From d6dbdd71a86bd79ccf888c02defeaa93bd53187d Mon Sep 17 00:00:00 2001
From: Gary Benson <gbenson@redhat.com>
Date: Fri, 13 Apr 2007 15:41:29 +0000
Subject: 2007-04-13  Gary Benson  <gbenson@redhat.com>

	* java/util/GregorianCalendar.java
	(computeFields): Moved the majority of the logic into...
	(internalComputeFields): New method.
	(setDefaultFields): Only set areFieldsSet all fields were set.
	(computeTime): Sometimes call internalComputeFields.
---
 java/util/GregorianCalendar.java | 28 ++++++++++++++++++++++++----
 1 file changed, 24 insertions(+), 4 deletions(-)

(limited to 'java')

diff --git a/java/util/GregorianCalendar.java b/java/util/GregorianCalendar.java
index bd5e6897b..fe3a3ff40 100644
--- a/java/util/GregorianCalendar.java
+++ b/java/util/GregorianCalendar.java
@@ -508,10 +508,14 @@ public class GregorianCalendar extends Calendar
    */
   private void setDefaultFields()
   {
+    boolean areAnyFieldsSet = false;
     for (int i = 0; i < FIELD_COUNT; i++)
       {
 	if (isSet[i])
-	  continue;
+	  {
+	    areAnyFieldsSet = true;
+	    continue;
+	  }
 
 	if (i == DAY_OF_WEEK)
 	  fields[i] = getFirstDayOfWeek();
@@ -521,7 +525,8 @@ public class GregorianCalendar extends Calendar
 
     // It seems odd that a call to computeTime() should cause
     // areFieldsSet to become true, but that's what Sun do...
-    areFieldsSet = true;
+    if (!areAnyFieldsSet)
+      areFieldsSet = true;
   }
   
   /**
@@ -735,7 +740,10 @@ public class GregorianCalendar extends Calendar
                                       - zone.getRawOffset());
 
     time -= rawOffset + dstOffset;
-  }
+
+    if (!areFieldsSet)
+      internalComputeFields();
+}
 
   /**
    * Get the linear day in days since the epoch, using the
@@ -847,6 +855,18 @@ public class GregorianCalendar extends Calendar
    * (<code>fields</code>).
    */
   protected synchronized void computeFields()
+  {
+    internalComputeFields();
+    for (int i = 0; i < FIELD_COUNT; i++)
+      isSet[i] = true;
+  }
+  
+  /**
+   * Converts the milliseconds since the epoch UTC
+   * (<code>time</code>) to time fields
+   * (<code>fields</code>).
+   */  
+  private void internalComputeFields()
   {
     boolean gregorian = (time >= gregorianCutover);
 
@@ -916,7 +936,7 @@ public class GregorianCalendar extends Calendar
     fields[SECOND] = millisInDay / (1000);
     fields[MILLISECOND] = millisInDay % 1000;
 
-    areFieldsSet = isSet[ERA] = isSet[YEAR] = isSet[MONTH] = isSet[WEEK_OF_YEAR] = isSet[WEEK_OF_MONTH] = isSet[DAY_OF_MONTH] = isSet[DAY_OF_YEAR] = isSet[DAY_OF_WEEK] = isSet[DAY_OF_WEEK_IN_MONTH] = isSet[AM_PM] = isSet[HOUR] = isSet[HOUR_OF_DAY] = isSet[MINUTE] = isSet[SECOND] = isSet[MILLISECOND] = isSet[ZONE_OFFSET] = isSet[DST_OFFSET] = true;
+    areFieldsSet = true;
   }
   
   /**
-- 
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