/*
* 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.TwoWayFieldBridge;
import org.hibernate.search.bridge.TwoWayStringBridge;
import org.hibernate.search.engine.impl.DocumentBuilderHelper;
/**
* Bridge to use a TwoWayStringBridge as a TwoWayFieldBridge
*
* @author Emmanuel Bernard
*/
//TODO use Generics to avoid double declaration of stringBridge
public class TwoWayString2FieldBridgeAdaptor extends String2FieldBridgeAdaptor implements TwoWayFieldBridge {
private final TwoWayStringBridge stringBridge;
public TwoWayString2FieldBridgeAdaptor(TwoWayStringBridge stringBridge) {
super( stringBridge );
this.stringBridge = stringBridge;
}
@Override
public String objectToString(Object object) {
return stringBridge.objectToString( object );
}
@Override
public Object get(String name, Document document) {
Fieldable field = document.getFieldable( name );
if ( field == null ) {
return stringBridge.stringToObject( null );
}
else {
String stringValue = DocumentBuilderHelper.extractStringFromFieldable( field );
return stringBridge.stringToObject( stringValue );
}
}
public TwoWayStringBridge unwrap() {
return stringBridge;
}
}