119 lines
4.0 KiB
Java
119 lines
4.0 KiB
Java
/*
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* Copyright (c) 2002, 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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/*
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@test
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@bug 4683804
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@summary Tests that in ClipboardOwner.lostOwnership() Clipboard.getContents()
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returns actual contents of the clipboard and Clipboard.setContents()
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can set contents of the clipboard and its owner. The clipboard is
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a private clipboard.
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*/
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import java.awt.datatransfer.Clipboard;
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import java.awt.datatransfer.ClipboardOwner;
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import java.awt.datatransfer.DataFlavor;
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import java.awt.datatransfer.StringSelection;
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import java.awt.datatransfer.Transferable;
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public class PrivateClipboardTest {
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public static void main(String[] args) {
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PrivateClipboardOwner.run();
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if (PrivateClipboardOwner.failed) {
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throw new RuntimeException("test failed: can not get actual " +
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"contents of the clipboard or set owner of the clipboard");
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} else {
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System.err.println("test passed");
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}
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}
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}
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class PrivateClipboardOwner implements ClipboardOwner {
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static boolean failed;
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private static final Object LOCK = new Object();
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private static final int CHAIN_LENGTH = 5;
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private final static Clipboard clipboard =
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new Clipboard("PrivateClipboard");
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private int m, id;
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public PrivateClipboardOwner(int m) { this.m = m; id = m; }
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public void lostOwnership(Clipboard cb, Transferable contents) {
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System.err.println(id + " lost clipboard ownership");
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Transferable t = cb.getContents(null);
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String msg = null;
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try {
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msg = (String)t.getTransferData(DataFlavor.stringFlavor);
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} catch (Exception e) {
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System.err.println(id + " can't getTransferData: " + e);
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}
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System.err.println(id + " Clipboard.getContents(): " + msg);
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if ( ! msg.equals( "" + (m+1) ) ) {
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failed = true;
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System.err.println(
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"Clipboard.getContents() returned incorrect contents!");
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}
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m += 2;
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if (m <= CHAIN_LENGTH) {
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System.err.println(id + " Clipboard.setContents(): " + m);
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cb.setContents(new StringSelection(m + ""), this);
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}
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synchronized (LOCK) {
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if (m > CHAIN_LENGTH) {
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LOCK.notifyAll();
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}
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}
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}
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public static void run() {
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PrivateClipboardOwner cbo1 = new PrivateClipboardOwner(0);
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System.err.println(cbo1.m + " Clipboard.setContents(): " + cbo1.m);
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clipboard.setContents(new StringSelection(cbo1.m + ""), cbo1);
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PrivateClipboardOwner cbo2 = new PrivateClipboardOwner(1);
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synchronized (LOCK) {
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System.err.println(cbo2.m + " Clipboard.setContents(): " + cbo2.m);
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clipboard.setContents(new StringSelection(cbo2.m + ""), cbo2);
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try {
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LOCK.wait();
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} catch (InterruptedException exc) {
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exc.printStackTrace();
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}
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}
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if (cbo1.m < CHAIN_LENGTH) {
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failed = true;
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System.err.println("chain of calls of lostOwnership() broken!");
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}
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}
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}
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