8203224: java.awt.desktop.*Event classes could not be instantiated if Desktop feature is not supported
Reviewed-by: prr, kaddepalli
--- a/src/java.desktop/share/classes/java/awt/desktop/AboutEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/AboutEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,9 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
/**
* Event sent when the application is asked to open its about window.
@@ -34,12 +37,19 @@
* @since 9
*/
public final class AboutEvent extends AppEvent {
+
private static final long serialVersionUID = -5987180734802756477L;
/**
- * Constructs an {@code AboutEvent}
+ * Constructs an {@code AboutEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public AboutEvent() {
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/AppEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/AppEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -26,11 +26,13 @@
package java.awt.desktop;
import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
import java.util.EventObject;
/**
* AppEvents are sent to listeners and handlers installed on the
- * {@link java.awt.Desktop}.
+ * {@link java.awt.Desktop} instance of the current desktop context.
*
* @since 9
*/
@@ -38,8 +40,17 @@
private static final long serialVersionUID = -5958503993556009432L;
+ /**
+ * Constructs an {@code AppEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
+ */
AppEvent() {
super(Desktop.getDesktop());
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/AppForegroundEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/AppForegroundEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,9 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
/**
* Event sent when the application has become the foreground app, and when it is
@@ -36,12 +39,19 @@
* @since 9
*/
public final class AppForegroundEvent extends AppEvent {
+
private static final long serialVersionUID = -5513582555740533911L;
/**
- * Constructs an {@code AppForegroundEvent}
+ * Constructs an {@code AppForegroundEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public AppForegroundEvent() {
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/AppHiddenEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/AppHiddenEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,9 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
/**
* Event sent when the application has been hidden or shown.
@@ -35,12 +38,19 @@
* @since 9
*/
public final class AppHiddenEvent extends AppEvent {
+
private static final long serialVersionUID = 2637465279476429224L;
/**
- * Constructs an {@code AppHiddenEvent}
+ * Constructs an {@code AppHiddenEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public AppHiddenEvent() {
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/AppReopenedEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/AppReopenedEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,9 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
/**
* Event sent when the application is asked to re-open itself.
@@ -34,12 +37,19 @@
* @since 9
*/
public final class AppReopenedEvent extends AppEvent {
+
private static final long serialVersionUID = 1503238361530407990L;
/**
- * Constructs an {@code AppReopenedEvent}
+ * Constructs an {@code AppReopenedEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public AppReopenedEvent() {
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/FilesEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/FilesEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,30 +25,41 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
-
/**
* Auxiliary event containing a list of files.
*
* @since 9
*/
public class FilesEvent extends AppEvent {
+
private static final long serialVersionUID = 5271763715462312871L;
final List<File> files;
/**
- * Constructs a {@code FilesEvent}
- * @param files files
+ * Constructs a {@code FilesEvent}.
+ *
+ * @param files the list of files
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
FilesEvent(final List<File> files) {
this.files = files;
}
/**
- * Gets the list of files
+ * Gets the list of files.
+ *
* @return the list of files
*/
public List<File> getFiles() {
@@ -56,5 +67,4 @@
? null
: new ArrayList<>(files);
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/OpenFilesEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/OpenFilesEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,10 +25,12 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
import java.io.File;
import java.util.List;
-
/**
* Event sent when the app is asked to open a list of files.
*
@@ -37,13 +39,21 @@
* @since 9
*/
public final class OpenFilesEvent extends FilesEvent {
+
private static final long serialVersionUID = -3982871005867718956L;
final String searchTerm;
/**
- * Constructs an {@code OpenFilesEvent}
- * @param files files
- * @param searchTerm searchTerm
+ * Constructs an {@code OpenFilesEvent}.
+ *
+ * @param files the list of files
+ * @param searchTerm the search term
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public OpenFilesEvent(final List<File> files, final String searchTerm) {
super(files);
@@ -57,7 +67,7 @@
* term that was used to find the files. This is for example the case
* on Mac OS X, when the files were opened using the Spotlight search
* menu or a Finder search window.
- *
+ * <p>
* This is useful for highlighting the search term in the documents when
* they are opened.
*
@@ -66,5 +76,4 @@
public String getSearchTerm() {
return searchTerm;
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/OpenURIEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/OpenURIEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,9 +25,11 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
import java.net.URI;
-
/**
* Event sent when the app is asked to open a {@code URI}.
*
@@ -36,12 +38,20 @@
* @since 9
*/
public final class OpenURIEvent extends AppEvent {
+
private static final long serialVersionUID = 221209100935933476L;
final URI uri;
/**
- * Constructs an {@code OpenURIEvent}
- * @param uri {@code URI}
+ * Constructs an {@code OpenURIEvent}.
+ *
+ * @param uri the {@code URI} the app was asked to open
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public OpenURIEvent(final URI uri) {
this.uri = uri;
@@ -54,5 +64,4 @@
public URI getURI() {
return uri;
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/PreferencesEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/PreferencesEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,9 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
/**
* Event sent when the application is asked to open its preferences window.
@@ -34,12 +37,19 @@
* @since 9
*/
public final class PreferencesEvent extends AppEvent {
+
private static final long serialVersionUID = -6398607097086476160L;
/**
- * Constructs a {@code PreferencesEvent}
+ * Constructs a {@code PreferencesEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public PreferencesEvent() {
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/PrintFilesEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/PrintFilesEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -23,13 +23,14 @@
* questions.
*/
-
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
import java.io.File;
import java.util.List;
-
/**
* Event sent when the app is asked to print a list of files.
