diff options
author | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:07:28 +0000 |
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committer | lresende <lresende@13f79535-47bb-0310-9956-ffa450edef68> | 2009-11-11 23:07:28 +0000 |
commit | 07b7dfd1a70ba222b899d9813f8c449dbf3b785f (patch) | |
tree | ecfc876747e6cfedee0a8533d87c19ac78a2dbd0 /sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetComponentServlet.java | |
parent | 6fadbc9cd1fcf03d0b3630f772d91df149b70428 (diff) |
Moving 1.x branches
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835124 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetComponentServlet.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetComponentServlet.java | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetComponentServlet.java b/sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetComponentServlet.java new file mode 100644 index 0000000000..19a186ea8a --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.1/modules/implementation-widget/src/main/java/org/apache/tuscany/sca/implementation/widget/WidgetComponentServlet.java @@ -0,0 +1,149 @@ +/* + * 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.widget; + +import java.io.IOException; +import java.io.InputStream; +import java.net.URI; +import java.net.URL; + +import javax.servlet.ServletOutputStream; +import javax.servlet.http.HttpServlet; +import javax.servlet.http.HttpServletRequest; +import javax.servlet.http.HttpServletResponse; + +import org.apache.tuscany.sca.assembly.Binding; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.OptimizableBinding; +import org.apache.tuscany.sca.runtime.RuntimeComponent; + +/** + * Servlet to handle requests for .. + * + * @version $Rev$ $Date$ + */ +public class WidgetComponentServlet extends HttpServlet { + private static final long serialVersionUID = -2996033426789721509L; + + private transient RuntimeComponent component; + private transient URI servletURI; + + public WidgetComponentServlet(RuntimeComponent component, String servletURI) { + this.component = component; + this.servletURI = URI.create(servletURI); + } + + @Override + public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException { + + ServletOutputStream os = response.getOutputStream(); + + os.println(); + os.println("/* Apache Tuscany - SCA Web Widget */"); + os.println(); + + writeSCAWidgetCode(os, request.getServletPath()); + } + + /** + */ + private void writeSCAWidgetCode(ServletOutputStream out, String path) throws IOException { + out.println(); + out.println("/* Apache Tuscany SCA Widget header */"); + out.println(); + + // remove the leading slash '/' character + path = path.substring(1); + + for(ComponentReference reference : component.getReferences()) { + for(Binding binding : reference.getBindings()) { + String bindingProxyName = WidgetProxyHelper.getJavaScriptProxyFile(binding.getClass().getName()); + if(bindingProxyName != null) { + writeJavaScriptBindingProxy(out,bindingProxyName); + } + } + } + + writeJavaScriptReferenceFunction(out); + + + out.println(); + out.println("/** End of Apache Tuscany SCA Widget */"); + out.println(); + } + + /** + * Retrieve the binding proxy based on the bind name + * and embedded the javascript into this js + */ + private void writeJavaScriptBindingProxy(ServletOutputStream os, String bindingProxyName) throws IOException { + + URL url = getClass().getClassLoader().getResource(bindingProxyName); //Thread.currentThread().getContextClassLoader().getResource(bindingProxyName); + InputStream is = url.openStream(); + int i; + while ((i = is.read()) != -1) { + os.write(i); + } + os.println(); + os.println(); + } + + private void writeJavaScriptReferenceFunction (ServletOutputStream os) throws IOException { + + os.println("var referenceMap = new Object();"); + for(ComponentReference reference : component.getReferences()) { + String referenceName = reference.getName(); + Binding binding = reference.getBindings().get(0); + if (binding != null) { + + String proxyClient = WidgetProxyHelper.getJavaScriptProxyClient(binding.getClass().getName()); + if(proxyClient != null) { + + //FIXME Eventually the binding URI should be initialized from the SCA domain + // for now point to the target binding model directly, assuming that it's available + // in the same node + String targetURI = null; + if (binding instanceof OptimizableBinding) { + Binding targetBinding = ((OptimizableBinding)binding).getTargetBinding(); + if (targetBinding != null) { + targetURI = URI.create(targetBinding.getURI()).getPath(); + } + } + if (targetURI == null) { + targetURI = URI.create(binding.getURI()).getPath(); + if (!targetURI.startsWith("/")) { + targetURI = "/" + targetURI; + } + } + + if(proxyClient.equals("JSONRpcClient")) { + os.println("referenceMap." + referenceName + " = new " + proxyClient + "(\"" + targetURI + "\").Service;"); + } else { + os.println("referenceMap." + referenceName + " = new " + proxyClient + "(\"" + targetURI + "\");"); + } + } + } + } + + os.println("function Reference(name) {"); + os.println(" return referenceMap[name];"); + os.println("}"); + } + +} |