/* * Copyright (c) 1995 - 2008 Sun Microsystems, Inc.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * *   - Redistributions of source code must retain the above copyright *     notice, this list of conditions and the following disclaimer. * *   - Redistributions in binary form must reproduce the above copyright *     notice, this list of conditions and the following disclaimer in the *     documentation and/or other materials provided with the distribution. * *   - Neither the name of Sun Microsystems nor the names of its *     contributors may be used to endorse or promote products derived *     from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /*  * Java(TM) SE 6 version. */import javax.swing.*;import java.applet.*;import java.awt.*;import java.awt.event.*;import java.util.Enumeration;public class GetApplets extends JApplet                         implements ActionListener {    private JTextArea textArea;    public void init() {    //Execute a job on the event-dispatching thread:    //creating this applet's GUI.    try {        javax.swing.SwingUtilities.invokeAndWait(new Runnable() {            public void run() {                createGUI();            }        });    } catch (Exception e) {        System.err.println("createGUI didn't successfully complete");    }}    private void createGUI() {        JPanel contentPane = new JPanel(new BorderLayout());        contentPane.setBorder(BorderFactory.createCompoundBorder(                                    BorderFactory.createLineBorder(Color.BLACK),                                    BorderFactory.createEmptyBorder(10,10,10,10)));        setContentPane(contentPane);                JButton b = new JButton("Click to call getApplets()");        b.addActionListener(this);        add(b, BorderLayout.PAGE_START);        textArea = new JTextArea(5, 40);        textArea.setEditable(false);        JScrollPane scroller = new JScrollPane(textArea);        add(scroller, BorderLayout.CENTER);    }    public void actionPerformed(ActionEvent event) {        printApplets();    }    public String getAppletInfo() {        return "GetApplets by Kathy Walrath";    }    public void printApplets() {        //Enumeration will contain all applets on this page        //(including this one) that we can send messages to.        Enumeration e = getAppletContext().getApplets();        textArea.append("Results of getApplets():\n");        while (e.hasMoreElements()) {            Applet applet = (Applet)e.nextElement();            String info = ((Applet)applet).getAppletInfo();            if (info != null) {                textArea.append("- " + info + "\n");            } else {                textArea.append("- " 				+ applet.getClass().getName()                                 + "\n");            }         }        textArea.append("________________________\n\n");    }}