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 org.apache.camel.Exchange;
020    import org.apache.camel.Processor;
021    import org.apache.camel.Traceable;
022    import org.apache.camel.support.ServiceSupport;
023    import org.apache.camel.util.ObjectHelper;
024    
025    /**
026     * The processor which sets an {@link Exception} on the {@link Exchange}
027     */
028    public class ThrowExceptionProcessor extends ServiceSupport implements Processor, Traceable {
029        private final Exception exception;
030    
031        public ThrowExceptionProcessor(Exception exception) {
032            ObjectHelper.notNull(exception, "exception", this);
033            this.exception = exception;
034        }
035    
036        /**
037         * Set the exception in the exchange
038         */
039        public void process(Exchange exchange) throws Exception {
040            exchange.setException(exception);
041        }
042    
043        public String getTraceLabel() {
044            return "throwException[" + exception.getClass().getSimpleName() + "]";
045        }
046    
047        public String toString() {
048            return "ThrowException";
049        }
050    
051        @Override
052        protected void doStart() throws Exception {
053            // noop
054        }
055    
056        @Override
057        protected void doStop() throws Exception {
058            // noop
059        }
060    }