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 @Override 035 public String getShortName() { 036 return "whenSkipSendToEndpoint"; 037 } 038 039 @Override 040 protected Predicate createPredicate(RouteContext routeContext) { 041 // we need to keep track whether the when matches or not, so delegate 042 // the predicate and add the matches result as a property on the exchange 043 final Predicate delegate = super.createPredicate(routeContext); 044 return new Predicate() { 045 @Override 046 public boolean matches(Exchange exchange) { 047 boolean matches = delegate.matches(exchange); 048 exchange.setProperty(Exchange.INTERCEPT_SEND_TO_ENDPOINT_WHEN_MATCHED, matches); 049 return matches; 050 } 051 052 @Override 053 public String toString() { 054 return delegate.toString(); 055 } 056 }; 057 } 058 059 /** 060 * Expression used as the predicate to evaluate whether the message should be sent or not to the endpoint 061 */ 062 @Override 063 public void setExpression(ExpressionDefinition expression) { 064 // override to include javadoc what the expression is used for 065 super.setExpression(expression); 066 } 067 068}