| /* |
| * 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 org.apache.tuscany.sca.assembly.ComponentService; |
| import org.apache.tuscany.sca.binding.comet.runtime.javascript.JavascriptGenerator; |
| import org.apache.tuscany.sca.host.http.ServletHost; |
| import org.apache.tuscany.sca.interfacedef.Interface; |
| import org.apache.tuscany.sca.interfacedef.InterfaceContract; |
| import org.apache.tuscany.sca.interfacedef.Operation; |
| import org.apache.tuscany.sca.provider.ServiceBindingProvider; |
| import org.apache.tuscany.sca.runtime.RuntimeEndpoint; |
| |
| /** |
| * Provider for services having comet binding specified in the scdl. |
| */ |
| public class CometServiceBindingProvider implements ServiceBindingProvider { |
| |
| /** |
| * Service's endpoint. |
| */ |
| private final RuntimeEndpoint endpoint; |
| |
| /** |
| * The underlying servlet host. |
| */ |
| private final ServletHost servletHost; |
| |
| /** |
| * Constructor. |
| * |
| * @param endpoint the given endpoint |
| * @param servletHost the given servlet host |
| */ |
| public CometServiceBindingProvider(final RuntimeEndpoint endpoint, final ServletHost servletHost) { |
| this.endpoint = endpoint; |
| this.servletHost = servletHost; |
| } |
| |
| /** |
| * This method is used to start the provider. |
| */ |
| @Override |
| public void start() { |
| ServletFactory.registerServlet(this.servletHost); |
| final ComponentService service = this.endpoint.getService(); |
| final Interface serviceInterface = service.getInterfaceContract().getInterface(); |
| JavascriptGenerator.generateServiceProxy(service); |
| for (final Operation operation : serviceInterface.getOperations()) { |
| JavascriptGenerator.generateMethodProxy(service, operation); |
| ServletFactory.addOperation(this.endpoint, operation); |
| } |
| } |
| |
| /** |
| * This method is used to stop the provider. |
| */ |
| @Override |
| public void stop() { |
| ServletFactory.unregisterServlet(this.servletHost); |
| } |
| |
| @Override |
| public InterfaceContract getBindingInterfaceContract() { |
| return null; |
| } |
| |
| @Override |
| public boolean supportsOneWayInvocation() { |
| return true; |
| } |
| |
| } |