| /* Clipboard.java -- Class for transferring data via cut and paste. |
| Copyright (C) 1999, 2001 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package java.awt.datatransfer; |
| |
| /** |
| * This class allows data to be transferred using a cut and paste type |
| * mechanism. |
| * |
| * @author Aaron M. Renn (arenn@urbanophile.com) |
| */ |
| public class Clipboard |
| { |
| /** |
| * The data being transferred. |
| */ |
| protected Transferable contents; |
| |
| /** |
| * The owner of this clipboard. |
| */ |
| protected ClipboardOwner owner; |
| |
| // The clipboard name |
| private String name; |
| |
| /** |
| * Initializes a new instance of <code>Clipboard</code> with the |
| * specified name. |
| * |
| * @param name The clipboard name. |
| */ |
| public Clipboard(String name) |
| { |
| this.name = name; |
| } |
| |
| /** |
| * Returns the name of the clipboard. |
| */ |
| public String getName() |
| { |
| return name; |
| } |
| |
| /** |
| * Returns the contents of the clipboard. |
| * |
| * @param requestor The object requesting the contents. |
| * |
| * @exception IllegalStateException If the clipboard is currently unavailable |
| */ |
| public synchronized Transferable getContents(Object requestor) |
| { |
| return contents; |
| } |
| |
| /** |
| * Sets the content and owner of this clipboard. |
| * If the given owner is different from the current owner |
| * then lostOwnership is called on the current owner. |
| * XXX - is this called with the old or new contents. |
| * |
| * @param contents The new clipboard contents. |
| * @param owner The new clipboard owner |
| * |
| * @exception IllegalStateException If the clipboard is currently unavailable |
| */ |
| public synchronized void setContents(Transferable contents, ClipboardOwner owner) |
| { |
| if (this.owner != owner) |
| if (this.owner != null) |
| this.owner.lostOwnership(this, contents); |
| |
| this.owner = owner; |
| this.contents = contents; |
| } |
| } |
| |