*
@@ -37,14 +38,21 @@
* @since 9
*/
public final class PrintFilesEvent extends FilesEvent {
+
private static final long serialVersionUID = -5752560876153618618L;
/**
- * Constructs a {@code PrintFilesEvent}
- * @param files files
+ * Constructs a {@code PrintFilesEvent}.
+ *
+ * @param files the list of files
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public PrintFilesEvent(final List<File> files) {
super(files);
}
-
}
--- a/src/java.desktop/share/classes/java/awt/desktop/QuitEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/QuitEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,10 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
+
/**
* Event sent when the application is asked to quit.
*
@@ -37,7 +41,14 @@
private static final long serialVersionUID = -256100795532403146L;
/**
- * Constructs a {@code QuitEvent}
+ * Constructs a {@code QuitEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public QuitEvent() {
}
--- a/src/java.desktop/share/classes/java/awt/desktop/ScreenSleepEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/ScreenSleepEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -22,8 +22,13 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
+
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
+
/**
* Event sent when the displays attached to the system enter and exit power save
* sleep.
@@ -38,7 +43,14 @@
private static final long serialVersionUID = 7521606180376544150L;
/**
- * Constructs a ScreenSleepEvent
+ * Constructs a {@code ScreenSleepEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public ScreenSleepEvent() {
}
--- a/src/java.desktop/share/classes/java/awt/desktop/SystemSleepEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/SystemSleepEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -25,6 +25,10 @@
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
+
/**
* Event sent when the system enters and exits power save sleep.
*
@@ -38,7 +42,14 @@
private static final long serialVersionUID = 11372269824930549L;
/**
- * Constructs a SystemSleepEvent
+ * Constructs a {@code SystemSleepEvent}.
+ *
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public SystemSleepEvent() {
}
--- a/src/java.desktop/share/classes/java/awt/desktop/UserSessionEvent.java Wed Jun 06 13:16:12 2018 -0700
+++ b/src/java.desktop/share/classes/java/awt/desktop/UserSessionEvent.java Wed Jun 06 15:37:10 2018 -0700
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2018, 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
@@ -22,8 +22,13 @@
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
+
package java.awt.desktop;
+import java.awt.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
+
/**
* Event sent when the user session has been changed.
*
@@ -66,9 +71,15 @@
}
/**
- * Constructs a {@code UserSessionEvent}
+ * Constructs a {@code UserSessionEvent}.
*
- * @param reason of session change
+ * @param reason the reason of the user session change
+ * @throws HeadlessException if {@link GraphicsEnvironment#isHeadless()}
+ * returns {@code true}
+ * @throws UnsupportedOperationException if Desktop API is not supported on
+ * the current platform
+ * @see Desktop#isDesktopSupported()
+ * @see java.awt.GraphicsEnvironment#isHeadless
*/
public UserSessionEvent(Reason reason) {
this.reason = reason;
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/Desktop/DesktopEventsExceptions/DesktopEventsExceptions.java Wed Jun 06 15:37:10 2018 -0700
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2018, 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.Desktop;
+import java.awt.GraphicsEnvironment;
+import java.awt.HeadlessException;
+import java.awt.desktop.AboutEvent;
+import java.awt.desktop.AppForegroundEvent;
+import java.awt.desktop.AppHiddenEvent;
+import java.awt.desktop.AppReopenedEvent;
+import java.awt.desktop.OpenFilesEvent;
+import java.awt.desktop.OpenURIEvent;
+import java.awt.desktop.PreferencesEvent;
+import java.awt.desktop.PrintFilesEvent;
+import java.awt.desktop.QuitEvent;
+import java.awt.desktop.ScreenSleepEvent;
+import java.awt.desktop.SystemSleepEvent;
+import java.awt.desktop.UserSessionEvent;
+import java.awt.desktop.UserSessionEvent.Reason;
+import java.io.File;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @test
+ * @bug 8203224
+ * @summary tests that the correct exceptions are thrown by the events classes
+ * in {code java.awt.desktop} package
+ * @run main/othervm DesktopEventsExceptions
+ * @run main/othervm -Djava.awt.headless=true DesktopEventsExceptions
+ */
+public final class DesktopEventsExceptions {
+
+ public static void main(final String[] args) {
+ // Each element of the list will creates one object to test
+ final List<Runnable> constructors = List.of(
+ AboutEvent::new,
+ AppForegroundEvent::new,
+ AppHiddenEvent::new,
+ AppReopenedEvent::new,
+ QuitEvent::new,
+ ScreenSleepEvent::new,
+ SystemSleepEvent::new,
+ PreferencesEvent::new,
+ () -> new PrintFilesEvent(Collections.emptyList()),
+ () -> new UserSessionEvent(Reason.UNSPECIFIED),
+ () -> new OpenFilesEvent(Collections.emptyList(), ""),
+ () -> new OpenURIEvent(new File("").toURI())
+ );
+
+ for (final Runnable test : constructors) {
+ try {
+ test.run();
+ checkHeadless(true);
+ checkSupported(true);
+ } catch (HeadlessException ex) {
+ checkHeadless(false);
+ } catch (UnsupportedOperationException ex) {
+ checkSupported(false);
+ }
+ }
+ }
+
+ private static void checkSupported(final boolean isSupported) {
+ if (isSupported != Desktop.isDesktopSupported()) {
+ throw new RuntimeException();
+ }
+ }
+
+ private static void checkHeadless(final boolean isHeadless) {
+ if (isHeadless == GraphicsEnvironment.isHeadless()) {
+ throw new RuntimeException();
+ }
+ }
+}