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; 018 019import java.util.Enumeration; 020import java.util.Vector; 021import java.util.regex.Matcher; 022import java.util.regex.Pattern; 023 024import javax.jms.ConnectionMetaData; 025 026/** 027 * A <CODE>ConnectionMetaData</CODE> object provides information describing 028 * the <CODE>Connection</CODE> object. 029 */ 030public final class ActiveMQConnectionMetaData implements ConnectionMetaData { 031 032 public static final String PROVIDER_VERSION; 033 public static final int PROVIDER_MAJOR_VERSION; 034 public static final int PROVIDER_MINOR_VERSION; 035 036 public static final ActiveMQConnectionMetaData INSTANCE = new ActiveMQConnectionMetaData(); 037 038 static { 039 String version = null; 040 int major = 0; 041 int minor = 0; 042 try { 043 Package p = Package.getPackage("org.apache.activemq"); 044 if (p != null) { 045 version = p.getImplementationVersion(); 046 if (version != null) { 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 } 055 } catch (Throwable e) { 056 } 057 PROVIDER_VERSION = version; 058 PROVIDER_MAJOR_VERSION = major; 059 PROVIDER_MINOR_VERSION = minor; 060 } 061 062 private ActiveMQConnectionMetaData() { 063 } 064 065 /** 066 * Gets the JMS API version. 067 * 068 * @return the JMS API version 069 */ 070 @Override 071 public String getJMSVersion() { 072 return "1.1"; 073 } 074 075 /** 076 * Gets the JMS major version number. 077 * 078 * @return the JMS API major version number 079 */ 080 @Override 081 public int getJMSMajorVersion() { 082 return 1; 083 } 084 085 /** 086 * Gets the JMS minor version number. 087 * 088 * @return the JMS API minor version number 089 */ 090 @Override 091 public int getJMSMinorVersion() { 092 return 1; 093 } 094 095 /** 096 * Gets the JMS provider name. 097 * 098 * @return the JMS provider name 099 */ 100 @Override 101 public String getJMSProviderName() { 102 return "ActiveMQ"; 103 } 104 105 /** 106 * Gets the JMS provider version. 107 * 108 * @return the JMS provider version 109 */ 110 @Override 111 public String getProviderVersion() { 112 return PROVIDER_VERSION; 113 } 114 115 /** 116 * Gets the JMS provider major version number. 117 * 118 * @return the JMS provider major version number 119 */ 120 @Override 121 public int getProviderMajorVersion() { 122 return PROVIDER_MAJOR_VERSION; 123 } 124 125 /** 126 * Gets the JMS provider minor version number. 127 * 128 * @return the JMS provider minor version number 129 */ 130 @Override 131 public int getProviderMinorVersion() { 132 return PROVIDER_MINOR_VERSION; 133 } 134 135 /** 136 * Gets an enumeration of the JMSX property names. 137 * 138 * @return an Enumeration of JMSX property names 139 */ 140 @Override 141 public Enumeration<String> getJMSXPropertyNames() { 142 Vector<String> jmxProperties = new Vector<String>(); 143 jmxProperties.add("JMSXUserID"); 144 jmxProperties.add("JMSXGroupID"); 145 jmxProperties.add("JMSXGroupSeq"); 146 jmxProperties.add("JMSXDeliveryCount"); 147 jmxProperties.add("JMSXProducerTXID"); 148 return jmxProperties.elements(); 149 } 150}