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/*
* Copyright (c) 2002, 2025, Oracle and/or its affiliates. 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.
*
* 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4638351
* @summary tests that HTML transfer doesn't cause console output
* @key headful
* @library /test/lib
* @run main HTMLTransferConsoleOutputTest
*/
import java.awt.Toolkit;
import java.awt.datatransfer.Clipboard;
import java.awt.datatransfer.ClipboardOwner;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.datatransfer.UnsupportedFlavorException;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
public class HTMLTransferConsoleOutputTest implements ClipboardOwner {
static final Clipboard clipboard =
Toolkit.getDefaultToolkit().getSystemClipboard();
static final DataFlavor dataFlavor =
new DataFlavor("text/html; class=java.lang.String", null);
static final String magic = "TESTMAGICSTRING";
static final Transferable transferable = new Transferable() {
final DataFlavor[] flavors = new DataFlavor[]{dataFlavor};
final String data = "<html><body>" + magic + "</html></body>";
public DataFlavor[] getTransferDataFlavors() {
return flavors;
}
public boolean isDataFlavorSupported(DataFlavor df) {
return dataFlavor.equals(df);
}
public Object getTransferData(DataFlavor df)
throws UnsupportedFlavorException {
if (!isDataFlavorSupported(df)) {
throw new UnsupportedFlavorException(df);
}
return data;
}
};
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
public static final int CLIPBOARD_DELAY = 1000;
public static void main(String[] args) throws Exception {
if (args.length == 0) {
HTMLTransferConsoleOutputTest htmlTransferConsoleOutputTest = new HTMLTransferConsoleOutputTest();
htmlTransferConsoleOutputTest.initialize();
return;
}
final ClipboardOwner clipboardOwner = new ClipboardOwner() {
public void lostOwnership(Clipboard clip,
Transferable contents) {
System.exit(0);
}
};
clipboard.setContents(transferable, clipboardOwner);
final Object o = new Object();
synchronized (o) {
try {
o.wait();
} catch (InterruptedException ie) {
ie.printStackTrace();
}
}
System.out.println("Test Pass!");
}
public void initialize() throws Exception {
clipboard.setContents(transferable, this);
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(
HTMLTransferConsoleOutputTest.class.getName(),
"child"
);
Process process = ProcessTools.startProcess("Child", pb);
OutputAnalyzer outputAnalyzer = new OutputAnalyzer(process);
if (!process.waitFor(15, TimeUnit.SECONDS)) {
process.destroyForcibly();
throw new TimeoutException("Timed out waiting for Child");
}
byte[] bytes = baos.toByteArray();
String string = null;
try {
string = new String(bytes, "ASCII");
} catch (UnsupportedEncodingException uee) {
uee.printStackTrace();
}
if (string.lastIndexOf(magic) != -1) {
throw new RuntimeException("Test failed. Output contains:" +
string);
}
outputAnalyzer.shouldHaveExitValue(0);
}
static class ForkOutputStream extends OutputStream {
final OutputStream outputStream1;
final OutputStream outputStream2;
public ForkOutputStream(OutputStream os1, OutputStream os2) {
outputStream1 = os1;
outputStream2 = os2;
}
public void write(int b) throws IOException {
outputStream1.write(b);
outputStream2.write(b);
}
public void flush() throws IOException {
outputStream1.flush();
outputStream2.flush();
}
public void close() throws IOException {
outputStream1.close();
outputStream2.close();
}
}
public void lostOwnership(Clipboard clip, Transferable contents) {
final Runnable r = () -> {
try {
Thread.sleep(CLIPBOARD_DELAY);
} catch (InterruptedException e) {
e.printStackTrace();
}
final PrintStream oldOut = System.out;
final PrintStream newOut =
new PrintStream(new ForkOutputStream(oldOut, baos));
Transferable t = clipboard.getContents(null);
try {
System.setOut(newOut);
t.getTransferData(dataFlavor);
System.setOut(oldOut);
} catch (IOException | UnsupportedFlavorException ioe) {
ioe.printStackTrace();
}
clipboard.setContents(transferable, null);
};
final Thread t = new Thread(r);
t.start();
}
}
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