1.x/tags/1.0.1/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java
new file mode 100644
index 0000000000..262a1adae3
--- /dev/null
+++ b/sca-java-1.x/tags/1.0.1/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java
@@ -0,0 +1,112 @@
+/*
+ * 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.binding.jsonrpc;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+/**
+ * Servlet to handle requests for the scaDomain.js script.
+ * 
+ * This script wrappers the JSON-RPC-Java jsonrpc.js script
+ * adding in at the bottom the JavaScript to create and initialize
+ * the variables representing the SCA services.
+ */
+public class ScaDomainScriptServlet extends HttpServlet {
+    private static final long serialVersionUID = 1L;
+
+    protected transient List<String> serviceNames;
+
+    public ScaDomainScriptServlet() {
+        serviceNames = new ArrayList<String>();
+    }
+
+    @Override
+    public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
+
+        ServletOutputStream os = response.getOutputStream();
+
+        os.println();
+        os.println("/* Apache Tuscany scaDomain.js Header */");
+        os.println();
+
+        writeJSONRPCJavaScript(os);
+        writeScaDomainCode(os, request.getServletPath());
+    }
+
+    /**
+     * Creates a JavaScript variable within the scaDomain script for each SCA service and
+     * initializes its value with the JSON-RPC client to invoke the serverside service.
+     */
+    protected void writeScaDomainCode(ServletOutputStream out, String path) throws IOException {
+        out.println();
+        out.println("/* Apache Tuscany scaDomain.js Footer  */");
+        out.println();
+        out.println("function scaDomain() {}");
+
+        // remove the leading slash '/' character
+        path = path.substring(1);
+
+        for (String serviceName : serviceNames) {
+            out.println();
+
+            // A slight hack to make the service function available with a variable named 'serviceName'
+            // to do that the JSONRpcClient is added to the scaDomain and then the service function is got from that
+            out.println("scaDomain." + serviceName + " = " + "new JSONRpcClient(\"" + serviceName + "\");");
+            out.println(serviceName + " = scaDomain." + serviceName + "." + serviceName + ";");
+        }
+
+        out.println();
+        out.println("/** End of Apache Tuscany scaDomain.js */");
+        out.println();
+    }
+
+    /**
+     * Reads the jsonrpc.js script from the classpath and adds its contents to the output stream.
+     */
+    protected void writeJSONRPCJavaScript(ServletOutputStream os) throws IOException {
+        URL url = getClass().getResource("jsonrpc.js");
+        InputStream is = url.openStream();
+        int i;
+        while ((i = is.read()) != -1) {
+            os.write(i);
+        }
+    }
+
+    public void addService(String serviceName) {
+        serviceNames.add(serviceName);
+    }
+
+    public void removeService(String serviceName) {
+        serviceNames.remove(serviceName);
+    }
+
+    public List<String> getServiceNames() {
+        return serviceNames;
+    }
+
+}
-- 
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