001 /**
002 * ========================================
003 * JFreeReport : a free Java report library
004 * ========================================
005 *
006 * Project Info: http://reporting.pentaho.org/
007 *
008 * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
009 *
010 * This library is free software; you can redistribute it and/or modify it under the terms
011 * of the GNU Lesser General Public License as published by the Free Software Foundation;
012 * either version 2.1 of the License, or (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016 * See the GNU Lesser General Public License for more details.
017 *
018 * You should have received a copy of the GNU Lesser General Public License along with this
019 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020 * Boston, MA 02111-1307, USA.
021 *
022 * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023 * in the United States and other countries.]
024 *
025 * ------------
026 * $Id: LocaleValueConverter.java,v 1.3 2007/04/01 18:49:34 taqua Exp $
027 * ------------
028 * (C) Copyright 2000-2005, by Object Refinery Limited.
029 * (C) Copyright 2005-2007, by Pentaho Corporation.
030 */
031 package org.jfree.report.util.beans;
032
033 import java.util.Locale;
034 import java.util.StringTokenizer;
035
036 /**
037 * Creation-Date: 24.01.2006, 19:19:03
038 *
039 * @author Thomas Morgner
040 */
041 public class LocaleValueConverter implements ValueConverter
042 {
043 public LocaleValueConverter()
044 {
045 }
046
047 /**
048 * Converts an object to an attribute value.
049 *
050 * @param o the object.
051 * @return the attribute value.
052 * @throws BeanException if there was an error during the conversion.
053 */
054 public String toAttributeValue(Object o) throws BeanException
055 {
056 Locale l = (Locale) o;
057 if (l.getCountry().equals(""))
058 {
059 return l.getLanguage();
060 }
061 else if (l.getVariant().equals(""))
062 {
063 return l.getLanguage() + "_" + l.getCountry();
064 }
065 else
066 {
067 return l.getLanguage() + "_" + l.getCountry() + "_" + l.getVariant();
068 }
069 }
070
071 /**
072 * Converts a string to a property value.
073 *
074 * @param s the string.
075 * @return a property value.
076 * @throws BeanException if there was an error during the conversion.
077 */
078 public Object toPropertyValue(String s) throws BeanException
079 {
080 StringTokenizer strtok = new StringTokenizer(s.trim(), "_");
081 if (strtok.hasMoreElements() == false)
082 {
083 throw new BeanException("This is no valid locale specification.");
084 }
085 String language = strtok.nextToken();
086 String country = "";
087 if (strtok.hasMoreTokens())
088 {
089 country = strtok.nextToken();
090 }
091 String variant = "";
092 if (strtok.hasMoreTokens())
093 {
094 variant = strtok.nextToken();
095 }
096 return new Locale(language, country, variant);
097 }
098 }