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The Core Camel Java DSL based router
/**
* 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.impl.UriEndpointComponent;
import org.apache.camel.util.IntrospectionSupport;
import org.apache.camel.util.LRUCacheFactory;
import org.apache.camel.util.LRUSoftCache;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The Bean Component is for invoking Java beans from Camel.
*/
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
@SuppressWarnings("unchecked")
private final LRUSoftCache cache = LRUCacheFactory.newLRUSoftCache(1000);
public BeanComponent() {
super(BeanEndpoint.class);
}
public BeanComponent(Class endpointClass) {
super(endpointClass);
}
// Implementation methods
//-----------------------------------------------------------------------
protected Endpoint createEndpoint(String uri, String remaining, Map parameters) throws Exception {
BeanEndpoint endpoint = new BeanEndpoint(uri, this);
endpoint.setBeanName(remaining);
setProperties(endpoint, parameters);
// the bean.xxx options is for the bean
Map options = IntrospectionSupport.extractProperties(parameters, "bean.");
endpoint.setParameters(options);
return endpoint;
}
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();
}
}