Name: aaC67449 Date: 12/22/99


The constructor swing.JWindow(GraphicsConfiguration) always throws
IllegalArgumentException

See example.
------------------------- example ----------------
import javax.swing.JWindow;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;

public class Test {

    public static void main(String argv[]) {
        GraphicsConfiguration test = new StubGraphicsConfiguration();
        JWindow w = new JWindow(test);
        System.out.println("Ok");
 
   }

}


class StubGraphicsConfiguration extends GraphicsConfiguration {
    public StubGraphicsConfiguration() {
    }
    
    public GraphicsDevice getDevice(){
        return new StubGraphicsDevice();
    }

    public BufferedImage createCompatibleImage(int width, int height){
        return null;
    }
    
    public BufferedImage createCompatibleImage(int width, int height,
                                                        int transparency){
        return null;
    }

    public ColorModel getColorModel(){
        return null;
    }

    public ColorModel getColorModel(int transparency){
        return null;
    }

    public AffineTransform getDefaultTransform(){
        return null;
    }

    public AffineTransform getNormalizingTransform(){
        return null;
    }

    public Rectangle getBounds(){
        return new Rectangle(100,100,100,100);
    }

}


class StubGraphicsDevice extends GraphicsDevice {
 
    public StubGraphicsDevice() {
    }
    
    public int getType() {
        return TYPE_RASTER_SCREEN;
    }

    public String getIDstring() {
        return "Test";
    }

    public GraphicsConfiguration[] getConfigurations() {
        GraphicsConfiguration gc[]={new StubGraphicsConfiguration()};
        return gc;
    }

    public GraphicsConfiguration getDefaultConfiguration(){
        return new StubGraphicsConfiguration();
    }
}
------------------------- output ----------------
Exception in thread "main" java.lang.IllegalArgumentException: null owner window
        at java.awt.Window.ownedInit(Window.java:300)
        at java.awt.Window.<init>(Window.java:295)
        at javax.swing.JWindow.<init>(JWindow.java:160)
        at javax.swing.JWindow.<init>(JWindow.java:124)
        at Test.main(Test.java:11)

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