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author | fmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68> | 2010-09-16 11:46:56 +0000 |
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committer | fmoga <fmoga@13f79535-47bb-0310-9956-ffa450edef68> | 2010-09-16 11:46:56 +0000 |
commit | 6e2fd89ad51e4ff455118519461e0c2c5d084ee0 (patch) | |
tree | d54b4f59c8bf4f94b6ec751397ed352bf18d0c1a /sca-java-2.x/trunk/contrib/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java | |
parent | 6d1b0e4670f540142fc42087060eb0535c661b45 (diff) |
Moved comet binding to trunk.
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@997698 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/trunk/contrib/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java')
-rw-r--r-- | sca-java-2.x/trunk/contrib/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/sca-java-2.x/trunk/contrib/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java b/sca-java-2.x/trunk/contrib/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java deleted file mode 100644 index c1244b3183..0000000000 --- a/sca-java-2.x/trunk/contrib/modules/binding-comet-runtime/src/main/java/org/apache/tuscany/sca/binding/comet/runtime/ServletFactory.java +++ /dev/null @@ -1,155 +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.binding.comet.runtime; - -import java.util.HashMap; -import java.util.Map; - -import org.apache.tuscany.sca.host.http.ServletHost; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.atmosphere.cpr.AtmosphereServlet; - -/** - * This class is used to create two servlets: one exposing all the comet - * services, the other one exposing the javascript toolkit. Exposing all comet - * services through a single servlet is needed as the browsers are undergone by - * the two http connection limit so all comet services should send their - * responses via the same http connection to the same client. Dispatching to the - * corresponding endpoint and operation is done internally using Jersey RESTful - * Web Services integration with the AtmosphereServlet. The Javascript toolkit - * servlet is unique as it is not tied to any of the services - it offers a - * global API. - */ -public final class ServletFactory { - - /** - * Init-param key for the AtmosphereServlet defining where to look for - * Jersey classes. - */ - private static final String PACKAGE_KEY = "com.sun.jersey.config.property.packages"; - - /** - * Package of the class handling dispatching to endpoints. - */ - private static final String PACKAGE_VALUE = "org.apache.tuscany.sca.binding.comet.runtime.handler"; - - /** - * Package of the class handling Javascript toolkit retrieval. - */ - private static final String JS_PACKAGE_VALUE = "org.apache.tuscany.sca.binding.comet.runtime.javascript"; - - /** - * Property in the ServletContext where endpoints are added incrementally as - * the Tuscany runtime calls the CometServiceBindingProvider for each comet - * service. - */ - public static final String ENDPOINTS_KEY = "org.apache.tuscany.sca.binding.comet.endpoints"; - - /** - * Property in the ServletContext where operations are added incrementally - * as the CometServiceBindingProvider is calling the registerServlet method - * for each comet service method. - */ - public static final String OPERATIONS_KEY = "org.apache.tuscany.sca.binding.comet.operations"; - - /** - * Path where services will be exposed. - */ - public static final String PATH = "/tuscany-comet/*"; - - /** - * Path where Javascript toolkit will be exposed. - */ - public static final String JS_PATH = "/org.apache.tuscany.sca.cometComponentContext.js/*"; - - /** - * The servlet that is exposing the comet services. - */ - private static AtmosphereServlet cometServlet = null; - - /** - * The servlet that is exposing the Javascript toolkit. - */ - private static AtmosphereServlet javascriptServlet = null; - - /** - * Private constructor for the singleton class. - */ - private ServletFactory() { - } - - /** - * Method called by CometServiceBindingProvider for each endpoint in order - * to create the two singleton servlets. - * - * @param servletHost the underlying servlet host - */ - public static synchronized void registerServlet(final ServletHost servletHost) { - if (ServletFactory.cometServlet == null) { - ServletFactory.cometServlet = new AtmosphereServlet(); - ServletFactory.cometServlet.addInitParameter(ServletFactory.PACKAGE_KEY, ServletFactory.PACKAGE_VALUE); - servletHost.addServletMapping(ServletFactory.PATH, ServletFactory.cometServlet); - // store operations and corresponding endpoint in the ServletContext - // so that they can be retrieved from inside the web service methods - final Map<String, RuntimeEndpoint> endpoints = new HashMap<String, RuntimeEndpoint>(); - ServletFactory.cometServlet.getServletContext().setAttribute(ServletFactory.ENDPOINTS_KEY, endpoints); - final Map<String, Operation> operations = new HashMap<String, Operation>(); - ServletFactory.cometServlet.getServletContext().setAttribute(ServletFactory.OPERATIONS_KEY, operations); - } - if (ServletFactory.javascriptServlet == null) { - ServletFactory.javascriptServlet = new AtmosphereServlet(); - ServletFactory.javascriptServlet.addInitParameter(ServletFactory.PACKAGE_KEY, - ServletFactory.JS_PACKAGE_VALUE); - servletHost.addServletMapping(ServletFactory.JS_PATH, ServletFactory.javascriptServlet); - } - } - - /** - * Method called by CometServiceBindingProvider for each endpoint operation - * in order to store all the operations the servlet will serve. - * - * @param endpoint the endpoint - * @param operation the operation - */ - public static synchronized void addOperation(final RuntimeEndpoint endpoint, final Operation operation) { - final String url = "/" + endpoint.getService().getName() + "/" + operation.getName(); - final Map<String, RuntimeEndpoint> endpoints = - (Map<String, RuntimeEndpoint>)ServletFactory.cometServlet.getServletContext() - .getAttribute(ServletFactory.ENDPOINTS_KEY); - endpoints.put(url, endpoint); - final Map<String, Operation> operations = - (Map<String, Operation>)ServletFactory.cometServlet.getServletContext() - .getAttribute(ServletFactory.OPERATIONS_KEY); - operations.put(url, operation); - } - - /** - * Method called by CometServiceBindingProvider for each endpoint operation - * in order to remove the two servlets. - * - * @param servletHost the underlying servlet host - */ - public static synchronized void unregisterServlet(final ServletHost servletHost) { - servletHost.removeServletMapping(ServletFactory.PATH); - servletHost.removeServletMapping(ServletFactory.JS_PATH); - } - -} |