ojluni/src/main/java/java/sql/Date.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 1996, 2010, Oracle and/or its affiliates. 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.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.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-[m]m-[d]d". The leading zero for <code>mm</code>
      * and <code>dd</code> may also be omitted.
      * @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-[m]m-[d]d)
      */
     public static Date valueOf(String s) {
         final int YEAR_LENGTH = 4;
         final int MONTH_LENGTH = 2;
         final int DAY_LENGTH = 2;
         final int MAX_MONTH = 12;
         final int MAX_DAY = 31;
         int firstDash;
         int secondDash;
         Date d = null;

         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)) {
             String yyyy = s.substring(0, firstDash);
             String mm = s.substring(firstDash + 1, secondDash);
             String dd = s.substring(secondDash + 1);
             if (yyyy.length() == YEAR_LENGTH &&
                     (mm.length() >= 1 && mm.length() <= MONTH_LENGTH) &&
                     (dd.length() >= 1 && dd.length() <= DAY_LENGTH)) {
                 int year = Integer.parseInt(yyyy);
                 int month = Integer.parseInt(mm);
                 int day = Integer.parseInt(dd);

                 if ((month >= 1 && month <= MAX_MONTH) && (day >= 1 && day <= MAX_DAY)) {
                     d = new Date(year - 1900, month - 1, day);
                 }
             }
         }
         if (d == null) {
             throw new java.lang.IllegalArgumentException();
         }

         return d;

     }


     /**
      * 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;
 }
	/*
	* Copyright (c) 1996, 2010, Oracle and/or its affiliates. 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. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.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-[m]m-[d]d". The leading zero for <code>mm</code>
	* and <code>dd</code> may also be omitted.
	* @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-[m]m-[d]d)
	*/
	public static Date valueOf(String s) {
	final int YEAR_LENGTH = 4;
	final int MONTH_LENGTH = 2;
	final int DAY_LENGTH = 2;
	final int MAX_MONTH = 12;
	final int MAX_DAY = 31;
	int firstDash;
	int secondDash;
	Date d = null;

	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)) {
	String yyyy = s.substring(0, firstDash);
	String mm = s.substring(firstDash + 1, secondDash);
	String dd = s.substring(secondDash + 1);
	if (yyyy.length() == YEAR_LENGTH &&
	(mm.length() >= 1 && mm.length() <= MONTH_LENGTH) &&
	(dd.length() >= 1 && dd.length() <= DAY_LENGTH)) {
	int year = Integer.parseInt(yyyy);
	int month = Integer.parseInt(mm);
	int day = Integer.parseInt(dd);

	if ((month >= 1 && month <= MAX_MONTH) && (day >= 1 && day <= MAX_DAY)) {
	d = new Date(year - 1900, month - 1, day);
	}
	}
	}
	if (d == null) {
	throw new java.lang.IllegalArgumentException();
	}

	return d;

	}


	/**
	* 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;
	}