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.console.filter; 018 019import java.io.IOException; 020import java.net.MalformedURLException; 021import java.util.Arrays; 022import java.util.Iterator; 023import java.util.List; 024 025import javax.management.MBeanServerConnection; 026import javax.management.ObjectName; 027import javax.management.openmbean.CompositeData; 028import javax.management.remote.JMXConnector; 029import javax.management.remote.JMXConnectorFactory; 030import javax.management.remote.JMXServiceURL; 031 032public class MessagesQueryFilter extends AbstractQueryFilter { 033 034 private MBeanServerConnection jmxConnection; 035 private ObjectName destName; 036 037 /** 038 * Create a JMS message query filter 039 * 040 * @param jmxConnection - JMX connection to use 041 * @param destName - object name query to retrieve the destination 042 */ 043 public MessagesQueryFilter(MBeanServerConnection jmxConnection, ObjectName destName) { 044 super(null); 045 this.jmxConnection = jmxConnection; 046 this.destName = destName; 047 } 048 049 /** 050 * Queries the specified destination using the message selector format query 051 * 052 * @param queries - message selector queries 053 * @return list messages that matches the selector 054 * @throws Exception 055 */ 056 public List query(List queries) throws Exception { 057 String selector = ""; 058 059 // Convert to message selector 060 for (Iterator i = queries.iterator(); i.hasNext();) { 061 selector = selector + "(" + i.next().toString() + ") AND "; 062 } 063 064 // Remove last AND 065 if (!selector.equals("")) { 066 selector = selector.substring(0, selector.length() - 5); 067 } 068 069 return queryMessages(selector); 070 } 071 072 /** 073 * Query the messages of a queue destination using JMX 074 * 075 * @param selector - message selector 076 * @return list of messages that matches the selector 077 * @throws Exception 078 */ 079 protected List queryMessages(String selector) throws Exception { 080 CompositeData[] messages = (CompositeData[]) jmxConnection.invoke(destName, "browse", new Object[] {selector}, new String[] {}); 081 return Arrays.asList(messages); 082 } 083 084}