提交 a7819983 编写于 作者: S serb

4952954: abort flag is not cleared for every write operation for JPEG ImageWriter

Reviewed-by: bae, prr
上级 1eb22ea1
/*
* Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2015, 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
......@@ -43,8 +43,6 @@ import org.w3c.dom.Node;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.awt.image.SampleModel;
import java.awt.image.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.ColorModel;
import java.awt.image.IndexColorModel;
......@@ -1048,7 +1046,13 @@ public class JPEGImageWriter extends ImageWriter {
// Call the writer, who will call back for every scanline
clearAbortRequest();
cbLock.lock();
try {
processImageStarted(currentImage);
} finally {
cbLock.unlock();
}
boolean aborted = false;
......@@ -1225,6 +1229,23 @@ public class JPEGImageWriter extends ImageWriter {
}
}
@Override
protected synchronized void clearAbortRequest() {
setThreadLock();
try {
cbLock.check();
if (abortRequested()) {
super.clearAbortRequest();
// reset C structures
resetWriter(structPointer);
// reset the native destination
setDest(structPointer);
}
} finally {
clearThreadLock();
}
}
private void resetInternalState() {
// reset C structures
resetWriter(structPointer);
......
/*
* Copyright (c) 2015, 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.
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import javax.imageio.ImageIO;
import javax.imageio.ImageWriter;
import javax.imageio.event.IIOWriteProgressListener;
import javax.imageio.spi.IIORegistry;
import javax.imageio.spi.ImageWriterSpi;
import javax.imageio.stream.ImageOutputStream;
import static java.awt.image.BufferedImage.TYPE_BYTE_BINARY;
/**
* @test
* @bug 4952954
* @summary abortFlag must be cleared for every ImageWriter.write operation
* @author Sergey Bylokhov
*/
public final class WriteAfterAbort implements IIOWriteProgressListener {
private volatile boolean abortFlag = true;
private volatile boolean isAbortCalled;
private volatile boolean isCompleteCalled;
private volatile boolean isProgressCalled;
private volatile boolean isStartedCalled;
private static final int WIDTH = 100;
private static final int HEIGHT = 100;
private void test(final ImageWriter writer) throws IOException {
// Image initialization
final BufferedImage imageWrite = new BufferedImage(WIDTH, HEIGHT,
TYPE_BYTE_BINARY);
final Graphics2D g = imageWrite.createGraphics();
g.setColor(Color.WHITE);
g.fillRect(0, 0, WIDTH, HEIGHT);
g.dispose();
// File initialization
final File file = File.createTempFile("temp", ".img");
file.deleteOnExit();
final FileOutputStream fos = new SkipWriteOnAbortOutputStream(file);
final ImageOutputStream ios = ImageIO.createImageOutputStream(fos);
writer.setOutput(ios);
writer.addIIOWriteProgressListener(this);
// This write will be aborted, and file will not be touched
writer.write(imageWrite);
if (!isStartedCalled) {
throw new RuntimeException("Started should be called");
}
if (!isProgressCalled) {
throw new RuntimeException("Progress should be called");
}
if (!isAbortCalled) {
throw new RuntimeException("Abort should be called");
}
if (isCompleteCalled) {
throw new RuntimeException("Complete should not be called");
}
// Flush aborted data
ios.flush();
// This write should be completed successfully and the file should
// contain correct image data.
abortFlag = false;
isAbortCalled = false;
isCompleteCalled = false;
isProgressCalled = false;
isStartedCalled = false;
writer.write(imageWrite);
if (!isStartedCalled) {
throw new RuntimeException("Started should be called");
}
if (!isProgressCalled) {
throw new RuntimeException("Progress should be called");
}
if (isAbortCalled) {
throw new RuntimeException("Abort should not be called");
}
if (!isCompleteCalled) {
throw new RuntimeException("Complete should be called");
}
writer.dispose();
ios.close();
// Validates content of the file.
final BufferedImage imageRead = ImageIO.read(file);
for (int x = 0; x < WIDTH; ++x) {
for (int y = 0; y < HEIGHT; ++y) {
if (imageRead.getRGB(x, y) != imageWrite.getRGB(x, y)) {
throw new RuntimeException("Test failed.");
}
}
}
}
public static void main(final String[] args) throws IOException {
final IIORegistry registry = IIORegistry.getDefaultInstance();
final Iterator<ImageWriterSpi> iter = registry.getServiceProviders(
ImageWriterSpi.class, provider -> true, true);
// Validates all supported ImageWriters
while (iter.hasNext()) {
final WriteAfterAbort writeAfterAbort = new WriteAfterAbort();
final ImageWriter writer = iter.next().createWriterInstance();
System.out.println("ImageWriter = " + writer);
writeAfterAbort.test(writer);
}
System.out.println("Test passed");
}
// Callbacks
@Override
public void imageComplete(ImageWriter source) {
isCompleteCalled = true;
}
@Override
public void imageProgress(ImageWriter source, float percentageDone) {
isProgressCalled = true;
if (percentageDone > 50 && abortFlag) {
source.abort();
}
}
@Override
public void imageStarted(ImageWriter source, int imageIndex) {
isStartedCalled = true;
}
@Override
public void writeAborted(final ImageWriter source) {
isAbortCalled = true;
}
@Override
public void thumbnailComplete(ImageWriter source) {
}
@Override
public void thumbnailProgress(ImageWriter source, float percentageDone) {
}
@Override
public void thumbnailStarted(ImageWriter source, int imageIndex,
int thumbnailIndex) {
}
/**
* We need to skip writes on abort, because content of the file after abort
* is undefined.
*/
private class SkipWriteOnAbortOutputStream extends FileOutputStream {
SkipWriteOnAbortOutputStream(File file) throws FileNotFoundException {
super(file);
}
@Override
public void write(int b) throws IOException {
if (!abortFlag) {
super.write(b);
}
}
@Override
public void write(byte[] b) throws IOException {
if (!abortFlag) {
super.write(b);
}
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
if (!abortFlag) {
super.write(b, off, len);
}
}
}
}
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