711 setDefaultInAppContext(null);
712 }
713 } else {
714 setDefaultInAppContext(zone);
715 }
716 }
717
718 /**
719 * Returns the default TimeZone in an AppContext if any AppContext
720 * has ever used. null is returned if any AppContext hasn't been
721 * used or if the AppContext doesn't have the default TimeZone.
722 *
723 * Note that javaAWTAccess may be null if sun.awt.AppContext class hasn't
724 * been loaded. If so, it implies that AWTSecurityManager is not our
725 * SecurityManager and we can use a local static variable.
726 * This works around a build time issue.
727 */
728 private static TimeZone getDefaultInAppContext() {
729 // JavaAWTAccess provides access implementation-private methods without using reflection.
730 JavaAWTAccess javaAWTAccess = SharedSecrets.getJavaAWTAccess();
731 if (javaAWTAccess == null) {
732 return mainAppContextDefault;
733 } else {
734 if (!javaAWTAccess.isDisposed()) {
735 TimeZone tz = (TimeZone)
736 javaAWTAccess.get(TimeZone.class);
737 if (tz == null && javaAWTAccess.isMainAppContext()) {
738 return mainAppContextDefault;
739 } else {
740 return tz;
741 }
742 }
743 }
744 return null;
745 }
746
747 /**
748 * Sets the default TimeZone in the AppContext to the given
749 * tz. null is handled special: do nothing if any AppContext
750 * hasn't been used, remove the default TimeZone in the
751 * AppContext otherwise.
752 *
753 * Note that javaAWTAccess may be null if sun.awt.AppContext class hasn't
754 * been loaded. If so, it implies that AWTSecurityManager is not our
755 * SecurityManager and we can use a local static variable.
756 * This works around a build time issue.
757 */
758 private static void setDefaultInAppContext(TimeZone tz) {
759 // JavaAWTAccess provides access implementation-private methods without using reflection.
760 JavaAWTAccess javaAWTAccess = SharedSecrets.getJavaAWTAccess();
761 if (javaAWTAccess == null) {
762 mainAppContextDefault = tz;
763 } else {
764 if (!javaAWTAccess.isDisposed()) {
765 javaAWTAccess.put(TimeZone.class, tz);
766 if (javaAWTAccess.isMainAppContext()) {
767 mainAppContextDefault = null;
768 }
769 }
770 }
771 }
772
773 /**
774 * Returns true if this zone has the same rule and offset as another zone.
775 * That is, if this zone differs only in ID, if at all. Returns false
776 * if the other zone is null.
777 * @param other the <code>TimeZone</code> object to be compared with
778 * @return true if the other zone is not null and is the same as this one,
779 * with the possible exception of the ID
780 * @since 1.2
781 */
782 public boolean hasSameRules(TimeZone other) {
783 return other != null && getRawOffset() == other.getRawOffset() &&
784 useDaylightTime() == other.useDaylightTime();
785 }
786
787 /**
788 * Creates a copy of this <code>TimeZone</code>.
789 *
790 * @return a clone of this <code>TimeZone</code>
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711 setDefaultInAppContext(null);
712 }
713 } else {
714 setDefaultInAppContext(zone);
715 }
716 }
717
718 /**
719 * Returns the default TimeZone in an AppContext if any AppContext
720 * has ever used. null is returned if any AppContext hasn't been
721 * used or if the AppContext doesn't have the default TimeZone.
722 *
723 * Note that javaAWTAccess may be null if sun.awt.AppContext class hasn't
724 * been loaded. If so, it implies that AWTSecurityManager is not our
725 * SecurityManager and we can use a local static variable.
726 * This works around a build time issue.
727 */
728 private static TimeZone getDefaultInAppContext() {
729 // JavaAWTAccess provides access implementation-private methods without using reflection.
730 JavaAWTAccess javaAWTAccess = SharedSecrets.getJavaAWTAccess();
731 if (System.getSecurityManager() == null || javaAWTAccess == null) {
732 return mainAppContextDefault;
733 } else if (javaAWTAccess.isDisposed()) {
734 return null;
735 } else {
736 TimeZone tz = (TimeZone) javaAWTAccess.get(TimeZone.class);
737 if (tz == null && javaAWTAccess.isMainAppContext()) {
738 return mainAppContextDefault;
739 } else {
740 return tz;
741 }
742 }
743 }
744
745 /**
746 * Sets the default TimeZone in the AppContext to the given
747 * tz. null is handled special: do nothing if any AppContext
748 * hasn't been used, remove the default TimeZone in the
749 * AppContext otherwise.
750 *
751 * Note that javaAWTAccess may be null if sun.awt.AppContext class hasn't
752 * been loaded. If so, it implies that AWTSecurityManager is not our
753 * SecurityManager and we can use a local static variable.
754 * This works around a build time issue.
755 */
756 private static void setDefaultInAppContext(TimeZone tz) {
757 // JavaAWTAccess provides access implementation-private methods without using reflection.
758 JavaAWTAccess javaAWTAccess = SharedSecrets.getJavaAWTAccess();
759 if (System.getSecurityManager() == null || javaAWTAccess == null) {
760 mainAppContextDefault = tz;
761 } else if (!javaAWTAccess.isDisposed()) {
762 javaAWTAccess.put(TimeZone.class, tz);
763 if (javaAWTAccess.isMainAppContext()) {
764 mainAppContextDefault = null;
765 }
766 }
767 }
768
769 /**
770 * Returns true if this zone has the same rule and offset as another zone.
771 * That is, if this zone differs only in ID, if at all. Returns false
772 * if the other zone is null.
773 * @param other the <code>TimeZone</code> object to be compared with
774 * @return true if the other zone is not null and is the same as this one,
775 * with the possible exception of the ID
776 * @since 1.2
777 */
778 public boolean hasSameRules(TimeZone other) {
779 return other != null && getRawOffset() == other.getRawOffset() &&
780 useDaylightTime() == other.useDaylightTime();
781 }
782
783 /**
784 * Creates a copy of this <code>TimeZone</code>.
785 *
786 * @return a clone of this <code>TimeZone</code>
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