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 3525 2007-10-16 11:43:48Z tmorgner $ 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(final Object o) throws BeanException 055 { 056 final Locale l = (Locale) o; 057 if ("".equals(l.getCountry())) 058 { 059 return l.getLanguage(); 060 } 061 else if ("".equals(l.getVariant())) 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(final String s) throws BeanException 079 { 080 final StringTokenizer strtok = new StringTokenizer(s.trim(), "_"); 081 if (strtok.hasMoreElements() == false) 082 { 083 throw new BeanException("This is no valid locale specification."); 084 } 085 final 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 }