/**
* 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.blueprint;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.logging.Logger;
import org.apache.aries.blueprint.ExtendedBlueprintContainer;
import org.apache.aries.blueprint.container.BeanRecipe;
import org.apache.aries.blueprint.di.ExecutionContext;
import org.apache.aries.blueprint.di.Recipe;
import org.apache.cxf.bus.extension.ExtensionManagerImpl;
import org.apache.cxf.common.logging.LogUtils;
import org.apache.cxf.configuration.ConfiguredBeanLocator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.blueprint.container.BlueprintContainer;
/**
*
*/
public class BlueprintBeanLocator implements ConfiguredBeanLocator {
private static final Logger LOG = LogUtils.getL7dLogger(BlueprintBeanLocator.class);
ConfiguredBeanLocator orig;
ExtendedBlueprintContainer container;
BundleContext context;
public BlueprintBeanLocator(ConfiguredBeanLocator orig,
BlueprintContainer cont,
BundleContext context) {
this.orig = orig;
this.container = (ExtendedBlueprintContainer)cont;
this.context = context;
if (orig instanceof ExtensionManagerImpl) {
List<String> names = new ArrayList<String>(container.getComponentIds());
((ExtensionManagerImpl)orig).removeBeansOfNames(names);
}
}
/** {@inheritDoc}*/
public List<String> getBeanNamesOfType(Class<?> type) {
Set<String> names = new LinkedHashSet<String>();
ExecutionContext origContext
= ExecutionContext.Holder.setContext((ExecutionContext)container.getRepository());
try {
for (String s : container.getComponentIds()) {
Recipe r = container.getRepository().getRecipe(s);
if (r instanceof BeanRecipe && ((BeanRecipe)r).getType() != null
&& type.isAssignableFrom(((BeanRecipe)r).getType())) {
names.add(s);
}
}
} finally {
ExecutionContext.Holder.setContext(origContext);
}
names.addAll(orig.getBeanNamesOfType(type));
return new ArrayList<String>(names);
}
/** {@inheritDoc}*/
public <T> Collection<? extends T> getBeansOfType(Class<T> type) {
List<T> list = new ArrayList<T>();
ExecutionContext origContext
= ExecutionContext.Holder.setContext((ExecutionContext)container.getRepository());
try {
for (String s : container.getComponentIds()) {
Recipe r = container.getRepository().getRecipe(s);
if (r instanceof BeanRecipe && ((BeanRecipe)r).getType() != null
&& type.isAssignableFrom(((BeanRecipe)r).getType())) {
list.add(type.cast(container.getComponentInstance(s)));
}
}
} finally {
ExecutionContext.Holder.setContext(origContext);
}
list.addAll(orig.getBeansOfType(type));
if (list.isEmpty()) {
try {
ServiceReference refs[] = context.getServiceReferences(type.getName(), null);
if (refs != null) {
for (ServiceReference r : refs) {
list.add(type.cast(context.getService(r)));
}
}
} catch (Exception ex) {
//ignore, just don't support the OSGi services
LOG.info("Try to find the Bean with type:" + type
+ " from OSGi services and get error: " + ex);
}
}
return list;
}
/** {@inheritDoc}*/
public <T> boolean loadBeansOfType(Class<T> type, BeanLoaderListener<T> listener) {
List<String> names = new ArrayList<String>();
boolean loaded = false;
ExecutionContext origContext
= ExecutionContext.Holder.setContext((ExecutionContext)container.getRepository());
try {
for (String s : container.getComponentIds()) {
Recipe r = container.getRepository().getRecipe(s);
if (r instanceof BeanRecipe && ((BeanRecipe)r).getType() != null
&& type.isAssignableFrom(((BeanRecipe)r).getType())) {
names.add(s);
}
}
Collections.reverse(names);
for (String s : names) {
BeanRecipe r = (BeanRecipe)container.getRepository().getRecipe(s);
Class<?> beanType = r.getType();
Class<? extends T> t = beanType.asSubclass(type);
if (listener.loadBean(s, t)) {
Object o = container.getComponentInstance(s);
if (listener.beanLoaded(s, type.cast(o))) {
return true;
}
loaded = true;
}
}
} finally {
ExecutionContext.Holder.setContext(origContext);
}
return loaded || orig.loadBeansOfType(type, listener);
}
public boolean hasConfiguredPropertyValue(String beanName, String propertyName, String value) {
ExecutionContext origContext
= ExecutionContext.Holder.setContext((ExecutionContext)container.getRepository());
try {
Recipe r = container.getRepository().getRecipe(beanName);
if (r instanceof BeanRecipe) {
BeanRecipe br = (BeanRecipe)r;
Object o = br.getProperty(propertyName);
if (o == null) {
return false;
}
//TODO - need to check the values of the property
return false;
}
} finally {
ExecutionContext.Holder.setContext(origContext);
}
return orig.hasConfiguredPropertyValue(beanName, propertyName, value);
}
}