/**
* 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.activemq.xbean;
import java.beans.PropertyEditorManager;
import java.net.URI;
import org.apache.activemq.broker.BrokerService;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.xbean.spring.context.ResourceXmlApplicationContext;
import org.apache.xbean.spring.context.impl.URIEditor;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.core.io.Resource;
/**
* A Spring {@link FactoryBean} which creates an embedded broker inside a Spring
* XML using an external <a href="http://gbean.org/Custom+XML">XBean Spring XML
* configuration file</a> which provides a much neater and more concise XML
* format.
*
* @version $Revision: 1.1 $
*/
public class BrokerFactoryBean implements FactoryBean, InitializingBean, DisposableBean, ApplicationContextAware {
static {
PropertyEditorManager.registerEditor(URI.class, URIEditor.class);
}
private Resource config;
private XBeanBrokerService broker;
private boolean start;
private ResourceXmlApplicationContext context;
private ApplicationContext parentContext;
public BrokerFactoryBean() {
}
public BrokerFactoryBean(Resource config) {
this.config = config;
}
public Object getObject() throws Exception {
return broker;
}
public Class getObjectType() {
return BrokerService.class;
}
public boolean isSingleton() {
return true;
}
public void setApplicationContext(ApplicationContext parentContext) throws BeansException {
this.parentContext = parentContext;
}
public void afterPropertiesSet() throws Exception {
if (config == null) {
throw new IllegalArgumentException("config property must be set");
}
context = new ResourceXmlApplicationContext(config, parentContext);
try {
broker = (XBeanBrokerService)context.getBean("broker");
} catch (BeansException e) {
// ignore...
// log.trace("No bean named broker available: " + e, e);
}
if (broker == null) {
// lets try find by type
String[] names = context.getBeanNamesForType(BrokerService.class);
for (int i = 0; i < names.length; i++) {
String name = names[i];
broker = (XBeanBrokerService)context.getBean(name);
if (broker != null) {
break;
}
}
}
if (broker == null) {
throw new IllegalArgumentException("The configuration has no BrokerService instance for resource: " + config);
}
if (start) {
broker.start();
}
}
public void destroy() throws Exception {
if (context != null) {
context.close();
}
if (broker != null) {
broker.stop();
}
}
public Resource getConfig() {
return config;
}
public void setConfig(Resource config) {
this.config = config;
}
public BrokerService getBroker() {
return broker;
}
public boolean isStart() {
return start;
}
public void setStart(boolean start) {
this.start = start;
}
}