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 }