ShowDocApplet.java Source code

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Here is the source code for ShowDocApplet.java

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/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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, the Duke mascot, and all variants of Sun's Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
 * inventing predecessor languages C and C++ is also gratefully acknowledged.
 */

//applet.html

/*
<HEAD>
<TITLE>ShowDocApplet: try out showDocument().</TITLE>
</HEAD>
<BODY BGCOLOR=PINK>
<H1>ShowDocApplet: try out showDocument().</H1>
<APPLET CODE=ShowDocApplet.java WIDTH=300 HEIGHT=200>
</APPLET>
</BODY>
    
    
*/

import java.applet.Applet;
import java.awt.Button;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * ShowDocApplet: Demonstrate showDocument().
 * 
 * @author Ian Darwin, http://www.darwinsys.com/
 */
public class ShowDocApplet extends Applet {
    // String targetString = "http://www.darwinsys.com/javacook/secret.html";
    String targetString = "file:///c:/javasrc/network/ShowDocApplet.java";

    /** The URL to go to */
    URL targetURL;

    /** Initialize the Applet */
    public void init() {
        setBackground(Color.gray);
        try {
            targetURL = new URL(targetString);
        } catch (MalformedURLException mfu) {
            throw new IllegalArgumentException("ShowDocApplet got bad URL " + targetString);
        }
        Button b = new Button("View Secret");
        add(b);
        b.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                getAppletContext().showDocument(targetURL);
            }
        });
    }

    public void stop() {
        System.out.println("Ack! Its been fun being an Applet. Goodbye!");
    }
}