/**
* 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.cxf.bus.spring;
import java.util.List;
import org.apache.cxf.bus.BusState;
import org.apache.cxf.bus.extension.ExtensionManagerBus;
import org.apache.cxf.configuration.ConfiguredBeanLocator;
import org.apache.cxf.configuration.Configurer;
import org.apache.cxf.configuration.spring.ConfigurerImpl;
import org.apache.cxf.feature.AbstractFeature;
import org.apache.cxf.feature.Feature;
import org.apache.cxf.feature.WrappedFeature;
import org.apache.cxf.resource.ResourceManager;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextClosedEvent;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.support.AbstractApplicationContext;
/**
*
*/
public class SpringBus extends ExtensionManagerBus
implements ApplicationContextAware {
AbstractApplicationContext ctx;
boolean closeContext;
public SpringBus() {
}
public void setBusConfig(BusDefinitionParser.BusConfig bc) {
bc.setBus(this);
}
public void loadAdditionalFeatures() {
super.loadAdditionalFeatures();
ConfiguredBeanLocator loc = getExtension(ConfiguredBeanLocator.class);
if (loc instanceof SpringBeanLocator) {
SpringBeanLocator sloc = (SpringBeanLocator)loc;
List<Feature> features = sloc.getOSGiServices(Feature.class);
for (Feature feature : features) {
if (feature instanceof AbstractFeature) {
this.getFeatures().add((AbstractFeature)feature);
} else {
this.getFeatures().add(new WrappedFeature(feature));
}
}
}
}
/** {@inheritDoc}*/
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
ctx = (AbstractApplicationContext)applicationContext;
@SuppressWarnings("rawtypes")
ApplicationListener listener = new ApplicationListener() {
public void onApplicationEvent(ApplicationEvent event) {
SpringBus.this.onApplicationEvent(event);
}
};
ctx.addApplicationListener(listener);
ApplicationContext ac = applicationContext.getParent();
while (ac != null) {
if (ac instanceof AbstractApplicationContext) {
((AbstractApplicationContext)ac).addApplicationListener(listener);
}
ac = ac.getParent();
}
// set the classLoader extension with the application context classLoader
setExtension(applicationContext.getClassLoader(), ClassLoader.class);
setExtension(new ConfigurerImpl(applicationContext), Configurer.class);
ResourceManager m = getExtension(ResourceManager.class);
m.addResourceResolver(new BusApplicationContextResourceResolver(applicationContext));
setExtension(applicationContext, ApplicationContext.class);
ConfiguredBeanLocator loc = getExtension(ConfiguredBeanLocator.class);
if (!(loc instanceof SpringBeanLocator)) {
setExtension(new SpringBeanLocator(applicationContext, this), ConfiguredBeanLocator.class);
}
if (getState() != BusState.RUNNING) {
initialize();
}
}
public void onApplicationEvent(ApplicationEvent event) {
if (ctx == null) {
return;
}
boolean doIt = false;
ApplicationContext ac = ctx;
while (ac != null && !doIt) {
if (event.getSource() == ac) {
doIt = true;
break;
}
ac = ac.getParent();
}
if (doIt) {
if (event instanceof ContextRefreshedEvent) {
if (getState() != BusState.RUNNING) {
initialize();
}
} else if (event instanceof ContextClosedEvent && getState() == BusState.RUNNING) {
// The bus could be create by using SpringBusFactory.createBus("/cxf.xml");
// Just to make sure the shutdown is called rightly
shutdown();
}
}
}
public void destroyBeans() {
if (closeContext) {
ctx.close();
}
super.destroyBeans();
}
public String getId() {
if (id == null) {
try {
Class<?> clsbc = Class.forName("org.osgi.framework.BundleContext");
Class<?> clsb = Class.forName("org.osgi.framework.Bundle");
Object o = getExtension(clsbc);
Object o2 = clsbc.getMethod("getBundle").invoke(o);
String s = (String)clsb.getMethod("getSymbolicName").invoke(o2);
id = s + "-" + DEFAULT_BUS_ID + Integer.toString(this.hashCode());
} catch (Throwable t) {
id = super.getId();
}
}
return id;
}
public void setCloseContext(boolean b) {
closeContext = b;
}
}