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.Predicate;
021 import org.apache.camel.Processor;
022
023 /**
024 * The processor which implements the
025 * <a href="http://camel.apache.org/message-filter.html">Message Filter</a> EIP pattern.
026 *
027 * @version $Revision: 738604 $
028 */
029 public class FilterProcessor extends DelegateProcessor {
030 private Predicate predicate;
031
032 public FilterProcessor(Predicate predicate, Processor processor) {
033 super(processor);
034 this.predicate = predicate;
035 }
036
037 public void process(Exchange exchange) throws Exception {
038 if (predicate.matches(exchange)) {
039 super.process(exchange);
040 }
041 }
042
043 @Override
044 public String toString() {
045 return "Filter[if: " + predicate + " do: " + getProcessor() + "]";
046 }
047
048 public Predicate getPredicate() {
049 return predicate;
050 }
051 }