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ActiveMQ example source code file (ListCommand.java)

This example ActiveMQ source code file (ListCommand.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

abstractjmxcommand, brokername, display, exception, exception, jmx, jmx, list, listcommand, set, set, string, string, url, util

The ActiveMQ ListCommand.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.console.command;

import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.apache.activemq.console.util.JmxMBeansUtil;

public class ListCommand extends AbstractJmxCommand {

    protected String[] helpFile = new String[] {
        "Task Usage: Main list [list-options]",
        "Description:  Lists all available broker in the specified JMX context.",
        "",
        "List Options:",
        "    --jmxurl <url>             Set the JMX URL to connect to.",
        "    --pid <pid>                Set the pid to connect to (only on Sun JVM).",            
        "    --jmxuser <user>           Set the JMX user used for authenticating.",
        "    --jmxpassword <password>   Set the JMX password used for authenticating.",
        "    --jmxlocal                 Use the local JMX server instead of a remote one.",
        "    --version                  Display the version information.",
        "    -h,-?,--help               Display the stop broker help information.",
        ""
    };

    /**
     * List all running brokers registered in the specified JMX context
     * @param tokens - command arguments
     * @throws Exception
     */
    protected void runTask(List tokens) throws Exception {
        try {
            Set<String> propsView = new HashSet();
            propsView.add("BrokerName");
            context.printMBean(JmxMBeansUtil.filterMBeansView(JmxMBeansUtil.getAllBrokers(createJmxConnection()), propsView));
        } catch (Exception e) {
            context.printException(new RuntimeException("Failed to execute list task. Reason: " + e));
            throw new Exception(e);
        }
    }
    
    /**
     * Print the help messages for the browse command
     */
    protected void printHelp() {
        context.printHelp(helpFile);
    }

}

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