/**
* 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.camel.component.bean;
import java.util.Map;
import org.apache.camel.Endpoint;
import org.apache.camel.Processor;
import org.apache.camel.impl.ProcessorEndpoint;
import org.apache.camel.impl.UriEndpointComponent;
import org.apache.camel.util.LRUSoftCache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The <a href="http://camel.apache.org/bean.html">Bean Component</a> is for invoking Java beans from Camel.
*
* @version
*/
public class BeanComponent extends UriEndpointComponent {
private static final Logger LOG = LoggerFactory.getLogger(BeanComponent.class);
// use an internal soft cache for BeanInfo as they are costly to introspect
// for example the bean language using OGNL expression runs much faster reusing the BeanInfo from this cache
private final LRUSoftCache<BeanInfoCacheKey, BeanInfo> cache = new LRUSoftCache<BeanInfoCacheKey, BeanInfo>(1000);
public BeanComponent() {
super(BeanEndpoint.class);
}
public BeanComponent(Class<? extends Endpoint> endpointClass) {
super(endpointClass);
}
/**
* A helper method to create a new endpoint from a bean with a generated URI
*/
public ProcessorEndpoint createEndpoint(Object bean) {
// used by servicemix-camel
String uri = "bean:generated:" + bean;
return createEndpoint(bean, uri);
}
/**
* A helper method to create a new endpoint from a bean with a given URI
*/
public ProcessorEndpoint createEndpoint(Object bean, String uri) {
// used by servicemix-camel
BeanProcessor processor = new BeanProcessor(bean, getCamelContext());
return createEndpoint(uri, processor);
}
// Implementation methods
//-----------------------------------------------------------------------
protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception {
BeanEndpoint endpoint = new BeanEndpoint(uri, this);
endpoint.setBeanName(remaining);
Boolean cache = getAndRemoveParameter(parameters, "cache", Boolean.class, Boolean.FALSE);
endpoint.setCache(cache);
Processor processor = endpoint.getProcessor();
setProperties(processor, parameters);
return endpoint;
}
protected BeanEndpoint createEndpoint(String uri, BeanProcessor processor) {
return new BeanEndpoint(uri, this, processor);
}
BeanInfo getBeanInfoFromCache(BeanInfoCacheKey key) {
return cache.get(key);
}
void addBeanInfoToCache(BeanInfoCacheKey key, BeanInfo beanInfo) {
cache.put(key, beanInfo);
}
@Override
protected void doShutdown() throws Exception {
if (LOG.isDebugEnabled()) {
LOG.debug("Clearing BeanInfo cache[size={}, hits={}, misses={}, evicted={}]", new Object[]{cache.size(), cache.getHits(), cache.getMisses(), cache.getEvicted()});
}
cache.clear();
}
}