org.hibernate.type.descriptor.java.LocalDateTimeJavaDescriptor Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.type.descriptor.java;
import java.sql.Timestamp;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.hibernate.type.LocalDateTimeType;
import org.hibernate.type.descriptor.WrapperOptions;
/**
* Java type descriptor for the LocalDateTime type.
*
* @author Steve Ebersole
*/
public class LocalDateTimeJavaDescriptor extends AbstractTypeDescriptor {
/**
* Singleton access
*/
public static final LocalDateTimeJavaDescriptor INSTANCE = new LocalDateTimeJavaDescriptor();
@SuppressWarnings("unchecked")
public LocalDateTimeJavaDescriptor() {
super( LocalDateTime.class, ImmutableMutabilityPlan.INSTANCE );
}
@Override
public String toString(LocalDateTime value) {
return LocalDateTimeType.FORMATTER.format( value );
}
@Override
public LocalDateTime fromString(String string) {
return LocalDateTime.from( LocalDateTimeType.FORMATTER.parse( string ) );
}
@Override
@SuppressWarnings("unchecked")
public X unwrap(LocalDateTime value, Class type, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( LocalDateTime.class.isAssignableFrom( type ) ) {
return (X) value;
}
if ( java.sql.Timestamp.class.isAssignableFrom( type ) ) {
/*
* Workaround for HHH-13266 (JDK-8061577).
* We used to do Timestamp.from( value.atZone( ZoneId.systemDefault() ).toInstant() ),
* but on top of being more complex than the line below, it won't always work.
* Timestamp.from() assumes the number of milliseconds since the epoch
* means the same thing in Timestamp and Instant, but it doesn't, in particular before 1900.
*/
return (X) Timestamp.valueOf( value );
}
if ( java.sql.Date.class.isAssignableFrom( type ) ) {
Instant instant = value.atZone( ZoneId.systemDefault() ).toInstant();
return (X) java.sql.Date.from( instant );
}
if ( java.sql.Time.class.isAssignableFrom( type ) ) {
Instant instant = value.atZone( ZoneId.systemDefault() ).toInstant();
return (X) java.sql.Time.from( instant );
}
if ( java.util.Date.class.isAssignableFrom( type ) ) {
Instant instant = value.atZone( ZoneId.systemDefault() ).toInstant();
return (X) java.util.Date.from( instant );
}
if ( Calendar.class.isAssignableFrom( type ) ) {
return (X) GregorianCalendar.from( value.atZone( ZoneId.systemDefault() ) );
}
if ( Long.class.isAssignableFrom( type ) ) {
Instant instant = value.atZone( ZoneId.systemDefault() ).toInstant();
return (X) Long.valueOf( instant.toEpochMilli() );
}
throw unknownUnwrap( type );
}
@Override
public LocalDateTime wrap(X value, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( LocalDateTime.class.isInstance( value ) ) {
return (LocalDateTime) value;
}
if ( Timestamp.class.isInstance( value ) ) {
final Timestamp ts = (Timestamp) value;
/*
* Workaround for HHH-13266 (JDK-8061577).
* We used to do LocalDateTime.ofInstant( ts.toInstant(), ZoneId.systemDefault() ),
* but on top of being more complex than the line below, it won't always work.
* ts.toInstant() assumes the number of milliseconds since the epoch
* means the same thing in Timestamp and Instant, but it doesn't, in particular before 1900.
*/
return ts.toLocalDateTime();
}
if ( Long.class.isInstance( value ) ) {
final Instant instant = Instant.ofEpochMilli( (Long) value );
return LocalDateTime.ofInstant( instant, ZoneId.systemDefault() );
}
if ( Calendar.class.isInstance( value ) ) {
final Calendar calendar = (Calendar) value;
return LocalDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() );
}
if ( Date.class.isInstance( value ) ) {
final Timestamp ts = (Timestamp) value;
final Instant instant = Instant.ofEpochMilli( ts.getTime() );
return LocalDateTime.ofInstant( instant, ZoneId.systemDefault() );
}
throw unknownWrap( value.getClass() );
}
}