jcoverage | summary | package | file

Coverage details for org.chwf.i18n.Localizer

LineHitsSource
1 /*
2 Chrysalis Web Framework [http://chrysalis.sourceforge.net]
3 Copyright (c) 2002, 2003, 2004, Paul Strack
4  
5 All rights reserved.
6  
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9  
10 1. Redistributions of source code must retain the above copyright notice, this
11 list of conditions and the following disclaimer.
12  
13 2. Redistributions in binary form must reproduce the above copyright notice,
14 this list of conditions and the following disclaimer in the documentation
15 and/or other materials provided with the distribution.
16  
17 3. Neither the name of the copyright holder nor the names of its contributors
18 may be used to endorse or promote products derived from this software without
19 specific prior written permission.
20  
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
22 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
25 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
28 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
30 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32  
33 package org.chwf.i18n;
34  
35 import java.text.DateFormat;
36 import java.text.MessageFormat;
37 import java.text.NumberFormat;
38 import java.text.ParseException;
39 import java.util.Date;
40  
41 /**
42  * Class with static localizer methods. They derive the locale from
43  * {@link UserLocale#getLocale()}.
44  *
45  * @author <a href="mailto:pfstrack@users.sourceforge.net">Paul Strack</a>
46  */
47 public abstract class Localizer {
48  
49   /** Private constructor to prevent creation. */
500  private Localizer() {
510  }
52  
53   /**
54    * Format message pattern using arguments.<p>
55    *
56    * @param pattern The message pattern.
57    * @param args The arguments.
58    * @return The pattern with arguments inserted.
59    */
60   public static String format(String pattern, Object[] args) {
6159    if ((args.length > 0) && (pattern.indexOf('{') >= 0)) {
6246      MessageFormat formatter = getMessageFormat(pattern);
6346      formatter.setLocale(UserLocale.getLocale());
6446      return formatter.format(args);
65     } else {
6613      return pattern;
67     }
68   }
69  
70   /**
71    * Parse the string value as a number.<p>
72    *
73    * @param value The value.
74    * @return The number.
75    * @throws ParseException If parsing fails.
76    */
77   public static Number parseNumber(String value) throws ParseException {
78123    return getNumberFormat().parse(stripWhitespace(value));
79   }
80  
81   /**
82    * Format number as string.<p>
83    *
84    * @param number The number.
85    * @return The string value or "" for null.
86    */
87   public static String formatNumber(Number number) {
8862    if (number == null) {
892      return "";
90     }
9160    return getNumberFormat().format(number);
92   }
93  
94   /**
95    * Parse the string value as a currency.<p>
96    *
97    * @param value The value.
98    * @return The number.
99    * @throws ParseException If parsing fails.
100    */
101   public static Number parseCurrency(String value) throws ParseException {
1023    return getCurrencyFormat().parse(stripWhitespace(value));
103   }
104  
105   /**
106    * Format currency as string.<p>
107    *
108    * @param number The number.
109    * @return The string value or "" for null.
110    */
111   public static String formatCurrency(Number number) {
1124    if (number == null) {
1131      return "";
114     }
1153    return getCurrencyFormat().format(number);
116   }
117  
118   /**
119    * Parse the string value as a date.<p>
120    *
121    * @param value The value.
122    * @return The date.
123    * @throws ParseException If parsing fails.
124    */
125   public static Date parseDate(String value) throws ParseException {
12611    return getDateFormat().parse(value);
127   }
128  
129   /**
130    * Format date as string.<p>
131    *
132    * @param date The date.
133    * @return The string value or "" for null.
134    */
135   public static String formatDate(Date date) {
1366    if (date == null) {
1371      return "";
138     }
1395    return getDateFormat().format(date);
140   }
141  
142   /**
143    * Parse the string value as a time.<p>
