/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 2.0, as published by the
* Free Software Foundation.
*
* This program is also distributed with certain software (including but not
* limited to OpenSSL) that is licensed under separate terms, as designated in a
* particular file or component or in included license documentation. The
* authors of MySQL hereby grant you an additional permission to link the
* program and your derivative works with the separately licensed software that
* they have included with MySQL.
*
* Without limiting anything contained in the foregoing, this file, which is
* part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
* version 1.0, a copy of which can be found at
* http://oss.oracle.com/licenses/universal-foss-exception.
*
* This program 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 2.0,
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.cj.result;
import java.sql.
Date;
import java.util.
Calendar;
import java.util.
Locale;
import java.util.
TimeZone;
import com.mysql.cj.
Messages;
import com.mysql.cj.
WarningListener;
import com.mysql.cj.conf.
PropertySet;
import com.mysql.cj.exceptions.
DataReadException;
import com.mysql.cj.exceptions.
ExceptionFactory;
import com.mysql.cj.exceptions.
WrongArgumentException;
import com.mysql.cj.protocol.
InternalDate;
import com.mysql.cj.protocol.
InternalTime;
import com.mysql.cj.protocol.
InternalTimestamp;
/**
* A value factory for creating {@link java.sql.Date} values.
*/
public class
SqlDateValueFactory extends
AbstractDateTimeValueFactory<
Date> {
private
WarningListener warningListener;
// cached per instance to avoid re-creation on every create*() call
private
Calendar cal;
public
SqlDateValueFactory(
PropertySet pset,
Calendar calendar,
TimeZone tz) {
super(
pset);
if (
calendar != null) {
this.
cal = (
Calendar)
calendar.
clone();
} else {
// c.f. Bug#11540 for details on locale
this.
cal =
Calendar.
getInstance(
tz,
Locale.
US);
this.
cal.
set(
Calendar.
MILLISECOND, 0);
this.
cal.
setLenient(false);
}
}
public
SqlDateValueFactory(
PropertySet pset,
Calendar calendar,
TimeZone tz,
WarningListener warningListener) {
this(
pset,
calendar,
tz);
this.
warningListener =
warningListener;
}
@
Override
public
Date localCreateFromDate(
InternalDate idate) {
synchronized (this.
cal) {
try {
if (
idate.
isZero()) {
throw new
DataReadException(
Messages.
getString("ResultSet.InvalidZeroDate"));
}
this.
cal.
clear();
this.
cal.
set(
idate.
getYear(),
idate.
getMonth() - 1,
idate.
getDay());
long
ms = this.
cal.
getTimeInMillis();
return new
Date(
ms);
} catch (
IllegalArgumentException e) {
throw
ExceptionFactory.
createException(
WrongArgumentException.class,
e.
getMessage(),
e);
}
}
}
@
Override
public
Date localCreateFromTime(
InternalTime it) {
if (this.
warningListener != null) {
// TODO: need column context
this.
warningListener.
warningEncountered(
Messages.
getString("ResultSet.ImplicitDatePartWarning", new
Object[] { "java.sql.Date" }));
}
synchronized (this.
cal) {
try {
// c.f. java.sql.Time "The date components should be set to the "zero epoch" value of January 1, 1970 GMT and should not be accessed."
// A new Calendar instance is used to don't spoil the date part of the default one.
Calendar c1 =
Calendar.
getInstance(
TimeZone.
getTimeZone("UTC"),
Locale.
US);
c1.
set(1970, 0, 1,
it.
getHours(),
it.
getMinutes(),
it.
getSeconds());
c1.
set(
Calendar.
MILLISECOND, 0);
long
ms = (
it.
getNanos() / 1000000) +
c1.
getTimeInMillis();
return new
Date(
ms);
} catch (
IllegalArgumentException e) {
throw
ExceptionFactory.
createException(
WrongArgumentException.class,
e.
getMessage(),
e);
}
}
}
@
Override
public
Date localCreateFromTimestamp(
InternalTimestamp its) {
if (this.
warningListener != null) {
// TODO: need column context
this.
warningListener.
warningEncountered(
Messages.
getString("ResultSet.PrecisionLostWarning", new
Object[] { "java.sql.Date" }));
}
// truncate any time information
return
createFromDate(
its);
}
public
String getTargetTypeName() {
return
Date.class.
getName();
}
}