/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, 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.impl;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Fieldable;
import org.hibernate.search.bridge.LuceneOptions;
import org.hibernate.search.bridge.TwoWayFieldBridge;
/**
* @author Hardy Ferentschik
*/
public class NullEncodingTwoWayFieldBridge implements TwoWayFieldBridge {
private final TwoWayFieldBridge fieldBridge;
private final String nullMarker;
public NullEncodingTwoWayFieldBridge(TwoWayFieldBridge fieldBridge, String nullMarker) {
this.fieldBridge = fieldBridge;
this.nullMarker = nullMarker;
}
public Object get(String name, Document document) {
Fieldable field = document.getFieldable( name );
String stringValue = field.stringValue();
if ( nullMarker.equals( stringValue ) ) {
return null;
}
else {
return fieldBridge.get( name, document );
}
}
public String objectToString(Object object) {
if ( object == null ) {
return nullMarker;
}
else {
return fieldBridge.objectToString( object );
}
}
public TwoWayFieldBridge unwrap() {
return fieldBridge;
}
public void set(String name, Object value, Document document, LuceneOptions luceneOptions) {
fieldBridge.set( name, value, document, luceneOptions );
}
}