001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.camel.component.bean;
018    
019    import java.lang.reflect.InvocationHandler;
020    import java.lang.reflect.Method;
021    
022    import org.apache.camel.Endpoint;
023    import org.apache.camel.ExchangePattern;
024    import org.apache.camel.Producer;
025    
026    /**
027     * An {@link java.lang.reflect.InvocationHandler} which invokes a message
028     * exchange on a camel {@link Endpoint}
029     * 
030     * @version
031     */
032    public class CamelInvocationHandler extends AbstractCamelInvocationHandler implements InvocationHandler {
033        private final MethodInfoCache methodInfoCache;
034    
035        public CamelInvocationHandler(Endpoint endpoint, Producer producer, MethodInfoCache methodInfoCache) {
036            super(endpoint, producer);
037            this.methodInfoCache = methodInfoCache;
038        }
039    
040        public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
041            BeanInvocation invocation = new BeanInvocation(method, args);
042            MethodInfo methodInfo = methodInfoCache.getMethodInfo(method);
043            final ExchangePattern pattern = methodInfo != null ? methodInfo.getPattern() : ExchangePattern.InOut;
044            return invokeWithbody(method, invocation, pattern);
045        }
046    
047    }