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Posted to commits@harmony.apache.org by ap...@apache.org on 2008/03/10 23:32:15 UTC
svn commit: r635734 -
/harmony/enhanced/classlib/trunk/modules/awt/src/main/java/common/java/awt/GraphicsEnvironment.java
Author: apavlenko
Date: Mon Mar 10 15:32:05 2008
New Revision: 635734
URL: http://svn.apache.org/viewvc?rev=635734&view=rev
Log:
The property java.awt.headless should be read in a privileged mode
Modified:
harmony/enhanced/classlib/trunk/modules/awt/src/main/java/common/java/awt/GraphicsEnvironment.java
Modified: harmony/enhanced/classlib/trunk/modules/awt/src/main/java/common/java/awt/GraphicsEnvironment.java
URL: http://svn.apache.org/viewvc/harmony/enhanced/classlib/trunk/modules/awt/src/main/java/common/java/awt/GraphicsEnvironment.java?rev=635734&r1=635733&r2=635734&view=diff
==============================================================================
--- harmony/enhanced/classlib/trunk/modules/awt/src/main/java/common/java/awt/GraphicsEnvironment.java (original)
+++ harmony/enhanced/classlib/trunk/modules/awt/src/main/java/common/java/awt/GraphicsEnvironment.java Mon Mar 10 15:32:05 2008
@@ -22,6 +22,8 @@
package java.awt;
import java.awt.image.BufferedImage;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
import java.util.Locale;
import org.apache.harmony.awt.ContextStorage;
@@ -29,6 +31,9 @@
public abstract class GraphicsEnvironment {
+
+ static Boolean isHeadless;
+
protected GraphicsEnvironment() {}
public static GraphicsEnvironment getLocalGraphicsEnvironment() {
@@ -55,7 +60,15 @@
}
public static boolean isHeadless() {
- return "true".equals(System.getProperty("java.awt.headless"));
+ if (isHeadless == null) {
+ isHeadless = AccessController.doPrivileged(new PrivilegedAction<Boolean>() {
+ public Boolean run() {
+ return "true".equals(System.getProperty("java.awt.headless")); //$NON-NLS-1$ //$NON-NLS-2$
+ }
+ });
+ }
+
+ return isHeadless.booleanValue();
}
public Rectangle getMaximumWindowBounds() throws HeadlessException {