/*
* 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;
import org.hibernate.annotations.common.util.StringHelper;
import org.hibernate.search.bridge.AppliedOnTypeAwareBridge;
import org.hibernate.search.bridge.TwoWayStringBridge;
/**
* Map an Enum field
*
* @author Sylvain Vieujot
*/
public class EnumBridge implements TwoWayStringBridge, AppliedOnTypeAwareBridge {
private Class<? extends Enum> clazz = null;
public Enum<? extends Enum> stringToObject(String stringValue) {
if ( StringHelper.isEmpty( stringValue ) ) return null;
return Enum.valueOf( clazz, stringValue );
}
public String objectToString(Object object) {
Enum e = (Enum) object;
return e != null ? e.name() : null;
}
public void setAppliedOnType(Class<?> returnType) {
@SuppressWarnings("unchecked") //only called for an enum
Class<? extends Enum> enumReturnType = (Class<? extends Enum>) returnType;
this.clazz = enumReturnType;
}
}