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 */ 017package org.apache.camel.model; 018 019import javax.xml.bind.annotation.XmlRootElement; 020 021import org.apache.camel.Exchange; 022import org.apache.camel.Predicate; 023import org.apache.camel.model.language.ExpressionDefinition; 024import org.apache.camel.spi.AsPredicate; 025import org.apache.camel.spi.Metadata; 026import org.apache.camel.spi.RouteContext; 027 028/** 029 * Predicate to determine if the message should be sent or not to the endpoint, when using interceptSentToEndpoint. 030 */ 031@Metadata(label = "configuration") @AsPredicate 032@XmlRootElement(name = "whenSkipSendToEndpoint") 033public class WhenSkipSendToEndpointDefinition extends WhenDefinition { 034 035 @Override 036 protected Predicate createPredicate(RouteContext routeContext) { 037 // we need to keep track whether the when matches or not, so delegate 038 // the predicate and add the matches result as a property on the exchange 039 final Predicate delegate = super.createPredicate(routeContext); 040 return new Predicate() { 041 @Override 042 public boolean matches(Exchange exchange) { 043 boolean matches = delegate.matches(exchange); 044 exchange.setProperty(Exchange.INTERCEPT_SEND_TO_ENDPOINT_WHEN_MATCHED, matches); 045 return matches; 046 } 047 048 @Override 049 public String toString() { 050 return delegate.toString(); 051 } 052 }; 053 } 054 055 /** 056 * Expression used as the predicate to evaluate whether the message should be sent or not to the endpoint 057 */ 058 @Override 059 public void setExpression(ExpressionDefinition expression) { 060 // override to include javadoc what the expression is used for 061 super.setExpression(expression); 062 } 063 064}