103 lines
3.3 KiB
Java
103 lines
3.3 KiB
Java
/*
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* Copyright (c) 2000, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.Transferable;
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import java.awt.datatransfer.UnsupportedFlavorException;
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import java.util.Vector;
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public class TransferableObject implements Transferable {
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private Object data;
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private String stringText;
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public static DataFlavor stringFlavor,localObjectFlavor;
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static
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{
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// Data Flavor for Java Local Object
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try {
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localObjectFlavor = new DataFlavor(DataFlavor.javaJVMLocalObjectMimeType);
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stringFlavor = DataFlavor.stringFlavor;
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}
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catch (ClassNotFoundException e) {
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System.out.println("Exception " + e);
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}
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}
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DataFlavor[] dfs;
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public TransferableObject(Object data) {
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super();
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Vector v = new Vector();
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if(data instanceof String) {
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v.addElement(stringFlavor);
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stringText = (String)data;
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}
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else {
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v.addElement(localObjectFlavor);
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}
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dfs = new DataFlavor[v.size()];
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v.copyInto(dfs);
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this.data = data;
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}
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// Retrieve the data based on the flavor
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public Object getTransferData(DataFlavor flavor)
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throws UnsupportedFlavorException {
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System.out.println("\n ***************************************");
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System.out.println(" The Flavor passed to retrieve the data : "
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+ flavor.getHumanPresentableName());
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System.out.println(" The Flavors supported");
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for (int j = 0; j < dfs.length; j++)
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System.out.println(" Flavor : " + dfs[j].getHumanPresentableName());
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System.out.println(" ***************************************\n");
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if (!isDataFlavorSupported(flavor)) {
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throw new UnsupportedFlavorException(flavor);
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} else if (flavor.equals(stringFlavor)) {
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return stringText;
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} else if (localObjectFlavor.isMimeTypeEqual(flavor)) {
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return data;
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}
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return null;
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}
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public DataFlavor[] getTransferDataFlavors(){
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return dfs;
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}
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public boolean isDataFlavorSupported(DataFlavor flavor) {
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for (int i = 0 ; i < dfs.length; i++) {
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if (dfs[i].match(flavor)) {
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return true;
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}
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}
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return false;
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}
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}
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