jdk/src/share/classes/java/sql/Date.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/sql/Date.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,229 @@
+/*
+ * Copyright 1996-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.sql;
+
+/**
+ * <P>A thin wrapper around a millisecond value that allows
+ * JDBC to identify this as an SQL <code>DATE</code> value.  A
+ * milliseconds value represents the number of milliseconds that
+ * have passed since January 1, 1970 00:00:00.000 GMT.
+ * <p>
+ * To conform with the definition of SQL <code>DATE</code>, the
+ * millisecond values wrapped by a <code>java.sql.Date</code> instance
+ * must be 'normalized' by setting the
+ * hours, minutes, seconds, and milliseconds to zero in the particular
+ * time zone with which the instance is associated.
+ */
+public class Date extends java.util.Date {
+
+    /**
+     * Constructs a <code>Date</code> object initialized with the given
+     * year, month, and day.
+     * <P>
+     * The result is undefined if a given argument is out of bounds.
+     *
+     * @param year the year minus 1900; must be 0 to 8099. (Note that
+     *        8099 is 9999 minus 1900.)
+     * @param month 0 to 11
+     * @param day 1 to 31
+     * @deprecated instead use the constructor <code>Date(long date)</code>
+     */
+    public Date(int year, int month, int day) {
+        super(year, month, day);
+    }
+
+    /**
+     * Constructs a <code>Date</code> object using the given milliseconds
+     * time value.  If the given milliseconds value contains time
+     * information, the driver will set the time components to the
+     * time in the default time zone (the time zone of the Java virtual
+     * machine running the application) that corresponds to zero GMT.
+     *
+     * @param date milliseconds since January 1, 1970, 00:00:00 GMT not
+     *        to exceed the milliseconds representation for the year 8099.
+     *        A negative number indicates the number of milliseconds
+     *        before January 1, 1970, 00:00:00 GMT.
+     */
+    public Date(long date) {
+        // If the millisecond date value contains time info, mask it out.
+        super(date);
+
+    }
+
+    /**
+     * Sets an existing <code>Date</code> object
+     * using the given milliseconds time value.
+     * If the given milliseconds value contains time information,
+     * the driver will set the time components to the
+     * time in the default time zone (the time zone of the Java virtual
+     * machine running the application) that corresponds to zero GMT.
+     *
+     * @param date milliseconds since January 1, 1970, 00:00:00 GMT not
+     *        to exceed the milliseconds representation for the year 8099.
+     *        A negative number indicates the number of milliseconds
+     *        before January 1, 1970, 00:00:00 GMT.
+     */
+    public void setTime(long date) {
+        // If the millisecond date value contains time info, mask it out.
+        super.setTime(date);
+    }
+
+    /**
+     * Converts a string in JDBC date escape format to
+     * a <code>Date</code> value.
+     *
+     * @param s a <code>String</code> object representing a date in
+     *        in the format "yyyy-mm-dd"
+     * @return a <code>java.sql.Date</code> object representing the
+     *         given date
+     * @throws IllegalArgumentException if the date given is not in the
+     *         JDBC date escape format (yyyy-mm-dd)
+     */
+    public static Date valueOf(String s) {
+        int year;
+        int month;
+        int day;
+        int firstDash;
+        int secondDash;
+
+        if (s == null) throw new java.lang.IllegalArgumentException();
+
+        firstDash = s.indexOf('-');
+        secondDash = s.indexOf('-', firstDash+1);
+        if ((firstDash > 0) & (secondDash > 0) & (secondDash < s.length()-1)) {
+            year = Integer.parseInt(s.substring(0, firstDash)) - 1900;
+            month = Integer.parseInt(s.substring(firstDash+1, secondDash)) - 1;
+            day = Integer.parseInt(s.substring(secondDash+1));
+        } else {
+            throw new java.lang.IllegalArgumentException();
+        }
+
+        return new Date(year, month, day);
+    }
+
+    /**
+     * Formats a date in the date escape format yyyy-mm-dd.
+     * <P>
+     * @return a String in yyyy-mm-dd format
+     */
+    public String toString () {
+        int year = super.getYear() + 1900;
+        int month = super.getMonth() + 1;
+        int day = super.getDate();
+
+        char buf[] = "2000-00-00".toCharArray();
+        buf[0] = Character.forDigit(year/1000,10);
+        buf[1] = Character.forDigit((year/100)%10,10);
+        buf[2] = Character.forDigit((year/10)%10,10);
+        buf[3] = Character.forDigit(year%10,10);
+        buf[5] = Character.forDigit(month/10,10);
+        buf[6] = Character.forDigit(month%10,10);
+        buf[8] = Character.forDigit(day/10,10);
+        buf[9] = Character.forDigit(day%10,10);
+
+        return new String(buf);
+    }
+
+    // Override all the time operations inherited from java.util.Date;
+
+   /**
+    * This method is deprecated and should not be used because SQL Date
+    * values do not have a time component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this method is invoked
+    * @see #setHours
+    */
+    public int getHours() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL Date
+    * values do not have a time component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this method is invoked
+    * @see #setMinutes
+    */
+    public int getMinutes() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL Date
+    * values do not have a time component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this method is invoked
+    * @see #setSeconds
+    */
+    public int getSeconds() {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL Date
+    * values do not have a time component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this method is invoked
+    * @see #getHours
+    */
+    public void setHours(int i) {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL Date
+    * values do not have a time component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this method is invoked
+    * @see #getMinutes
+    */
+    public void setMinutes(int i) {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * This method is deprecated and should not be used because SQL Date
+    * values do not have a time component.
+    *
+    * @deprecated
+    * @exception java.lang.IllegalArgumentException if this method is invoked
+    * @see #getSeconds
+    */
+    public void setSeconds(int i) {
+        throw new java.lang.IllegalArgumentException();
+    }
+
+   /**
+    * Private serial version unique ID to ensure serialization
+    * compatibility.
+    */
+    static final long serialVersionUID = 1511598038487230103L;
+}