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.activemq.util; 018 019 import org.apache.activemq.broker.ConnectionContext; 020 import org.apache.activemq.broker.ProducerBrokerExchange; 021 import org.apache.activemq.command.ActiveMQDestination; 022 import org.apache.activemq.command.Message; 023 import org.apache.activemq.command.ProducerInfo; 024 import org.apache.activemq.state.ProducerState; 025 026 /** 027 * Utility class for re-sending messages 028 * 029 */ 030 public final class BrokerSupport { 031 032 private BrokerSupport() { 033 } 034 035 public static void resendNoCopy(final ConnectionContext context, Message originalMessage, ActiveMQDestination deadLetterDestination) throws Exception { 036 doResend(context, originalMessage, deadLetterDestination, false); 037 } 038 039 /** 040 * @param context 041 * @param originalMessage 042 * @param deadLetterDestination 043 * @throws Exception 044 */ 045 public static void resend(final ConnectionContext context, Message originalMessage, ActiveMQDestination deadLetterDestination) throws Exception { 046 doResend(context, originalMessage, deadLetterDestination, true); 047 } 048 049 public static void doResend(final ConnectionContext context, Message originalMessage, ActiveMQDestination deadLetterDestination, boolean copy) throws Exception { 050 Message message = copy ? originalMessage.copy() : originalMessage; 051 message.setOriginalDestination(message.getDestination()); 052 message.setOriginalTransactionId(message.getTransactionId()); 053 message.setDestination(deadLetterDestination); 054 message.setTransactionId(null); 055 message.setMemoryUsage(null); 056 boolean originalFlowControl = context.isProducerFlowControl(); 057 try { 058 context.setProducerFlowControl(false); 059 ProducerInfo info = new ProducerInfo(); 060 ProducerState state = new ProducerState(info); 061 ProducerBrokerExchange producerExchange = new ProducerBrokerExchange(); 062 producerExchange.setProducerState(state); 063 producerExchange.setMutable(true); 064 producerExchange.setConnectionContext(context); 065 context.getBroker().send(producerExchange, message); 066 } finally { 067 context.setProducerFlowControl(originalFlowControl); 068 } 069 } 070 071 }