Name: sdR10048 Date: 01/25/2001


public void javax.swing.JTextField.copy()
throws unexpected HeadlessException in headless mode.

Javadoc says:
--------------------------------------------------
public void copy()

     Transfers the currently selected range in the associated text
     model to the system clipboard, leaving the contents in the text
     model. The current selection remains intact. Does nothing for
     null selections.
     See Also:
         Toolkit.getSystemClipboard(), Clipboard

See example:
--------------------------------------------------
dsv@falcon ~/tmp
% cat Test.java
public class Test {
    public static void main(String[] args) {
        (new javax.swing.JTextField()).copy();
    }
}

dsv@falcon ~/tmp
% java -version
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b48)
Java HotSpot(TM) Client VM (build 1.4beta-B48, mixed mode)

dsv@falcon ~/tmp
% javac Test.java

dsv@falcon ~/tmp
% java -Djava.awt.headless=true Test
Exception in thread "main" java.awt.HeadlessException
        at sun.awt.HeadlessToolkit.getSystemClipboard(HeadlessToolkit.java:278)
        at javax.swing.TransferHandler$TransferAction.getClipboard(TransferHandler.java:735)
        at javax.swing.TransferHandler$TransferAction.actionPerformed(TransferHandler.java:716)
        at javax.swing.text.JTextComponent.copy(JTextComponent.java:1056)
        at Test.main(Test.java:3)
^C
--------------------------------------------------
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