content: /**
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.activemq;
  
  import java.util.Enumeration;
  import java.util.Vector;
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  
  import jakarta.jms.ConnectionMetaData;
  
  /**
   * A <CODE>ConnectionMetaData</CODE> object provides information describing
   * the <CODE>Connection</CODE> object.
   */
  public final class ActiveMQConnectionMetaData implements ConnectionMetaData {
  
      public static final String PROVIDER_VERSION;
      public static final int PROVIDER_MAJOR_VERSION;
      public static final int PROVIDER_MINOR_VERSION;
      public static final String PROVIDER_NAME = "ActiveMQ";
      public static final String DEFAULT_PLATFORM_DETAILS = "Java";
      public static final String PLATFORM_DETAILS;
  
      public static final ActiveMQConnectionMetaData INSTANCE = new ActiveMQConnectionMetaData();
  
      static {
          String version = null;
          int major = 0;
          int minor = 0;
          try {
              Package p = ActiveMQConnectionMetaData.class.getPackage();
              if (p != null) {
                  version = p.getImplementationVersion();
                  if (version != null) {
                      Pattern pattern = Pattern.compile("(\\d+)\\.(\\d+).*");
                      Matcher m = pattern.matcher(version);
                      if (m.matches()) {
                          major = Integer.parseInt(m.group(1));
                          minor = Integer.parseInt(m.group(2));
                      }
                  }
              }
          } catch (Throwable e) {
          }
          PROVIDER_VERSION = version;
          PROVIDER_MAJOR_VERSION = major;
          PROVIDER_MINOR_VERSION = minor;
          PLATFORM_DETAILS = ActiveMQConnectionMetaData.getPlatformDetails();
      }
  
      private ActiveMQConnectionMetaData() {
      }
  
      /**
       * Gets the JMS API version.
       *
       * @return the JMS API version
       */
      @Override
      public String getJMSVersion() {
          return "1.1";
      }
  
      /**
       * Gets the JMS major version number.
       *
       * @return the JMS API major version number
       */
      @Override
      public int getJMSMajorVersion() {
          return 1;
      }
  
      /**
       * Gets the JMS minor version number.
       *
       * @return the JMS API minor version number
       */
      @Override
      public int getJMSMinorVersion() {
          return 1;
      }
  
      /**
       * Gets the JMS provider name.
       *
       * @return the JMS provider name
       */
      @Override
      public String getJMSProviderName() {
          return "ActiveMQ";
      }
  
      /**
       * Gets the JMS provider version.
       *
       * @return the JMS provider version
       */
      @Override
      public String getProviderVersion() {
          return PROVIDER_VERSION;
      }
  
      /**
       * Gets the JMS provider major version number.
       *
       * @return the JMS provider major version number
       */
      @Override
      public int getProviderMajorVersion() {
          return PROVIDER_MAJOR_VERSION;
      }
  
      /**
       * Gets the JMS provider minor version number.
       *
       * @return the JMS provider minor version number
       */
      @Override
      public int getProviderMinorVersion() {
          return PROVIDER_MINOR_VERSION;
      }
  
      /**
       * Gets an enumeration of the JMSX property names.
       *
       * @return an Enumeration of JMSX property names
       */
      @Override
      public Enumeration<String> getJMSXPropertyNames() {
          Vector<String> jmxProperties = new Vector<String>();
          jmxProperties.add("JMSXUserID");
          jmxProperties.add("JMSXGroupID");
          jmxProperties.add("JMSXGroupSeq");
          jmxProperties.add("JMSXDeliveryCount");
          jmxProperties.add("JMSXProducerTXID");
          return jmxProperties.elements();
      }
  
      /**
       * Get the platform details for the JMS provider.
       *
       * @return String containing the platform details
       */
      private static String getPlatformDetails() {
          String details = "java";
          try {
              StringBuilder platformInfo = new StringBuilder(128);
  
              platformInfo.append("JVM: ");
              platformInfo.append(System.getProperty("java.version"));
              platformInfo.append(", ");
              platformInfo.append(System.getProperty("java.vm.version"));
              platformInfo.append(", ");
              platformInfo.append(System.getProperty("java.vendor"));
              platformInfo.append(", OS: ");
              platformInfo.append(System.getProperty("os.name"));
              platformInfo.append(", ");
              platformInfo.append(System.getProperty("os.version"));
              platformInfo.append(", ");
              platformInfo.append(System.getProperty("os.arch"));
  
              details = platformInfo.toString();
          } catch (Throwable e) {
          }
          return details;
      }
  }
  