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.plugin; 018 019import org.apache.activemq.command.ActiveMQDestination; 020import org.apache.activemq.command.ActiveMQQueue; 021import org.apache.activemq.command.ActiveMQTopic; 022 023import org.apache.activemq.schema.core.DtoQueue; 024import org.apache.activemq.schema.core.DtoTopic; 025 026import java.util.Arrays; 027import java.util.List; 028 029public class DestinationsProcessor extends DefaultConfigurationProcessor { 030 031 public DestinationsProcessor(RuntimeConfigurationBroker plugin, Class configurationClass) { 032 super(plugin, configurationClass); 033 } 034 035 @Override 036 public void processChanges(List current, List modified) { 037 for (Object destinations : modified) { 038 for (Object dto : getContents(destinations)) { 039 try { 040 ActiveMQDestination destination = createDestination(dto); 041 if (!containsDestination(destination)) { 042 plugin.addDestination(plugin.getBrokerService().getAdminConnectionContext(), destination, true); 043 plugin.info("Added destination " + destination); 044 } 045 } catch (Exception e) { 046 plugin.info("Failed to add a new destination for DTO: " + dto, e); 047 } 048 } 049 } 050 } 051 052 protected boolean containsDestination(ActiveMQDestination destination) throws Exception { 053 return Arrays.asList(plugin.getBrokerService().getRegionBroker().getDestinations()).contains(destination); 054 } 055 056 @Override 057 public void addNew(Object o) { 058 try { 059 ActiveMQDestination destination = createDestination(o); 060 plugin.addDestination(plugin.getBrokerService().getAdminConnectionContext(), destination, true); 061 plugin.info("Added destination " + destination); 062 } catch (Exception e) { 063 plugin.info("Failed to add a new destination for DTO: " + o, e); 064 } 065 } 066 067 private ActiveMQDestination createDestination(Object dto) throws Exception { 068 if (dto instanceof DtoQueue) { 069 return new ActiveMQQueue(((DtoQueue) dto).getPhysicalName()); 070 } else if (dto instanceof DtoTopic) { 071 return new ActiveMQTopic(((DtoTopic) dto).getPhysicalName()); 072 } else { 073 throw new Exception("Unknown destination type for DTO " + dto); 074 } 075 } 076}