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Java Source | 1998-03-20 | 4.2 KB | 185 lines |
- /*
- * @(#)Time.java 1.11 98/03/18
- *
- * Copyright 1996-1998 by Sun Microsystems, Inc.,
- * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
- * All rights reserved.
- *
- * This software is the confidential and proprietary information
- * of Sun Microsystems, Inc. ("Confidential Information"). You
- * shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement
- * you entered into with Sun.
- */
-
- package java.sql;
-
- /**
- * <P>This class is a thin wrapper around java.util.Date that allows
- * JDBC to identify this as a SQL TIME value. It adds formatting and
- * parsing operations to support the JDBC escape syntax for time
- * values.
- */
- public class Time extends java.util.Date {
-
- /**
- * Construct a Time Object
- *
- * @param hour 0 to 23
- * @param minute 0 to 59
- * @param second 0 to 59
- */
- public Time(int hour, int minute, int second) {
- super(70, 0, 1, hour, minute, second);
- }
-
- /**
- * Construct a Time using a milliseconds time value
- *
- * @param time milliseconds since January 1, 1970, 00:00:00 GMT
- */
- public Time(long time) {
- // If the millisecond time value contains date info, mask it out.
- super(time);
- int hours = getHours();
- int minutes = getMinutes();
- int seconds = getSeconds();
- super.setTime(0);
- setHours(hours);
- setMinutes(minutes);
- setSeconds(seconds);
- }
-
- /**
- * Set a Time using a milliseconds time value
- *
- * @param time milliseconds since January 1, 1970, 00:00:00 GMT
- */
- public void setTime(long time) {
- // If the millisecond time value contains date info, mask it out.
- super.setTime(time);
- int hours = getHours();
- int minutes = getMinutes();
- int seconds = getSeconds();
- super.setTime(0);
- setHours(hours);
- setMinutes(minutes);
- setSeconds(seconds);
- }
-
- /**
- * Convert a string in JDBC time escape format to a Time value
- *
- * @param s time in format "hh:mm:ss"
- * @return corresponding Time
- */
- public static Time valueOf(String s) {
- int hour;
- int minute;
- int second;
- int firstColon;
- int secondColon;
-
- if (s == null) throw new java.lang.IllegalArgumentException();
-
- firstColon = s.indexOf(':');
- secondColon = s.indexOf(':', firstColon+1);
- if ((firstColon > 0) & (secondColon > 0) &
- (secondColon < s.length()-1)) {
- hour = Integer.parseInt(s.substring(0, firstColon));
- minute =
- Integer.parseInt(s.substring(firstColon+1, secondColon));
- second = Integer.parseInt(s.substring(secondColon+1));
- } else {
- throw new java.lang.IllegalArgumentException();
- }
-
- return new Time(hour, minute, second);
- }
-
- /**
- * Format a time in JDBC date escape format
- *
- * @return a String in hh:mm:ss format
- */
- public String toString () {
- int hour = super.getHours();
- int minute = super.getMinutes();
- int second = super.getSeconds();
- String hourString;
- String minuteString;
- String secondString;
-
- if (hour < 10) {
- hourString = "0" + hour;
- } else {
- hourString = Integer.toString(hour);
- }
- if (minute < 10) {
- minuteString = "0" + minute;
- } else {
- minuteString = Integer.toString(minute);
- }
- if (second < 10) {
- secondString = "0" + second;
- } else {
- secondString = Integer.toString(second);
- }
- return (hourString + ":" + minuteString + ":" + secondString);
- }
-
- // Override all the date operations inherited from java.util.Date;
-
- /**
- * @deprecated
- */
- public int getYear() {
- throw new java.lang.IllegalArgumentException();
- }
-
- /**
- * @deprecated
- */
- public int getMonth() {
- throw new java.lang.IllegalArgumentException();
- }
-
- /**
- * @deprecated
- */
- public int getDay() {
- throw new java.lang.IllegalArgumentException();
- }
-
- /**
- * @deprecated
- */
- public int getDate() {
- throw new java.lang.IllegalArgumentException();
- }
-
- /**
- * @deprecated
- */
- public void setYear(int i) {
- throw new java.lang.IllegalArgumentException();
- }
-
- /**
- * @deprecated
- */
- public void setMonth(int i) {
- throw new java.lang.IllegalArgumentException();
- }
-
- /**
- * @deprecated
- */
- public void setDate(int i) {
- throw new java.lang.IllegalArgumentException();
- }
- }
-
-
-
-