/* $Id: DateBridge.java 18070 2009-11-26 07:48:17Z sannegrinovero $
*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009, Red Hat, Inc. and/or its affiliates or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat, Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.search.bridge.builtin;
import java.text.ParseException;
import java.util.Date;
import java.util.Locale;
import java.util.Map;
import org.apache.lucene.document.DateTools;
import org.hibernate.search.SearchException;
import org.hibernate.search.bridge.ParameterizedBridge;
import org.hibernate.search.annotations.Resolution;
import org.hibernate.search.bridge.TwoWayStringBridge;
import org.hibernate.util.StringHelper;
/**
* Bridge a java.util.Date to a String, truncated to the resolution
* Date are stored GMT based
* <p/>
* ie
* Resolution.YEAR: yyyy
* Resolution.MONTH: yyyyMM
* Resolution.DAY: yyyyMMdd
* Resolution.HOUR: yyyyMMddHH
* Resolution.MINUTE: yyyyMMddHHmm
* Resolution.SECOND: yyyyMMddHHmmss
* Resolution.MILLISECOND: yyyyMMddHHmmssSSS
*
* @author Emmanuel Bernard
*/
//TODO split into StringBridge and TwoWayStringBridge?
public class DateBridge implements TwoWayStringBridge, ParameterizedBridge {
public static final TwoWayStringBridge DATE_YEAR = new DateBridge( Resolution.YEAR );
public static final TwoWayStringBridge DATE_MONTH = new DateBridge( Resolution.MONTH );
public static final TwoWayStringBridge DATE_DAY = new DateBridge( Resolution.DAY );
public static final TwoWayStringBridge DATE_HOUR = new DateBridge( Resolution.HOUR );
public static final TwoWayStringBridge DATE_MINUTE = new DateBridge( Resolution.MINUTE );
public static final TwoWayStringBridge DATE_SECOND = new DateBridge( Resolution.SECOND );
public static final TwoWayStringBridge DATE_MILLISECOND = new DateBridge( Resolution.MILLISECOND );
private DateTools.Resolution resolution;
public DateBridge() {
}
public DateBridge(Resolution resolution) {
this.resolution = DateResolutionUtil.getLuceneResolution(resolution);
}
public Object stringToObject(String stringValue) {
if ( StringHelper.isEmpty( stringValue ) ) return null;
try {
return DateTools.stringToDate( stringValue );
}
catch (ParseException e) {
throw new SearchException( "Unable to parse into date: " + stringValue, e );
}
}
public String objectToString(Object object) {
return object != null ?
DateTools.dateToString( (Date) object, resolution ) :
null;
}
public void setParameterValues(Map parameters) {
Object resolution = parameters.get( "resolution" );
Resolution hibResolution;
if ( resolution instanceof String ) {
hibResolution = Resolution.valueOf( ( (String) resolution ).toUpperCase( Locale.ENGLISH ) );
}
else {
hibResolution = (Resolution) resolution;
}
this.resolution = DateResolutionUtil.getLuceneResolution( hibResolution );
}
}