Java example source code file (AppletFrame.java)

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Java - Java tags/keywords

applet, appletframe, awt, center, classnotfoundexception, dimension, illegalaccessexception, instantiationexception, override, string, suppresswarnings

The AppletFrame.java Java example source code

/*
 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. 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 Oracle 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.
 */

/*
 * This source code is provided to illustrate the usage of a given feature
 * or technique and has been deliberately simplified. Additional steps
 * required for a production-quality application, such as security checks,
 * input validation and proper error handling, might not be present in
 * this sample code.
 */



import java.awt.Frame;
import java.awt.Event;
import java.awt.Dimension;
import java.applet.Applet;
import java.awt.AWTEvent;


/**
 * Applet to Application Frame window
 */
@SuppressWarnings("serial")
class AppletFrame extends Frame {

    public static void startApplet(String className,
            String title,
            String args[]) {
        // local variables
        Applet a;
        Dimension appletSize;

        try {
            // create an instance of your applet class
            a = (Applet) Class.forName(className).newInstance();
        } catch (ClassNotFoundException e) {
            return;
        } catch (InstantiationException e) {
            return;
        } catch (IllegalAccessException e) {
            return;
        }

        // initialize the applet
        a.init();
        a.start();

        // create new application frame window
        AppletFrame f = new AppletFrame(title);

        // add applet to frame window
        f.add("Center", a);

        // resize frame window to fit applet
        // assumes that the applet sets its own size
        // otherwise, you should set a specific size here.
        appletSize = a.getSize();
        f.pack();
        f.setSize(appletSize);

        // show the window
        f.setVisible(true);

    }  // end startApplet()

    // constructor needed to pass window title to class Frame
    public AppletFrame(String name) {
        // call java.awt.Frame(String) constructor
        super(name);
    }

    // needed to allow window close
    @Override
    public void processEvent(AWTEvent e) {
        // Window Destroy event
        if (e.getID() == Event.WINDOW_DESTROY) {
            // exit the program
            System.exit(0);
        }
    }  // end handleEvent()
}   // end class AppletFrame