appserver/tests/v2-tests/appserv-tests/devtests/admin/pe/src/testmbeans/AWT.java

/*
 * Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package testmbeans;

import javax.management.*;
import java.io.*;
import javax.swing.JFrame;
import java.awt.BorderLayout;
import java.awt.Label;
import java.net.URL;


public class AWT implements AWTMBean
{

    private final String JMX_MONITOR_GAUGE_LOW = "jmx.monitor.gauge.low";
    private final String JMX_MONITOR_GAUGE_HIGH = "jmx.monitor.gauge.high";
    //private final String JMX_MONITOR_COUNTER_THRESHOLD = "jmx.monitor.counter.threshold";
    public AWT()
    {
        trigger();
        //throw new NullPointerException("NPE Here!!");
    }
    public synchronized void trigger()
    {
        try
        {
            // test the getResource in MBeanClassLoader
            // also test this AWT code which will have a failed
            // resource load of a log file

            Class    clazz    = getClass();
            URL url = clazz.getResource("/testmbeans/AWT.class");

            String filename = "error";

            if(url == null)
                url = clazz.getResource("AWT.class");
            if(url != null)
                filename = url.getPath();

            String mesg = "If you see a filename -- getResource succeeded: " + filename;
            JFrame.setDefaultLookAndFeelDecorated(true);
            JFrame myFrame = new JFrame("Glassfish");
            myFrame.setSize(1000, 180);
            myFrame.setLocation(100,100);
            //myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                myFrame.getContentPane().add(new Label(mesg,Label.CENTER), BorderLayout.CENTER);
            myFrame.setVisible(true);
            myFrame.show();
        }
        catch (Exception ex)
        {
            ex.printStackTrace();
        }
    }
}