8232853: AuthenticationFilter.Cache::remove may throw ConcurrentModificationException
Summary: Change implementation to use iterator instead of plain LinkedList
Reviewed-by: dfuchs, vtewari
/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* 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
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* questions.
*/
import java.awt.*;
import java.awt.Frame;
import java.awt.datatransfer.Clipboard;
import java.awt.font.TextAttribute;
import java.awt.im.InputMethodHighlight;
import java.awt.image.ColorModel;
import java.awt.image.ImageObserver;
import java.awt.image.ImageProducer;
import java.net.URL;
import java.util.Map;
import java.util.Properties;
/**
* @test
* @key headful
* @bug 7172833
* @summary java.awt.Toolkit methods is/setDynamicLayout() should be consistent.
* @author Sergey Bylokhov
*/
public final class bug7172833 {
public static void main(final String[] args) throws Exception {
final StubbedToolkit t = new StubbedToolkit();
final Boolean dynamicLayoutSupported
= (Boolean) t.getDesktopProperty("awt.dynamicLayoutSupported");
t.setDynamicLayout(true);
if(!t.isDynamicLayoutSet()){
throw new RuntimeException("'true' expected but 'false' returned");
}
if (dynamicLayoutSupported) {
if (!t.isDynamicLayoutActive()) {
throw new RuntimeException("is inactive but set+supported");
}
} else {
if (t.isDynamicLayoutActive()) {
throw new RuntimeException("is active but unsupported");
}
}
t.setDynamicLayout(false);
if(t.isDynamicLayoutSet()){
throw new RuntimeException("'false' expected but 'true' returned");
}
if (dynamicLayoutSupported) {
// Layout is supported and was set to false, cannot verifym because
// the native system is free to ignore our request.
} else {
if (t.isDynamicLayoutActive()) {
throw new RuntimeException("is active but unset+unsupported");
}
}
}
static final class StubbedToolkit extends Toolkit {
@Override
protected boolean isDynamicLayoutSet() throws HeadlessException {
return super.isDynamicLayoutSet();
}
@Override
public Dimension getScreenSize() throws HeadlessException {
return null;
}
@Override
public int getScreenResolution() throws HeadlessException {
return 0;
}
@Override
public ColorModel getColorModel() throws HeadlessException {
return null;
}
@Override
public String[] getFontList() {
return new String[0];
}
@Override
public FontMetrics getFontMetrics(final Font font) {
return null;
}
@Override
public void sync() {
}
@Override
public Image getImage(final String filename) {
return null;
}
@Override
public Image getImage(final URL url) {
return null;
}
@Override
public Image createImage(final String filename) {
return null;
}
@Override
public Image createImage(final URL url) {
return null;
}
@Override
public boolean prepareImage(
final Image image, final int width, final int height,
final ImageObserver observer) {
return false;
}
@Override
public int checkImage(final Image image, final int width, final int height,
final ImageObserver observer) {
return 0;
}
@Override
public Image createImage(final ImageProducer producer) {
return null;
}
@Override
public Image createImage(final byte[] imagedata, final int imageoffset,
final int imagelength) {
return null;
}
@Override
public PrintJob getPrintJob(final Frame frame, final String jobtitle,
final Properties props) {
return null;
}
@Override
public void beep() {
}
@Override
public Clipboard getSystemClipboard() throws HeadlessException {
return null;
}
@Override
protected EventQueue getSystemEventQueueImpl() {
return null;
}
@Override
public boolean isModalityTypeSupported(
final Dialog.ModalityType modalityType) {
return false;
}
@Override
public boolean isModalExclusionTypeSupported(
final Dialog.ModalExclusionType modalExclusionType) {
return false;
}
@Override
public Map<TextAttribute, ?> mapInputMethodHighlight(
final InputMethodHighlight highlight) throws HeadlessException {
return null;
}
}
}