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.builder; 018 019 import org.apache.camel.processor.FilterProcessor; 020 import org.apache.camel.Predicate; 021 import org.apache.camel.Exchange; 022 import org.apache.camel.Processor; 023 024 /** 025 * @version $Revision: 534145 $ 026 */ 027 public class FilterBuilder extends FromBuilder { 028 private Predicate predicate; 029 030 public FilterBuilder(FromBuilder builder, Predicate predicate) { 031 super(builder); 032 this.predicate = predicate; 033 } 034 035 /** 036 * Adds another predicate using a logical AND 037 */ 038 public FilterBuilder and(Predicate predicate) { 039 this.predicate = PredicateBuilder.and(this.predicate, predicate); 040 return this; 041 } 042 043 /** 044 * Adds another predicate using a logical OR 045 */ 046 public FilterBuilder or(Predicate predicate) { 047 this.predicate = PredicateBuilder.or(this.predicate, predicate); 048 return this; 049 } 050 051 public Predicate getPredicate() { 052 return predicate; 053 } 054 055 public FilterProcessor createProcessor() throws Exception { 056 // lets create a single processor for all child predicates 057 Processor childProcessor = super.createProcessor(); 058 return new FilterProcessor(predicate, childProcessor); 059 } 060 061 }