/*
* 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.cfg;
import java.util.Map;
import org.hibernate.search.bridge.ParameterizedBridge;
import org.hibernate.search.bridge.StringBridge;
/**
* @author Emmanuel Bernard
*/
public class ConcatStringBridge implements StringBridge, ParameterizedBridge{
public static final String SIZE = "size";
private int size;
public String objectToString(Object object) {
if (object == null) return "";
if ( ! (object instanceof String) ) {
throw new RuntimeException( "not a string" );
}
String string = object.toString();
int maxSize = string.length() >= size ? size : string.length();
return string.substring( 0, maxSize );
}
public void setParameterValues(Map<String,String> parameters) {
size = Integer.valueOf( parameters.get( SIZE ) );
}
}