01: /**
02: * ========================================
03: * JFreeReport : a free Java report library
04: * ========================================
05: *
06: * Project Info: http://reporting.pentaho.org/
07: *
08: * (C) Copyright 2000-2007, by Object Refinery Limited, Pentaho Corporation and Contributors.
09: *
10: * This library is free software; you can redistribute it and/or modify it under the terms
11: * of the GNU Lesser General Public License as published by the Free Software Foundation;
12: * either version 2.1 of the License, or (at your option) any later version.
13: *
14: * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15: * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16: * See the GNU Lesser General Public License for more details.
17: *
18: * You should have received a copy of the GNU Lesser General Public License along with this
19: * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20: * Boston, MA 02111-1307, USA.
21: *
22: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23: * in the United States and other countries.]
24: *
25: * ------------
26: * $Id: LocaleValueConverter.java 3525 2007-10-16 11:43:48Z tmorgner $
27: * ------------
28: * (C) Copyright 2000-2005, by Object Refinery Limited.
29: * (C) Copyright 2005-2007, by Pentaho Corporation.
30: */package org.jfree.report.util.beans;
31:
32: import java.util.Locale;
33: import java.util.StringTokenizer;
34:
35: /**
36: * Creation-Date: 24.01.2006, 19:19:03
37: *
38: * @author Thomas Morgner
39: */
40: public class LocaleValueConverter implements ValueConverter {
41: public LocaleValueConverter() {
42: }
43:
44: /**
45: * Converts an object to an attribute value.
46: *
47: * @param o the object.
48: * @return the attribute value.
49: * @throws BeanException if there was an error during the conversion.
50: */
51: public String toAttributeValue(final Object o) throws BeanException {
52: final Locale l = (Locale) o;
53: if ("".equals(l.getCountry())) {
54: return l.getLanguage();
55: } else if ("".equals(l.getVariant())) {
56: return l.getLanguage() + "_" + l.getCountry();
57: } else {
58: return l.getLanguage() + "_" + l.getCountry() + "_"
59: + l.getVariant();
60: }
61: }
62:
63: /**
64: * Converts a string to a property value.
65: *
66: * @param s the string.
67: * @return a property value.
68: * @throws BeanException if there was an error during the conversion.
69: */
70: public Object toPropertyValue(final String s) throws BeanException {
71: final StringTokenizer strtok = new StringTokenizer(s.trim(),
72: "_");
73: if (strtok.hasMoreElements() == false) {
74: throw new BeanException(
75: "This is no valid locale specification.");
76: }
77: final String language = strtok.nextToken();
78: String country = "";
79: if (strtok.hasMoreTokens()) {
80: country = strtok.nextToken();
81: }
82: String variant = "";
83: if (strtok.hasMoreTokens()) {
84: variant = strtok.nextToken();
85: }
86: return new Locale(language, country, variant);
87: }
88: }
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