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    }