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; 018 019 import java.util.Enumeration; 020 import java.util.Vector; 021 import java.util.regex.Matcher; 022 import java.util.regex.Pattern; 023 024 import javax.jms.ConnectionMetaData; 025 026 /** 027 * A <CODE>ConnectionMetaData</CODE> object provides information describing 028 * the <CODE>Connection</CODE> object. 029 */ 030 031 public final class ActiveMQConnectionMetaData implements ConnectionMetaData { 032 033 public static final String PROVIDER_VERSION; 034 public static final int PROVIDER_MAJOR_VERSION; 035 public static final int PROVIDER_MINOR_VERSION; 036 037 public static final ActiveMQConnectionMetaData INSTANCE = new ActiveMQConnectionMetaData(); 038 039 static { 040 String version = null; 041 int major = 0; 042 int minor = 0; 043 try { 044 Package p = Package.getPackage("org.apache.activemq"); 045 if (p != null) { 046 version = p.getImplementationVersion(); 047 Pattern pattern = Pattern.compile("(\\d+)\\.(\\d+).*"); 048 Matcher m = pattern.matcher(version); 049 if (m.matches()) { 050 major = Integer.parseInt(m.group(1)); 051 minor = Integer.parseInt(m.group(2)); 052 } 053 } 054 } catch (Throwable e) { 055 } 056 PROVIDER_VERSION = version; 057 PROVIDER_MAJOR_VERSION = major; 058 PROVIDER_MINOR_VERSION = minor; 059 } 060 061 private ActiveMQConnectionMetaData() { 062 } 063 064 /** 065 * Gets the JMS API version. 066 * 067 * @return the JMS API version 068 */ 069 070 public String getJMSVersion() { 071 return "1.1"; 072 } 073 074 /** 075 * Gets the JMS major version number. 076 * 077 * @return the JMS API major version number 078 */ 079 080 public int getJMSMajorVersion() { 081 return 1; 082 } 083 084 /** 085 * Gets the JMS minor version number. 086 * 087 * @return the JMS API minor version number 088 */ 089 090 public int getJMSMinorVersion() { 091 return 1; 092 } 093 094 /** 095 * Gets the JMS provider name. 096 * 097 * @return the JMS provider name 098 */ 099 100 public String getJMSProviderName() { 101 return "ActiveMQ"; 102 } 103 104 /** 105 * Gets the JMS provider version. 106 * 107 * @return the JMS provider version 108 */ 109 110 public String getProviderVersion() { 111 return PROVIDER_VERSION; 112 } 113 114 /** 115 * Gets the JMS provider major version number. 116 * 117 * @return the JMS provider major version number 118 */ 119 120 public int getProviderMajorVersion() { 121 return PROVIDER_MAJOR_VERSION; 122 } 123 124 /** 125 * Gets the JMS provider minor version number. 126 * 127 * @return the JMS provider minor version number 128 */ 129 130 public int getProviderMinorVersion() { 131 return PROVIDER_MINOR_VERSION; 132 } 133 134 /** 135 * Gets an enumeration of the JMSX property names. 136 * 137 * @return an Enumeration of JMSX property names 138 */ 139 140 public Enumeration<String> getJMSXPropertyNames() { 141 Vector<String> jmxProperties = new Vector<String>(); 142 jmxProperties.add("JMSXGroupID"); 143 jmxProperties.add("JMSXGroupSeq"); 144 jmxProperties.add("JMSXDeliveryCount"); 145 jmxProperties.add("JMSXProducerTXID"); 146 return jmxProperties.elements(); 147 } 148 }