/*
* 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.test.bridge;
import org.hibernate.search.bridge.TwoWayStringBridge;
/**
* @author Emmanuel Bernard
*/
public class StudentsSizeBridge implements TwoWayStringBridge {
public Object stringToObject(String stringValue) {
if (null == stringValue || stringValue.equals("")) {
return 0;
}
return Integer.parseInt(stringValue);
}
public String objectToString(Object object) {
if (object instanceof Teacher) {
Teacher teacher = (Teacher) object;
if (teacher.getStudents() != null && teacher.getStudents().size() > 0)
return String.valueOf(teacher.getStudents().size());
else
return null;
} else {
throw new IllegalArgumentException(StudentsSizeBridge.class +
" used on a non-Teacher type: " + object.getClass());
}
}
}