/* * Copyright 2002-2011 the original author or authors. * * Licensed 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.springframework.flex.remoting; import java.util.Iterator; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.flex.config.MessageBrokerConfigProcessor; import org.springframework.flex.core.AbstractServiceConfigProcessor; import org.springframework.util.CollectionUtils; import flex.messaging.MessageBroker; import flex.messaging.endpoints.AMFEndpoint; import flex.messaging.endpoints.Endpoint; import flex.messaging.services.RemotingService; import flex.messaging.services.Service; import flex.messaging.services.remoting.adapters.JavaAdapter; /** * {@link MessageBrokerConfigProcessor} implementation that installs a default RemotingService if one has not already * been configured through the BlazeDS XML configuration. * * <p> * Using this processor makes the traditional <code>remoting-config.xml</code> file in BlazeDS XML configuration * unnecessary when exclusively using Spring to configure Flex remoting destinations. * * <p> * This processor is installed automatically when using the <code>message-broker</code> tag in the xml namespace * configuration. Its settings can be customized using the <code>remoting-service</code> child tag. See the XSD docs for * more detail. * * @author Jeremy Grelle */ public class RemotingServiceConfigProcessor extends AbstractServiceConfigProcessor { private static final Log log = LogFactory.getLog(RemotingServiceConfigProcessor.class); /** * Try to find a sensible default AMF channel for the default RemotingService * * If a application-level default is set on the MessageBroker, that will be used. Otherwise will use the first * AMFEndpoint from services-config.xml that it finds. * * @param broker * @param service */ @Override public void findDefaultChannel(MessageBroker broker, Service service) { if (!CollectionUtils.isEmpty(broker.getDefaultChannels())) { return; } Iterator<String> channels = broker.getChannelIds().iterator(); while (channels.hasNext()) { Endpoint endpoint = broker.getEndpoint(channels.next()); if (endpoint instanceof AMFEndpoint) { service.addDefaultChannel(endpoint.getId()); return; } } log.warn("No appropriate default channels were detected for the RemotingService. " + "The channels must be explicitly set on any exported service."); } /** * * {@inheritDoc} */ @Override protected String getServiceAdapterClassName() { return JavaAdapter.class.getName(); } /** * * {@inheritDoc} */ @Override protected String getServiceAdapterId() { return "java-object"; } /** * * {@inheritDoc} */ @Override protected String getServiceClassName() { return RemotingService.class.getName(); } /** * * {@inheritDoc} */ @Override protected String getServiceId() { return "remoting-service"; } }