diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/java/awt/datatransfer/Transferable.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/src/share/classes/java/awt/datatransfer/Transferable.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,73 @@ +/* + * Copyright 1996-2003 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +package java.awt.datatransfer; + +import java.io.IOException; + +/** + * Defines the interface for classes that can be used to provide data + * for a transfer operation. + *

+ * For information on using data transfer with Swing, see + * + * How to Use Drag and Drop and Data Transfer, + * a section in The Java Tutorial, for more information. + * + * @author Amy Fowler + */ + +public interface Transferable { + + /** + * Returns an array of DataFlavor objects indicating the flavors the data + * can be provided in. The array should be ordered according to preference + * for providing the data (from most richly descriptive to least descriptive). + * @return an array of data flavors in which this data can be transferred + */ + public DataFlavor[] getTransferDataFlavors(); + + /** + * Returns whether or not the specified data flavor is supported for + * this object. + * @param flavor the requested flavor for the data + * @return boolean indicating whether or not the data flavor is supported + */ + public boolean isDataFlavorSupported(DataFlavor flavor); + + /** + * Returns an object which represents the data to be transferred. The class + * of the object returned is defined by the representation class of the flavor. + * + * @param flavor the requested flavor for the data + * @see DataFlavor#getRepresentationClass + * @exception IOException if the data is no longer available + * in the requested flavor. + * @exception UnsupportedFlavorException if the requested data flavor is + * not supported. + */ + public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException; + +}