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.processor;
018    
019    import java.util.List;
020    
021    import org.apache.camel.Processor;
022    
023    /**
024     * A processor which catches exceptions.
025     *
026     * @version $Revision: 565 $
027     */
028    public class CatchProcessor extends DelegateProcessor {
029        private List<Class> exceptions;
030    
031        public CatchProcessor(List<Class> exceptions, Processor processor) {
032            super(processor);
033            this.exceptions = exceptions;
034        }
035    
036        @Override
037        public String toString() {
038            return "Catch[" + exceptions + " -> " + getProcessor() + "]";
039        }
040    
041        public boolean catches(Throwable e) {
042            for (Class type : exceptions) {
043                if (type.isInstance(e)) {
044                    return true;
045                }
046            }
047            return false;
048        }
049    
050        public List<Class> getExceptions() {
051            return exceptions;
052        }
053    }