TryCGI.java Source code

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Here is the source code for TryCGI.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

/*
<html>
<head>
   <title>Java Applets Can Run CGI's (on some browsers)</title>
</head>
    
<body bgcolor="white">
<h1>Java Applets Can Run CGI's (on some browsers)</h1>
<p>Click on the button on this little Applet for p(r)oof!</p>
<applet code="TryCGI" width="100" height="30">
<p>If you can see this, you need to get a Java-powered(tm) Web Browser
before you can watch for real.</p>
</applet>
<hr/>
<p>Use <a href="TryCGI.java">The Source</a>, Luke.</p>
</body>
</html>
    
    
*/

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

/**
 * Try running a CGI-BIN script from within Java.
 */
public class TryCGI extends Applet implements ActionListener {
    protected Button goButton;

    public void init() {
        add(goButton = new Button("Go for it!"));
        goButton.addActionListener(this);
    }

    public void actionPerformed(ActionEvent evt) {
        try {
            URL myNewURL = new URL("http://server/cgi-bin/credit");

            // debug...
            System.out.println("URL = " + myNewURL);

            // "And then a miracle occurs..."
            getAppletContext().showDocument(myNewURL);

        } catch (Exception err) {
            System.err.println("Error!\n" + err);
            showStatus("Error, look in Java Console for details!");
        }
    }
}