/*
* 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.openejb.config;
import org.apache.openejb.OpenEJBException;
import org.apache.openejb.util.LogCategory;
import org.apache.openejb.util.Logger;
import org.apache.xbean.finder.Annotated;
import org.apache.xbean.finder.AnnotationFinder;
import org.apache.xbean.finder.IAnnotationFinder;
import java.lang.annotation.Annotation;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
public class MBeanDeployer implements DynamicDeployer {
private static final Logger logger = Logger.getInstance(LogCategory.OPENEJB_STARTUP_CONFIG, MBeanDeployer.class);
// mbeans ObjectNames are stored in the app since they are global and that's easier
// mbean classes themself are stored in modules since they depend only on them
@Override
public AppModule deploy(AppModule appModule) throws OpenEJBException {
logger.debug("looking for annotated MBeans in " + appModule.getModuleId());
final List<String> done = new ArrayList<String>();
ClassLoader cl = appModule.getClassLoader();
if (cl == null) {
cl = Thread.currentThread().getContextClassLoader();
if (cl == null) {
cl = getClass().getClassLoader();
}
}
final Collection<Class<? extends Annotation>> mbeanClasses = new ArrayList<Class<? extends Annotation>>(2);
mbeanClasses.add(org.apache.openejb.api.jmx.MBean.class);
try { // for OSGi environment, javax.management is imported by the JRE
mbeanClasses.add((Class<? extends Annotation>) cl.loadClass("javax.management.MBean"));
} catch (NoClassDefFoundError noClassDefFoundError) {
// ignored
} catch (ClassNotFoundException e) {
// ignored
}
// there is an ejbmodule by webapp so we should't need to go through the webapp
for (EjbModule ejbModule : appModule.getEjbModules()) {
if (ejbModule.getFinder() == null) {
continue;
}
for (Class<? extends Annotation> mclazz : mbeanClasses) {
for (Annotated<Class<?>> clazz : ejbModule.getFinder().findMetaAnnotatedClasses(mclazz)) {
final Class<?> realClass = clazz.get();
final String name = realClass.getName();
if (done.contains(name)) {
continue;
}
ejbModule.getMbeans().add(name);
done.add(name);
}
}
}
for (ClientModule clientModule : appModule.getClientModules()) {
if (clientModule.getFinder() == null) {
continue;
}
for (Class<? extends Annotation> mclazz : mbeanClasses) {
for (Annotated<Class<?>> clazz : clientModule.getFinder().findMetaAnnotatedClasses(mclazz)) {
final String name = clazz.get().getName();
if (done.contains(name)) {
continue;
}
clientModule.getMbeans().add(name);
}
}
}
List<URL> libs = appModule.getAdditionalLibraries();
Iterator<URL> it = libs.iterator();
while (it.hasNext()) {
URL url = it.next();
for (String location : done) {
if (url.getFile().equals(location)) {
it.remove();
}
}
}
if (libs.size() > 0) {
// force descriptor for additinal libs since it shouldn't occur often and can save some time
final IAnnotationFinder finder = new AnnotationFinder(new ConfigurableClasspathArchive(appModule.getClassLoader(), true, libs));
for (Class<? extends Annotation> mclazz : mbeanClasses) {
for (Annotated<Class<?>> clazz : finder.findMetaAnnotatedClasses(mclazz)) {
final String name = clazz.get().getName();
if (done.contains(name)) {
continue;
}
appModule.getAdditionalLibMbeans().add(name);
}
}
}
return appModule;
}
}