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://activemq.apache.org/camel/message-filter.html">Message Filter</a> EIP pattern. 026 * 027 * @version $Revision: 565 $ 028 */ 029 public class FilterProcessor extends DelegateProcessor { 030 private Predicate<Exchange> predicate; 031 032 public FilterProcessor(Predicate<Exchange> 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<Exchange> getPredicate() { 049 return predicate; 050 } 051 }