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1: /* Clipboard.java -- Class for transferring data via cut and paste. 2: Copyright (C) 1999, 2001 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package java.awt.datatransfer; 40: 41: /** 42: * This class allows data to be transferred using a cut and paste type 43: * mechanism. 44: * 45: * @author Aaron M. Renn (arenn@urbanophile.com) 46: */ 47: public class Clipboard 48: { 49: /** 50: * The data being transferred. 51: */ 52: protected Transferable contents; 53: 54: /** 55: * The owner of this clipboard. 56: */ 57: protected ClipboardOwner owner; 58: 59: // The clipboard name 60: private String name; 61: 62: /** 63: * Initializes a new instance of <code>Clipboard</code> with the 64: * specified name. 65: * 66: * @param name The clipboard name. 67: */ 68: public Clipboard(String name) 69: { 70: this.name = name; 71: } 72: 73: /** 74: * Returns the name of the clipboard. 75: */ 76: public String getName() 77: { 78: return name; 79: } 80: 81: /** 82: * Returns the contents of the clipboard. 83: * 84: * @param requestor The object requesting the contents. 85: * 86: * @exception IllegalStateException If the clipboard is currently unavailable 87: */ 88: public synchronized Transferable getContents(Object requestor) 89: { 90: return contents; 91: } 92: 93: /** 94: * Sets the content and owner of this clipboard. 95: * If the given owner is different from the current owner 96: * then lostOwnership is called on the current owner. 97: * XXX - is this called with the old or new contents. 98: * 99: * @param contents The new clipboard contents. 100: * @param owner The new clipboard owner 101: * 102: * @exception IllegalStateException If the clipboard is currently unavailable 103: */ 104: public synchronized void setContents(Transferable contents, ClipboardOwner owner) 105: { 106: if (this.owner != owner) 107: if (this.owner != null) 108: this.owner.lostOwnership(this, contents); 109: 110: this.owner = owner; 111: this.contents = contents; 112: } 113: }
GNU Classpath (0.17) |