/*
* Hibernate Search, full-text search for your domain model
*
* 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.search.bridge.builtin;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import org.apache.lucene.document.Document;
import org.hibernate.search.annotations.Resolution;
import org.hibernate.search.bridge.LuceneOptions;
import org.hibernate.search.bridge.TwoWayFieldBridge;
/**
* Bridge a {@code java.util.Date} truncated to the specified resolution to a numerically indexed {@code long}.
*
* GMT is used as time zone.
* <ul>
* <li>Resolution.YEAR: yyyy</li>
* <li>Resolution.MONTH: yyyyMM</li>
* <li>Resolution.DAY: yyyyMMdd</li>
* <li>Resolution.HOUR: yyyyMMddHH</li>
* <li>Resolution.MINUTE: yyyyMMddHHmm</li>
* <li>Resolution.SECOND: yyyyMMddHHmmss</li>
* <li>Resolution.MILLISECOND: yyyyMMddHHmmssSSS</li>
* </ul>
*
* @author Emmanuel Bernard
* @author Hardy Ferentschik
*/
public class NumericEncodingCalendarBridge extends NumericEncodingDateBridge {
private static final TimeZone ENCODING_TIME_ZONE = TimeZone.getTimeZone( "UTC" );
public static final TwoWayFieldBridge DATE_YEAR = new NumericEncodingCalendarBridge( Resolution.YEAR );
public static final TwoWayFieldBridge DATE_MONTH = new NumericEncodingCalendarBridge( Resolution.MONTH );
public static final TwoWayFieldBridge DATE_DAY = new NumericEncodingCalendarBridge( Resolution.DAY );
public static final TwoWayFieldBridge DATE_HOUR = new NumericEncodingCalendarBridge( Resolution.HOUR );
public static final TwoWayFieldBridge DATE_MINUTE = new NumericEncodingCalendarBridge( Resolution.MINUTE );
public static final TwoWayFieldBridge DATE_SECOND = new NumericEncodingCalendarBridge( Resolution.SECOND );
public static final TwoWayFieldBridge DATE_MILLISECOND = new NumericEncodingCalendarBridge(
Resolution.MILLISECOND
);
public NumericEncodingCalendarBridge() {
super( Resolution.MILLISECOND );
}
public NumericEncodingCalendarBridge(Resolution resolution) {
super( resolution );
}
@Override
public Object get(String name, Document document) {
Object value = super.get( name, document );
if ( value != null ) {
Calendar calendar = Calendar.getInstance( ENCODING_TIME_ZONE, Locale.ROOT );
calendar.setTime( (Date) value );
value = calendar;
}
return value;
}
@Override
public String objectToString(Object object) {
Date date = null;
if ( object != null ) {
date = ( (Calendar) object ).getTime();
}
return super.objectToString( date );
}
@Override
public void set(String name, Object value, Document document, LuceneOptions luceneOptions) {
Date date = null;
if ( value != null ) {
date = ( (Calendar) value ).getTime();
}
super.set( name, date, document, luceneOptions );
}
}