001    /**
002     *
003     * Licensed to the Apache Software Foundation (ASF) under one or more
004     * contributor license agreements.  See the NOTICE file distributed with
005     * this work for additional information regarding copyright ownership.
006     * The ASF licenses this file to You under the Apache License, Version 2.0
007     * (the "License"); you may not use this file except in compliance with
008     * the License.  You may obtain a copy of the License at
009     *
010     * http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.camel;
019    
020    import java.util.Collection;
021    
022    /**
023     * Represents a composite pattern, aggregating a collection of processors together as a single processor
024     *
025     * @version $Revision: 519997 $
026     */
027    public class CompositeProcessor<E> implements Processor<E> {
028        private final Collection<Processor<E>> processors;
029    
030        public CompositeProcessor(Collection<Processor<E>> processors) {
031            this.processors = processors;
032        }
033    
034        public void onExchange(E exchange) {
035            for (Processor<E> processor : processors) {
036                processor.onExchange(exchange);
037            }
038        }
039    
040        @Override
041        public String toString() {
042            StringBuilder builder = new StringBuilder("[ ");
043            boolean first = true;
044            for (Processor<E> processor : processors) {
045                if (first) {
046                    first = false;
047                }
048                else {
049                    builder.append(", ");
050                }
051                builder.append(processor.toString());
052            }
053            builder.append(" ]");
054            return builder.toString();
055        }
056    
057        public Collection<Processor<E>> getProcessors() {
058            return processors;
059        }
060    }