/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC 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 Middleware LLC.
*
* 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.type;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Locale;
import java.util.StringTokenizer;
import org.hibernate.EntityMode;
import org.hibernate.Hibernate;
import org.hibernate.HibernateException;
import org.hibernate.dialect.Dialect;
/**
* <tt>locale</tt>: A type that maps an SQL VARCHAR to a Java Locale.
* @author Gavin King
*/
public class LocaleType extends ImmutableType implements LiteralType {
public Object get(ResultSet rs, String name) throws HibernateException, SQLException {
return fromStringValue( (String) Hibernate.STRING.get(rs, name) );
}
public void set(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
Hibernate.STRING.set(st, value.toString(), index);
}
public Object fromStringValue(String string) {
if (string == null) {
return null;
}
else {
StringTokenizer tokens = new StringTokenizer(string, "_");
String language = tokens.hasMoreTokens() ? tokens.nextToken() : "";
String country = tokens.hasMoreTokens() ? tokens.nextToken() : "";
// Need to account for allowable '_' within the variant
String variant = "";
String sep = "";
while ( tokens.hasMoreTokens() ) {
variant += sep + tokens.nextToken();
sep = "_";
}
return new Locale(language, country, variant);
}
}
public int compare(Object x, Object y, EntityMode entityMode) {
return x.toString().compareTo( y.toString() );
}
public int sqlType() {
return Hibernate.STRING.sqlType();
}
public String toString(Object value) throws HibernateException {
return value.toString();
}
public Class getReturnedClass() {
return Locale.class;
}
public String getName() {
return "locale";
}
public String objectToSQLString(Object value, Dialect dialect) throws Exception {
return ( (LiteralType) Hibernate.STRING ).objectToSQLString( value.toString(), dialect );
}
}