Author: xor
Date: 2009-02-27 13:52:20 +0000 (Fri, 27 Feb 2009)
New Revision: 25849
Added:
trunk/freenet/src/freenet/support/CurrentTimeUTC.java
Log:
Add a new class which will be used by Freetalk & WoT for obtaining the UTC time
easily - Unfortunately what java provides for that is a mess :|
Added: trunk/freenet/src/freenet/support/CurrentTimeUTC.java
===================================================================
--- trunk/freenet/src/freenet/support/CurrentTimeUTC.java
(rev 0)
+++ trunk/freenet/src/freenet/support/CurrentTimeUTC.java 2009-02-27
13:52:20 UTC (rev 25849)
@@ -0,0 +1,59 @@
+/* This code is part of Freenet. It is distributed under the GNU General
+ * Public License, version 2 (or at your option any later version). See
+ * http://www.gnu.org/ for further details of the GPL. */
+package freenet.support;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+
+
+/**
+ * A wrapper class around a GregorianCalendar which always returns the current
time.
+ * This is useful for working around the pitfall of class Calendar: It only
returns the current time when you first use a get*() function,
+ * in any get*() calls after the first call, the time value of the first call
is returned. One would have to call Calendar.clear() before each
+ * get to obtain the current time and this class takes care of that for you.
+ *
+ * Further, this class is synchronized so you do not need to worry about
synchronization of a Calendar anymore.
+ */
+public class CurrentTimeUTC {
+
+ private static final GregorianCalendar mCalendar = new
GregorianCalendar(TimeZone.getTimeZone("UTC"));
+
+ public static Date get() {
+ synchronized(mCalendar) {
+ mCalendar.clear();
+ return mCalendar.getTime();
+ }
+ }
+
+ public static long getInMillis() {
+ synchronized(mCalendar) {
+ mCalendar.clear();
+ return mCalendar.getTimeInMillis();
+ }
+ }
+
+ public static int getYear() {
+ synchronized(mCalendar) {
+ mCalendar.clear();
+ return mCalendar.get(Calendar.YEAR);
+ }
+ }
+
+ public static int getMonth() {
+ synchronized(mCalendar) {
+ mCalendar.clear();
+ return mCalendar.get(Calendar.MONTH);
+ }
+ }
+
+ public static int getDayOfMonth() {
+ synchronized(mCalendar) {
+ mCalendar.clear();
+ return mCalendar.get(Calendar.DAY_OF_MONTH);
+ }
+ }
+
+}
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