Initial Checkin

1 files changed, 279 insertions, 0 deletions

diff --git a/java/sql/Timestamp.java b/java/sql/Timestamp.java
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--- /dev/null
+++ b/java/sql/Timestamp.java
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+/*************************************************************************
+/* Time.java -- Wrapper around java.util.Date
+/*
+/* Copyright (c) 1999 Free Software Foundation, Inc.
+/* Written by Aaron M. Renn (arenn@urbanophile.com)
+/*
+/* This library is free software; you can redistribute it and/or modify
+/* it under the terms of the GNU Library General Public License as published 
+/* by the Free Software Foundation, either version 2 of the License, or
+/* (at your option) any later verion.
+/*
+/* This library is distributed in the hope that it will be useful, but
+/* WITHOUT ANY WARRANTY; without even the implied warranty of
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+/* GNU Library General Public License for more details.
+/*
+/* You should have received a copy of the GNU Library General Public License
+/* along with this library; if not, write to the Free Software Foundation
+/* Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
+/*************************************************************************/
+
+package java.sql;
+
+import java.text.SimpleDateFormat;
+
+/**
+  * This class is a wrapper around java.util.Date to allow the JDBC
+  * driver to identify the value as a SQL Timestamp.  Note that this
+  * class also adds an additional field for nano-seconds, and so 
+  * is not completely identical to <code>java.util.Date</code> as
+  * the <code>java.sql.Date</code> and <code>java.sql.Time</code>
+  * classes are.
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+public class Timestamp extends java.util.Date
+{
+
+/*
+ * Class Variables
+ */
+
+/**
+  * 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 =
+  new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+
+/*************************************************************************/
+
+/*
+ * Instance Variables
+ */
+
+/**
+  * @serial The nanosecond value for this object
+  */
+private int nanos;
+
+/*************************************************************************/
+
+/*
+ * Class Methods
+ */
+
+/**
+  * This method returns a new instance of this class by parsing a
+  * date in JDBC format into a Java date.
+  *
+  * @param str The string to parse.
+  *
+  * @return The resulting <code>java.sql.Timestamp</code> value. 
+  */
+public static Timestamp
+valueOf(String str)
+{
+  try
+    {
+      Date d = (Date)parse_sdf.parseObject(str);
+      return(new Timestamp(d.getTime()));
+    }
+  catch(Exception e)
+    {
+      return(null);
+    }
+}
+
+/*************************************************************************/
+
+/*
+ * Constructors
+ */
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified year, month, and day.
+  *
+  * @param year The year for this Timestamp (year - 1900)
+  * @param month The month for this Timestamp (0-11)
+  * @param day The day for this Timestamp (1-31)
+  * @param hour The hour for this Timestamp (0-23)
+  * @param minute The minute for this Timestamp (0-59)
+  * @param second The second for this Timestamp (0-59)
+  * @param nanos The nanosecond value for this Timestamp (0 to 999,999,9999)
+  *
+  * @deprecated
+  */
+public 
+Timestamp(int year, int month, int day, int hour, int minute, int second,
+          int nanos)
+{
+  super(year, month, day, hour, minute, second);
+
+  this.nanos = nanos;
+}
+
+/*************************************************************************/
+
+/**
+  * This method initializes a new instance of this class with the
+  * specified time value representing the number of seconds since 
+  * Jan 1, 1970 at 12:00 midnight GMT.
+  *
+  * @param time The time value to intialize this <code>Time</code> to.
+  */
+public
+Timestamp(long date)
+{
+  super(date);
+}
+
+/*************************************************************************/
+
+/*
+ * Instance Methods
+ */
+
+/**
+  * This method returns this date in JDBC format.
+  *
+  * @return This date as a string.
+  */
+public String
+toString()
+{
+  return(format_sdf.format(this) + "." + getNanos());
+}
+
+/*************************************************************************/
+
+/**
+  * This method returns the nanosecond value for this object.
+  *
+  * @return The nanosecond value for this object.
+  */
+public int
+getNanos()
+{
+  return(nanos);
+}
+
+/*************************************************************************/
+
+/**
+  * This method sets the nanosecond value for this object.
+  *
+  * @param nanos The nanosecond value for this object.
+  */
+public void
+setNanos(int nanos)
+{
+  this.nanos = nanos;
+}
+
+/*************************************************************************/
+
+/**
+  * This methods tests whether this object is earlier than the specified
+  * object.
+  *
+  * @param ts The other <code>Timestamp</code> to test against.
+  *
+  * @return <code>true</code> if this object is earlier than the other object,
+  * <code>false</code> otherwise.
+  */
+public boolean
+before(Timestamp ts)
+{
+  if (ts.getTime() > getTime())
+    return(true);
+
+  if (ts.getNanos() > getNanos())
+    return(true);
+
+  return(false);
+}
+
+/*************************************************************************/
+
+/**
+  * This methods tests whether this object is later than the specified
+  * object.
+  *
+  * @param ts The other <code>Timestamp</code> to test against.
+  *
+  * @return <code>true</code> if this object is later than the other object,
+  * <code>false</code> otherwise.
+  */
+public boolean
+after(Timestamp ts)
+{
+  if (ts.getTime() < getTime())
+    return(true);
+
+  if (ts.getNanos() < getNanos())
+    return(true);
+
+  return(false);
+}
+
+/*************************************************************************/
+
+/**
+  * This method these the specified <code>Object</code> for equality
+  * against this object.  This will be true if an only if the specified
+  * object is an instance of <code>Timestamp</code> and has the same
+  * time value fields.
+  *
+  * @param obj The object to test against for equality.
+  *
+  * @return <code>true</code> if the specified object is equal to this
+  * object, <code>false</code> otherwise.
+  */
+public boolean
+equals(Object obj)
+{
+  if (obj == null)
+    return(false);
+
+  if (!(obj instanceof Timestamp))
+    return(false);
+
+  return(equals((Timestamp)obj));
+}
+
+/*************************************************************************/
+
+/**
+  * This method tests the specified timestamp for equality against this
+  * object.  This will be true if and only if the specified object is
+  * not <code>null</code> and contains all the same time value fields
+  * as this object.
+  *
+  * @param ts The <code>Timestamp</code> to test against for equality.
+  *
+  * @return <code>true</code> if the specified object is equal to this
+  * object, <code>false</code> otherwise.
+  */
+public boolean
+equals(Timestamp ts)
+{
+  if (ts == null)
+    return(false);
+
+  if (ts.getTime() != getTime())
+    return(false);
+
+  if (ts.getNanos() != getNanos())
+    return(false);
+
+  return(true);
+}
+
+} // class Timestamp
+