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.model;
018    
019    import javax.xml.bind.annotation.XmlAccessType;
020    import javax.xml.bind.annotation.XmlAccessorType;
021    import javax.xml.bind.annotation.XmlRootElement;
022    import javax.xml.bind.annotation.XmlTransient;
023    
024    import org.apache.camel.Intercept;
025    import org.apache.camel.Predicate;
026    import org.apache.camel.Processor;
027    import org.apache.camel.builder.PredicateBuilder;
028    import org.apache.camel.processor.Interceptor;
029    import org.apache.camel.spi.RouteContext;
030    
031    /**
032     * Represents an XML <intercept/> element
033     *
034     * @version $Revision: 42218 $
035     */
036    @XmlRootElement(name = "intercept")
037    @XmlAccessorType(XmlAccessType.FIELD)
038    public class InterceptType extends OutputType<ProcessorType> {
039    
040        @XmlTransient
041        private ProceedType proceed = new ProceedType();
042    
043        @Override
044        public String toString() {
045            return "Intercept[" + getOutputs() + "]";
046        }
047    
048        @Override
049        public Processor createProcessor(RouteContext routeContext) throws Exception {
050            Interceptor interceptor = new Interceptor();
051            routeContext.intercept(interceptor);
052    
053            final Processor interceptRoute = createOutputsProcessor(routeContext);
054            interceptor.setInterceptorLogic(interceptRoute);
055    
056            return interceptor;
057        }
058    
059        /**
060         * Applies this interceptor only if the given predicate is true
061         */
062        public ChoiceType when(Predicate predicate) {
063            ChoiceType choice = choice().when(PredicateBuilder.not(predicate));
064            choice.addOutput(proceed);
065            return choice.otherwise();
066            //return choice.proceed().otherwise();
067        }
068    
069        public ProceedType getProceed() {
070            return proceed;
071        }
072    }