144    *
145    * @param value The value.
146    * @return The date.
147    * @throws ParseException If parsing fails.
148    */
149   public static Date parseTime(String value) throws ParseException {
1504    return getTimeFormat().parse(value);
151   }
152  
153   /**
154    * Format time as string.<p>
155    *
156    * @param date The date.
157    * @return The string value or "" for null.
158    */
159   public static String formatTime(Date date) {
1604    if (date == null) {
1611      return "";
162     }
1633    return getTimeFormat().format(date);
164   }
165  
166   /**
167    * Parse the string value as a date-time.<p>
168    *
169    * @param value The value.
170    * @return The date.
171    * @throws ParseException If parsing fails.
172    */
173   public static Date parseDateTime(String value) throws ParseException {
1744    return getDateTimeFormat().parse(value);
175   }
176  
177   /**
178    * Format date-time as string.<p>
179    *
180    * @param date The date.
181    * @return The string value or "" for null.
182    */
183   public static String formatDateTime(Date date) {
1844    if (date == null) {
1851      return "";
186     }
1873    return getDateTimeFormat().format(date);
188   }
189  
190   /**
191    * Format date as string.<p>
192    *
193    * @param date The date.
194    * @return The string value or "" for null.
195    */
196   public static String formatLongDate(Date date) {
1975    if (date == null) {
1981      return "";
199     }
2004    return getLongDateFormat().format(date);
201   }
202  
203   /**
204    * Get a number format for the user locale.
205    *
206    * @return Number format.
207    */
208   private static NumberFormat getNumberFormat() {
209183    return NumberFormat.getInstance(UserLocale.getLocale());
210   }
211  
212   /**
213    * Get a currency format for the user locale.
214    *
215    * @return Currency format.
216    */
217   private static NumberFormat getCurrencyFormat() {
2186    return NumberFormat.getCurrencyInstance(UserLocale.DEFAULT_LOCALE);
219   }
220  
221   /**
222    * Get a date format for the user locale.
223    *
224    * @return Date format.
225    */
226   private static DateFormat getDateFormat() {
22716    return DateFormat.getDateInstance(DateFormat.SHORT, UserLocale.getLocale());
228   }
229  
230   /**
231    * Get a time format for the user locale.
232    *
233    * @return Date format.
234    */
235   private static DateFormat getTimeFormat() {
2367    return DateFormat.getTimeInstance(DateFormat.SHORT, UserLocale.getLocale());
237   }
238  
239   /**
240    * Get a time format for the user locale.
241    *
242    * @return Date format.
243    */
244   private static DateFormat getDateTimeFormat() {
2457    return DateFormat.getDateTimeInstance(
246       DateFormat.SHORT,
247       DateFormat.SHORT,
248       UserLocale.getLocale());
249   }
250  
251   /**
252    * Get a date format for the user locale.
253    *
254    * @return Date format.
255    */
256   private static DateFormat getLongDateFormat() {
2574    return DateFormat.getDateInstance(DateFormat.LONG, UserLocale.getLocale());
258   }
259  
260   /**
261    * Get a message format for the pattern.
262    *
263    * @param pattern The pattern.
264    * @return Message format.
265    */
266   private static MessageFormat getMessageFormat(String pattern) {
26746    return new MessageFormat(pattern);
268   }
269  
270   /**
271    * Strip all whitespace from a string.
272    *
273    * @param value The string.
274    * @return The stripped string.
275    */
276   private static String stripWhitespace(String value) {
277126    if (value == null) {
2780      return null;
279     }
280126    StringBuffer buffer = new StringBuffer();
281126    char[] chars = value.toCharArray();
282452    for (int i = 0; i < chars.length; i++) {
283326      if (!Character.isWhitespace(chars[i])) {
284321        buffer.append(chars[i]);
285       }
286     }
287126    return buffer.toString();
288   }
289 }

jcoverage | summary | package | file

this report was generated by version 1.0.5 of jcoverage.
visit www.jcoverage.com for updates.

copyright © 2003, jcoverage ltd. all rights reserved.
Java is a trademark of Sun Microsystems, Inc. in the United States and other countries.