Timestamp.java (valueOf): Correctly handle nanoseconds.

2003-11-10  Gary Benson  <gbenson@redhat.com>

	* java/sql/Timestamp.java (valueOf): Correctly handle
	nanoseconds.

From-SVN: r73437

1 files changed, 26 insertions, 9 deletions

diff --git a/libjava/java/sql/Timestamp.java b/libjava/java/sql/Timestamp.java
index be0aa4d..5ec75da 100644
--- a/libjava/java/sql/Timestamp.java
+++ b/libjava/java/sql/Timestamp.java
@@ -58,11 +58,7 @@ public class Timestamp extends java.util.Date
   /**
    * Used for parsing and formatting this date.
    */
-  // Millisecond will have to be close enough for now.
-  private static SimpleDateFormat parse_sdf = 
-    new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSSS");
-
-  private static SimpleDateFormat format_sdf =
+  private static SimpleDateFormat sdf =
     new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
   /**
@@ -79,14 +75,35 @@ public class Timestamp extends java.util.Date
    */
   public static Timestamp valueOf(String str)
   {
+    int nanos = 0;
+    int dot = str.indexOf('.');
+    if (dot != -1)
+      {
+	if (str.lastIndexOf('.') != dot)
+	  throw new IllegalArgumentException(str);
+
+	int len = str.length() - dot - 1;
+	if (len < 1 || len > 9)
+	  throw new IllegalArgumentException(str);
+
+	nanos = Integer.parseInt(str.substring(dot + 1));
+	for (int i = len; i < 9; i++)
+	  nanos *= 10;
+	
+	str = str.substring(0, dot);
+
+      }
+
     try
       {
-	java.util.Date d = (java.util.Date)parse_sdf.parseObject(str);
+	java.util.Date d = (java.util.Date)sdf.parseObject(str);
 
 	if (d == null)
 	  throw new IllegalArgumentException(str);
-	else
-	  return new Timestamp(d.getTime());
+
+	Timestamp ts = new Timestamp(d.getTime() + nanos / 1000000);
+	ts.nanos = nanos;
+	return ts;
       }
     catch (ParseException e)
       {
@@ -133,7 +150,7 @@ public class Timestamp extends java.util.Date
    */
   public String toString()
   {
-    return format_sdf.format(this) + "." + getNanos();
+    return sdf.format(this) + "." + getNanos();
   }
 
   /**