org.hibernate.type.descriptor.java.InstantJavaDescriptor 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.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import org.hibernate.type.descriptor.WrapperOptions;
/**
* Java type descriptor for the LocalDateTime type.
*
* @author Steve Ebersole
*/
public class InstantJavaDescriptor extends AbstractTypeDescriptor {
/**
* Singleton access
*/
public static final InstantJavaDescriptor INSTANCE = new InstantJavaDescriptor();
@SuppressWarnings("unchecked")
public InstantJavaDescriptor() {
super( Instant.class, ImmutableMutabilityPlan.INSTANCE );
}
@Override
public String toString(Instant value) {
return DateTimeFormatter.ISO_INSTANT.format( value );
}
@Override
public Instant fromString(String string) {
return Instant.from( DateTimeFormatter.ISO_INSTANT.parse( string ) );
}
@Override
@SuppressWarnings("unchecked")
public X unwrap(Instant instant, Class type, WrapperOptions options) {
if ( instant == null ) {
return null;
}
if ( Instant.class.isAssignableFrom( type ) ) {
return (X) instant;
}
if ( Calendar.class.isAssignableFrom( type ) ) {
final ZoneId zoneId = ZoneId.ofOffset( "UTC", ZoneOffset.UTC );
return (X) GregorianCalendar.from( instant.atZone( zoneId ) );
}
if ( java.sql.Timestamp.class.isAssignableFrom( type ) ) {
return (X) Timestamp.from( instant );
}
if ( java.sql.Date.class.isAssignableFrom( type ) ) {
return (X) java.sql.Date.from( instant );
}
if ( java.sql.Time.class.isAssignableFrom( type ) ) {
return (X) java.sql.Time.from( instant );
}
if ( java.util.Date.class.isAssignableFrom( type ) ) {
return (X) Date.from( instant );
}
if ( Long.class.isAssignableFrom( type ) ) {
return (X) Long.valueOf( instant.toEpochMilli() );
}
throw unknownUnwrap( type );
}
@Override
public Instant wrap(X value, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( Instant.class.isInstance( value ) ) {
return (Instant) value;
}
if ( Timestamp.class.isInstance( value ) ) {
final Timestamp ts = (Timestamp) value;
return ts.toInstant();
}
if ( Long.class.isInstance( value ) ) {
return Instant.ofEpochMilli( (Long) value );
}
if ( Calendar.class.isInstance( value ) ) {
final Calendar calendar = (Calendar) value;
return ZonedDateTime.ofInstant( calendar.toInstant(), calendar.getTimeZone().toZoneId() ).toInstant();
}
if ( java.util.Date.class.isInstance( value ) ) {
return ( (java.util.Date) value ).toInstant();
}
throw unknownWrap( value.getClass() );
}
}