diff options
Diffstat (limited to 'branches/sca-java-1.5/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java')
-rw-r--r-- | branches/sca-java-1.5/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/branches/sca-java-1.5/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java b/branches/sca-java-1.5/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java deleted file mode 100644 index bf33f7ad9e..0000000000 --- a/branches/sca-java-1.5/modules/implementation-web-runtime/src/main/java/org/apache/tuscany/sca/implementation/web/ComponentContextServlet.java +++ /dev/null @@ -1,156 +0,0 @@ -/* - * 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.PrintWriter; -import java.io.UnsupportedEncodingException; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import javax.servlet.ServletConfig; -import javax.servlet.ServletContext; -import javax.servlet.ServletException; -import javax.servlet.http.HttpServlet; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; - -import org.apache.tuscany.sca.assembly.ComponentReference; -import org.apache.tuscany.sca.runtime.RuntimeComponent; - -/** - * 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"; - - protected transient Map<String, Object> attributes = new HashMap<String, Object>(); - protected transient ServletContext servletContext; - private transient List<ContextScriptProcessor> contextScriptProcessors = new ArrayList<ContextScriptProcessor>(); - - public ComponentContextServlet() { - contextScriptProcessors.add(new JSONRPCScripProcessor()); - } - - @Override - public void init(ServletConfig servletConfig) throws ServletException { - this.servletContext = servletConfig.getServletContext(); - if (attributes.size() > 0) { - for (String name : attributes.keySet()) { - servletContext.setAttribute(name, attributes.get(name)); - } - } - } - - @Override - public void doGet(HttpServletRequest req, HttpServletResponse response) throws IOException { - response.setContentType("text/plain;charset=utf-8"); - PrintWriter out = response.getWriter(); - - out.write(HEADER); - - doScriptInit(req, response); - - doScriptReferences(req, response); - - out.write(FOOTER); - - out.flush(); - out.close(); - } - - /** - * Calls each ContextScriptProcessor once to insert any required initilization code into componentContext.js - */ - protected void doScriptInit(HttpServletRequest req, HttpServletResponse response) throws IOException, UnsupportedEncodingException { - - PrintWriter out = response.getWriter(); - - out.println("if (SCA == undefined) var SCA = new Object();"); - out.println("if (SCA.componentContext == undefined) {"); - out.println(" SCA.componentContext = new Object();"); - out.println(" SCA.componentContext.serviceNames = [];"); - out.println(" SCA.componentContext.serviceProxys = [];"); - out.println(" SCA.componentContext.getService = function(serviceName){"); - out.println(" var i = SCA.componentContext.serviceNames.indexOf(serviceName);"); - out.println(" return SCA.componentContext.serviceProxys[i];"); - out.println(" };"); - out.println(" if (componentContext == undefined) var componentContext = SCA.componentContext;"); - out.println("}"); - - for (ContextScriptProcessor csp : contextScriptProcessors) { - csp.scriptInit(req, response); - } - } - - /** - * Calls each ContextScriptProcessor for each SCA reference to insert code for the reference into componentContext.js - */ - protected void doScriptReferences(HttpServletRequest req, HttpServletResponse response) throws IOException, UnsupportedEncodingException { - - PrintWriter out = response.getWriter(); - - out.write("// SCA References\n"); - - RuntimeComponent component = (RuntimeComponent)servletContext.getAttribute("org.apache.tuscany.sca.implementation.web.RuntimeComponent"); - - for (ComponentReference cr : component.getReferences()) { - String ref = "// SCA Reference " + cr.getName() + "\n"; - out.write(ref); - for (ContextScriptProcessor csp : contextScriptProcessors) { - csp.scriptReference(cr, req, response); - } - } - - out.write("\n// SCA References end.\n"); - } - - /** - * Calls each ContextScriptProcessor for each SCA property to insert code for the property into componentContext.js - */ - protected void doScriptProperties(HttpServletRequest req, HttpServletResponse response) throws IOException, UnsupportedEncodingException { - // TODO: support properties - } - - /** - * Set an attribute on the ServletContext - */ - public void setAttribute(String name, Object value) { - if (servletContext != null) { - servletContext.setAttribute(name, value); - } else { - attributes.put(name, value); - } - } - - public void addContextScriptProcessor(ContextScriptProcessor csp) { - contextScriptProcessors.add(csp); - } -} |