diff options
Diffstat (limited to 'branches/sca-android-r643746/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java')
-rw-r--r-- | branches/sca-android-r643746/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/branches/sca-android-r643746/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java b/branches/sca-android-r643746/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java new file mode 100644 index 0000000000..4110e7e9d3 --- /dev/null +++ b/branches/sca-android-r643746/modules/binding-jsonrpc/src/main/java/org/apache/tuscany/sca/binding/jsonrpc/ScaDomainScriptServlet.java @@ -0,0 +1,114 @@ +/*
+ * 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.
+ *
+ * @version $Rev: 589490 $ $Date: 2007-10-28 20:37:49 -0800 (Sun, 28 Oct 2007) $
+ */
+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 + ".Service;");
+ }
+
+ 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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