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    /**
021     * @version $Revision: 519925 $
022     */
023    public class FilterProcessor<E> implements Processor<E> {
024        private Predicate<E> predicate;
025        private Processor<E> processor;
026    
027        public FilterProcessor(Predicate<E> predicate, Processor<E> processor) {
028            this.predicate = predicate;
029            this.processor = processor;
030        }
031    
032        public void onExchange(E exchange) {
033            if (predicate.evaluate(exchange)) {
034                processor.onExchange(exchange);
035            }
036        }
037    
038        @Override
039        public String toString() {
040            return "if (" + predicate + ") " + processor;
041        }
042    
043        public Predicate<E> getPredicate() {
044            return predicate;
045        }
046    
047        public Processor<E> getProcessor() {
048            return processor;
049        }
050    }