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.activemq.camel.component.broker; 018 019import java.util.ArrayList; 020import java.util.List; 021import java.util.Map; 022import java.util.Set; 023 024import org.apache.activemq.broker.view.MessageBrokerView; 025import org.apache.activemq.broker.view.MessageBrokerViewRegistry; 026import org.apache.activemq.command.ActiveMQDestination; 027import org.apache.camel.ComponentConfiguration; 028import org.apache.camel.Endpoint; 029import org.apache.camel.component.jms.JmsConfiguration; 030import org.apache.camel.impl.UriEndpointComponent; 031import org.apache.camel.spi.EndpointCompleter; 032 033import static org.apache.camel.util.ObjectHelper.removeStartingCharacters; 034 035/** 036 * The <a href="http://activemq.apache.org/broker-camel-component.html">Broker Camel component</a> allows to use Camel 037 * routing to move messages through the broker. 038 */ 039public class BrokerComponent extends UriEndpointComponent implements EndpointCompleter { 040 041 public BrokerComponent() { 042 super(BrokerEndpoint.class); 043 } 044 045 @Override 046 protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters) throws Exception { 047 BrokerConfiguration brokerConfiguration = new BrokerConfiguration(); 048 setProperties(brokerConfiguration, parameters); 049 050 byte destinationType = ActiveMQDestination.QUEUE_TYPE; 051 052 if (remaining.startsWith(JmsConfiguration.QUEUE_PREFIX)) { 053 remaining = removeStartingCharacters(remaining.substring(JmsConfiguration.QUEUE_PREFIX.length()), '/'); 054 } else if (remaining.startsWith(JmsConfiguration.TOPIC_PREFIX)) { 055 destinationType = ActiveMQDestination.TOPIC_TYPE; 056 remaining = removeStartingCharacters(remaining.substring(JmsConfiguration.TOPIC_PREFIX.length()), '/'); 057 } else if (remaining.startsWith(JmsConfiguration.TEMP_QUEUE_PREFIX)) { 058 destinationType = ActiveMQDestination.TEMP_QUEUE_TYPE; 059 remaining = removeStartingCharacters(remaining.substring(JmsConfiguration.TEMP_QUEUE_PREFIX.length()), '/'); 060 } else if (remaining.startsWith(JmsConfiguration.TEMP_TOPIC_PREFIX)) { 061 destinationType = ActiveMQDestination.TEMP_TOPIC_TYPE; 062 remaining = removeStartingCharacters(remaining.substring(JmsConfiguration.TEMP_TOPIC_PREFIX.length()), '/'); 063 } 064 065 ActiveMQDestination destination = ActiveMQDestination.createDestination(remaining, destinationType); 066 BrokerEndpoint brokerEndpoint = new BrokerEndpoint(uri, this, remaining, destination, brokerConfiguration); 067 setProperties(brokerEndpoint, parameters); 068 return brokerEndpoint; 069 } 070 071 @Override 072 public List<String> completeEndpointPath(ComponentConfiguration componentConfiguration, String completionText) { 073 String brokerName = String.valueOf(componentConfiguration.getParameter("brokerName")); 074 MessageBrokerView messageBrokerView = MessageBrokerViewRegistry.getInstance().lookup(brokerName); 075 if (messageBrokerView != null) { 076 String destinationName = completionText; 077 Set<? extends ActiveMQDestination> set = messageBrokerView.getQueues(); 078 if (completionText.startsWith("topic:")) { 079 set = messageBrokerView.getTopics(); 080 destinationName = completionText.substring(6); 081 } else if (completionText.startsWith("queue:")) { 082 destinationName = completionText.substring(6); 083 } 084 ArrayList<String> answer = new ArrayList<String>(); 085 for (ActiveMQDestination destination : set) { 086 if (destination.getPhysicalName().startsWith(destinationName)) { 087 answer.add(destination.getPhysicalName()); 088 } 089 } 090 return answer; 091 092 } 093 return null; 094 } 095}