/*
* 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 http://www.gnu.org/licenses/lgpl-2.1.html
*/
package org.hibernate.orm.type.descriptor.java.internal;
import java.sql.Time;
import java.sql.Types;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import javax.persistence.TemporalType;
import org.hibernate.HibernateException;
import org.hibernate.orm.type.descriptor.java.spi.AbstractBasicTypeDescriptor;
import org.hibernate.orm.type.descriptor.java.spi.MutableMutabilityPlan;
import org.hibernate.orm.type.descriptor.java.spi.TemporalJavaTypeDescriptor;
import org.hibernate.orm.type.descriptor.spi.JdbcRecommendedSqlTypeMappingContext;
import org.hibernate.orm.type.descriptor.spi.WrapperOptions;
import org.hibernate.orm.type.descriptor.sql.spi.SqlTypeDescriptor;
import org.hibernate.orm.type.spi.TypeConfiguration;
/**
* Descriptor for {@link Time} handling.
*
* @author Steve Ebersole
*/
public class JdbcTimeJavaDescriptor extends AbstractBasicTypeDescriptor<Date> implements TemporalJavaTypeDescriptor<Date> {
public static final JdbcTimeJavaDescriptor INSTANCE = new JdbcTimeJavaDescriptor();
public static final String TIME_FORMAT = "HH:mm:ss";
public static class TimeMutabilityPlan extends MutableMutabilityPlan<Date> {
public static final TimeMutabilityPlan INSTANCE = new TimeMutabilityPlan();
@Override
public Date deepCopyNotNull(Date value) {
return Time.class.isInstance( value )
? new Time( value.getTime() )
: new Date( value.getTime() );
}
}
public JdbcTimeJavaDescriptor() {
super( Date.class, TimeMutabilityPlan.INSTANCE );
}
@Override
public String toString(Date value) {
return new SimpleDateFormat( TIME_FORMAT ).format( value );
}
@Override
public Date fromString(String string) {
try {
return new Time( new SimpleDateFormat( TIME_FORMAT ).parse( string ).getTime() );
}
catch ( ParseException pe ) {
throw new HibernateException( "could not parse time string" + string, pe );
}
}
@Override
public SqlTypeDescriptor getJdbcRecommendedSqlType(JdbcRecommendedSqlTypeMappingContext context) {
return context.getTypeConfiguration().getSqlTypeDescriptorRegistry().getDescriptor( Types.TIME );
}
@Override
public int extractHashCode(Date value) {
Calendar calendar = Calendar.getInstance();
calendar.setTime( value );
int hashCode = 1;
hashCode = 31 * hashCode + calendar.get( Calendar.HOUR_OF_DAY );
hashCode = 31 * hashCode + calendar.get( Calendar.MINUTE );
hashCode = 31 * hashCode + calendar.get( Calendar.SECOND );
hashCode = 31 * hashCode + calendar.get( Calendar.MILLISECOND );
return hashCode;
}
@Override
public boolean areEqual(Date one, Date another) {
if ( one == another ) {
return true;
}
if ( one == null || another == null ) {
return false;
}
if ( one.getTime() == another.getTime() ) {
return true;
}
Calendar calendar1 = Calendar.getInstance();
Calendar calendar2 = Calendar.getInstance();
calendar1.setTime( one );
calendar2.setTime( another );
return calendar1.get( Calendar.HOUR_OF_DAY ) == calendar2.get( Calendar.HOUR_OF_DAY )
&& calendar1.get( Calendar.MINUTE ) == calendar2.get( Calendar.MINUTE )
&& calendar1.get( Calendar.SECOND ) == calendar2.get( Calendar.SECOND )
&& calendar1.get( Calendar.MILLISECOND ) == calendar2.get( Calendar.MILLISECOND );
}
@SuppressWarnings({ "unchecked" })
@Override
public <X> X unwrap(Date value, Class<X> type, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( Time.class.isAssignableFrom( type ) ) {
final Time rtn = Time.class.isInstance( value )
? ( Time ) value
: new Time( value.getTime() );
return (X) rtn;
}
if ( java.sql.Date.class.isAssignableFrom( type ) ) {
final java.sql.Date rtn = java.sql.Date.class.isInstance( value )
? ( java.sql.Date ) value
: new java.sql.Date( value.getTime() );
return (X) rtn;
}
if ( java.sql.Timestamp.class.isAssignableFrom( type ) ) {
final java.sql.Timestamp rtn = java.sql.Timestamp.class.isInstance( value )
? ( java.sql.Timestamp ) value
: new java.sql.Timestamp( value.getTime() );
return (X) rtn;
}
if ( Date.class.isAssignableFrom( type ) ) {
return (X) value;
}
if ( Calendar.class.isAssignableFrom( type ) ) {
final GregorianCalendar cal = new GregorianCalendar();
cal.setTimeInMillis( value.getTime() );
return (X) cal;
}
if ( Long.class.isAssignableFrom( type ) ) {
return (X) Long.valueOf( value.getTime() );
}
throw unknownUnwrap( type );
}
@Override
public <X> Date wrap(X value, WrapperOptions options) {
if ( value == null ) {
return null;
}
if ( Time.class.isInstance( value ) ) {
return (Time) value;
}
if ( Long.class.isInstance( value ) ) {
return new Time( (Long) value );
}
if ( Calendar.class.isInstance( value ) ) {
return new Time( ( (Calendar) value ).getTimeInMillis() );
}
if ( Date.class.isInstance( value ) ) {
return (Date) value;
}
throw unknownWrap( value.getClass() );
}
@Override
public TemporalType getPrecision() {
return TemporalType.TIME;
}
@Override
@SuppressWarnings("unchecked")
public <X> TemporalJavaTypeDescriptor<X> resolveTypeForPrecision(TemporalType precision, TypeConfiguration scope) {
final TemporalJavaTypeDescriptor jdbcTimestampDescriptor = (TemporalJavaTypeDescriptor) scope.getJavaTypeDescriptorRegistry()
.getDescriptor( java.sql.Timestamp.class );
return jdbcTimestampDescriptor.resolveTypeForPrecision( precision, scope );
}
}