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ActiveMQ example source code file (ActiveMQConnectionMetaData.java)

This example ActiveMQ source code file (ActiveMQConnectionMetaData.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

activemqconnectionmetadata, activemqconnectionmetadata, enumeration, instance, jmsxproducertxid, matcher, provider_major_version, provider_major_version, provider_minor_version, provider_minor_version, provider_version, regex, string, string, util, vector

The ActiveMQ ActiveMQConnectionMetaData.java source code

/**
 * 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 javax.jms.ConnectionMetaData;

/**
 * A <CODE>ConnectionMetaData object provides information describing
 * the <CODE>Connection 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 ActiveMQConnectionMetaData INSTANCE = new ActiveMQConnectionMetaData();

    static {
        String version = null;
        int major = 0;
        int minor = 0;
        try {
            Package p = Package.getPackage("org.apache.activemq");
            if (p != null) {
                version = p.getImplementationVersion();
                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;
    }

    private ActiveMQConnectionMetaData() {
    }

    /**
     * Gets the JMS API version.
     * 
     * @return the JMS API version
     */

    public String getJMSVersion() {
        return "1.1";
    }

    /**
     * Gets the JMS major version number.
     * 
     * @return the JMS API major version number
     */

    public int getJMSMajorVersion() {
        return 1;
    }

    /**
     * Gets the JMS minor version number.
     * 
     * @return the JMS API minor version number
     */

    public int getJMSMinorVersion() {
        return 1;
    }

    /**
     * Gets the JMS provider name.
     * 
     * @return the JMS provider name
     */

    public String getJMSProviderName() {
        return "ActiveMQ";
    }

    /**
     * Gets the JMS provider version.
     * 
     * @return the JMS provider version
     */

    public String getProviderVersion() {
        return PROVIDER_VERSION;
    }

    /**
     * Gets the JMS provider major version number.
     * 
     * @return the JMS provider major version number
     */

    public int getProviderMajorVersion() {
        return PROVIDER_MAJOR_VERSION;
    }

    /**
     * Gets the JMS provider minor version number.
     * 
     * @return the JMS provider minor version number
     */

    public int getProviderMinorVersion() {
        return PROVIDER_MINOR_VERSION;
    }

    /**
     * Gets an enumeration of the JMSX property names.
     * 
     * @return an Enumeration of JMSX property names
     */

    public Enumeration<String> getJMSXPropertyNames() {
        Vector<String> jmxProperties = new Vector();
        jmxProperties.add("JMSXGroupID");
        jmxProperties.add("JMSXGroupSeq");
        jmxProperties.add("JMSXDeliveryCount");
        jmxProperties.add("JMSXProducerTXID");
        return jmxProperties.elements();
    }
}

Other ActiveMQ examples (source code examples)

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