/*
* Copyright ( c ) 1996 , 2020 , 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;
import java.time.Instant;
import java.time.LocalTime;
/**
* < P > A thin wrapper around the { @ code java . util . Date } class that allows the JDBC
* API to identify this as an SQL { @ code TIME } value . The { @ code Time }
* class adds formatting and
* parsing operations to support the JDBC escape syntax for time
* values .
* < p > The date components should be set to the " zero epoch "
* value of January 1 , 1970 and should not be accessed .
*
* @ since 1 . 1
*/
public class Time extends java.util.Date {
/**
* Constructs a { @ code Time } object initialized with the
* given values for the hour , minute , and second .
* The driver sets the date components to January 1 , 1970 .
* Any method that attempts to access the date components of a
* { @ code Time } object will throw a
* { @ code java . lang . IllegalArgumentException } .
* < P >
* The result is undefined if a given argument is out of bounds .
*
* @ param hour 0 to 23
* @ param minute 0 to 59
* @ param second 0 to 59
*
* @ deprecated Use the constructor that takes a milliseconds value
* in place of this constructor
*/
@Deprecated(since="1.2" )
public Time(int hour, int minute, int second) {
super (70 , 0 , 1 , hour, minute, second);
}
/**
* Constructs a { @ code Time } object using a milliseconds time value .
*
* @ param time milliseconds since January 1 , 1970 , 00 : 00 : 00 GMT ;
* a negative number is milliseconds before
* January 1 , 1970 , 00 : 00 : 00 GMT
*/
public Time(long time) {
super (time);
}
/**
* Sets a { @ code Time } object using a milliseconds time value .
*
* @ param time milliseconds since January 1 , 1970 , 00 : 00 : 00 GMT ;
* a negative number is milliseconds before
* January 1 , 1970 , 00 : 00 : 00 GMT
*/
public void setTime(long time) {
super .setTime(time);
}
/**
* Converts a string in JDBC time escape format to a { @ code Time } value .
*
* @ param s time in format " hh : mm : ss "
* @ return a corresponding { @ code Time } object
*/
public static Time valueOf(String s) {
if (s == null ) throw new java.lang.IllegalArgumentException();
int hour;
int minute;
int second;
int firstColon = s.indexOf(':' );
int secondColon = s.indexOf(':' , firstColon + 1 );
int len = s.length();
if (firstColon > 0 && secondColon > 0 &&
secondColon < len - 1 ) {
hour = Integer.parseInt(s, 0 , firstColon, 10 );
minute = Integer.parseInt(s, firstColon + 1 , secondColon, 10 );
second = Integer.parseInt(s, secondColon + 1 , len, 10 );
} else {
throw new java.lang.IllegalArgumentException();
}
return new Time(hour, minute, second);
}
/**
* Formats a time in JDBC time escape format .
*
* @ return a { @ code String } in hh : mm : ss format
*/
@SuppressWarnings("deprecation" )
public String toString () {
int hour = super .getHours();
int minute = super .getMinutes();
int second = super .getSeconds();
char [] buf = new char [8 ];
Date.formatDecimalInt(hour, buf, 0 , 2 );
buf[2 ] = ':' ;
Date.formatDecimalInt(minute, buf, 3 , 2 );
buf[5 ] = ':' ;
Date.formatDecimalInt(second, buf, 6 , 2 );
return new String(buf);
}
// Override all the date operations inherited from java.util.Date;
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a year component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
* @ see # setYear
*/
@Deprecated(since="1.2" )
public int getYear() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a month component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
* @ see # setMonth
*/
@Deprecated(since="1.2" )
public int getMonth() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a day component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
*/
@Deprecated(since="1.2" )
public int getDay() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a date component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
* @ see # setDate
*/
@Deprecated(since="1.2" )
public int getDate() {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a year component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
* @ see # getYear
*/
@Deprecated(since="1.2" )
public void setYear(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a month component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
* @ see # getMonth
*/
@Deprecated(since="1.2" )
public void setMonth(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* This method is deprecated and should not be used because SQL { @ code TIME }
* values do not have a date component .
*
* @ deprecated
* @ throws java . lang . IllegalArgumentException if this
* method is invoked
* @ see # getDate
*/
@Deprecated(since="1.2" )
public void setDate(int i) {
throw new java.lang.IllegalArgumentException();
}
/**
* Private serial version unique ID to ensure serialization
* compatibility .
*/
static final long serialVersionUID = 8397324403548013681 L;
/**
* Obtains an instance of { @ code Time } from a { @ link LocalTime } object
* with the same hour , minute and second time value as the given
* { @ code LocalTime } . The nanosecond field from { @ code LocalTime } is
* not part of the newly created { @ code Time } object .
*
* @ param time a { @ code LocalTime } to convert
* @ return a { @ code Time } object
* @ throws NullPointerException if { @ code time } is null
* @ since 1 . 8
*/
@SuppressWarnings("deprecation" )
public static Time valueOf(LocalTime time) {
return new Time(time.getHour(), time.getMinute(), time.getSecond());
}
/**
* Converts this { @ code Time } object to a { @ code LocalTime } .
* < p >
* The conversion creates a { @ code LocalTime } that represents the same
* hour , minute , and second time value as this { @ code Time } . The
* nanosecond { @ code LocalTime } field will be set to zero .
*
* @ return a { @ code LocalTime } object representing the same time value
* @ since 1 . 8
*/
@SuppressWarnings("deprecation" )
public LocalTime toLocalTime() {
return LocalTime.of(getHours(), getMinutes(), getSeconds());
}
/**
* This method always throws an UnsupportedOperationException and should
* not be used because SQL { @ code Time } values do not have a date
* component .
*
* @ throws java . lang . UnsupportedOperationException if this method is invoked
*/
@Override
public Instant toInstant() {
throw new java.lang.UnsupportedOperationException();
}
}
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