DefaultNumberFormatCfMod


1   /* ************************************************************************** *
2    * Copyright (C) 2004 NightLabs GmbH, Marco Schulze                           *
3    * All rights reserved.                                                       *
4    * http://www.NightLabs.de                                                    *
5    *                                                                            *
6    * This program and the accompanying materials are free software; you can re- *
7    * distribute it and/or modify it under the terms of the GNU General Public   *
8    * License as published by the Free Software Foundation; either ver 2 of the  *
9    * License, or any later version.                                             *
10   *                                                                            *
11   * This module is distributed in the hope that it will be useful, but WITHOUT *
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FIT- *
13   * NESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more *
14   * details.                                                                   *
15   *                                                                            *
16   * You should have received a copy of the GNU General Public License along    *
17   * with this module; if not, write to the Free Software Foundation, Inc.:     *
18   *    59 Temple Place, Suite 330                                              *
19   *    Boston MA 02111-1307                                                    *
20   *    USA                                                                     *
21   *                                                                            *
22   * Or get it online:                                                          *
23   *    http://www.opensource.org/licenses/gpl-license.php                      *
24   *                                                                            *
25   * In case, you want to use this module or parts of it in a proprietary pro-  *
26   * ject, you can purchase it under the NightLabs Commercial License. Please   *
27   * contact NightLabs GmbH under info AT nightlabs DOT com for more infos or   *
28   * visit http://www.NightLabs.com                                             *
29   * ************************************************************************** */
30  
31  /*
32   * Created on Dec 23, 2004
33   */
34  package com.nightlabs.l10n;
35  
36  import java.text.DecimalFormat  ;
37  import java.text.DecimalFormatSymbols  ;
38  import java.text.NumberFormat  ;
39  import java.util.Locale  ;
40  
41  import com.nightlabs.config.ConfigModule;
42  import com.nightlabs.config.InitException;
43  
44  /**
45   * @author Marco Schulze - marco at nightlabs dot de
46   */
47  public class DefaultNumberFormatCfMod extends ConfigModule
48  {
49      private String   positivePrefix;
50      private String   positiveSuffix;
51      private String   negativePrefix;
52      private String   negativeSuffix;
53  
54      private char decimalSeparator = 0;
55      private char groupingSeparator = 0;
56      private int groupingSize = -1;
57  
58      private String   currencySymbolPosition;
59  
60      public static String   CURRENCYSYMBOLPOSITION_BEGIN = "begin";
61      public static String   CURRENCYSYMBOLPOSITION_END = "end";
62  
63      
64      public DefaultNumberFormatCfMod()
65      {
66      }
67  
68      /**
69       * @see com.nightlabs.config.ConfigModule#getIdentifier()
70       */
71      public String   getIdentifier()
72      {
73          return super.getIdentifier();
74      }
75      /**
76       * @see com.nightlabs.config.ConfigModule#setIdentifier(java.lang.String)
77       */
78      public void setIdentifier(String   _identifier)
79      {
80          super.setIdentifier(_identifier);
81      }
82  
83  
84      /**
85       * @see com.nightlabs.config.ConfigModule#init()
86       */
87      public void init() throws InitException
88      {
89          String   identifier = getIdentifier();
90          if (identifier == null)
91              throw new IllegalStateException  ("identifier of this ConfigModule is null! It should be the language/country-code (e.g. en_US)!");
92  
93          String  [] sa = identifier.split("_");
94          if (sa.length < 1)
95              throw new IllegalStateException  ("identifier of this ConfigModule is invalid (empty?!)! It should be the language/country-code (e.g. en_US)!");
96  
97          String   language = sa[0];
98          String   country = null;
99          if (sa.length > 1)
100             country = sa[1];
101 
102         Locale   locale = new Locale  (language, country);
103         
104         DecimalFormatSymbols   dfs = new DecimalFormatSymbols  (locale);
105         
106         if (positivePrefix == null)
107             setPositivePrefix("");
108 
109         if (positiveSuffix == null)
110             setPositiveSuffix("");
111 
112         if (negativePrefix == null)
113             setNegativePrefix(""+dfs.getMinusSign());
114 
115         if (negativeSuffix == null)
116             setNegativeSuffix("");
117 
118         if (decimalSeparator == 0)
119             setDecimalSeparator(dfs.getDecimalSeparator());
120 
121         if (groupingSeparator == 0)
122             setGroupingSeparator(dfs.getGroupingSeparator());
123 
124         if (groupingSize < 0) {
125             NumberFormat   nf = NumberFormat.getNumberInstance();
126             if (nf instanceof DecimalFormat  )
127                 setGroupingSize(((DecimalFormat  )nf).getGroupingSize());
128             else
129                 setGroupingSize(3);
130         }
131 
132         if (currencySymbolPosition == null)
133             setCurrencySymbolPosition(CURRENCYSYMBOLPOSITION_END);
134     }
135 
136     /**
137      * @return Returns the currencySymbolPosition.
138      */
139     public String   getCurrencySymbolPosition()
140     {
141         return currencySymbolPosition;
142     }
143     /**
144      * @param currencySymbolPosition The currencySymbolPosition to set.
145      */
146     public void setCurrencySymbolPosition(String   currencySymbolPosition)
147     {
148         if (CURRENCYSYMBOLPOSITION_BEGIN.equals(currencySymbolPosition))
149             this.currencySymbolPosition = CURRENCYSYMBOLPOSITION_BEGIN;
150         else if (CURRENCYSYMBOLPOSITION_END.equals(currencySymbolPosition))
151             this.currencySymbolPosition = CURRENCYSYMBOLPOSITION_END;
152         else
153             throw new IllegalArgumentException  (
154                     "currencySymbolPosition \""+currencySymbolPosition+"\" is invalid!" +
155                             " Must be CURRENCYSYMBOLPOSITION_BEGIN=\""+CURRENCYSYMBOLPOSITION_BEGIN+"\" or " +
156                                     "CURRENCYSYMBOLPOSITION_END=\""+CURRENCYSYMBOLPOSITION_END+"\"!");
157 
158         setChanged();
159     }
160     /**
161      * @return Returns the decimalSeparator.
162      */
163     public char getDecimalSeparator()
164     {
165         return decimalSeparator;
166     }
167     /**
168      * @param decimalSeparator The decimalSeparator to set.
169      */
170     public void setDecimalSeparator(char decimalSeparator)
171     {
172         this.decimalSeparator = decimalSeparator;
173         setChanged();
174     }
175     /**
176      * @return Returns the groupingSeparator.
177      */
178     public char getGroupingSeparator()
179     {
180         return groupingSeparator;
181     }
182     /**
183      * @param groupingSeparator The groupingSeparator to set.
184      */
185     public void setGroupingSeparator(char groupingSeparator)
186     {
187         this.groupingSeparator = groupingSeparator;
188         setChanged();
189     }
190     /**
191      * @return Returns the groupingSize.
192      */
193     public int getGroupingSize()
194     {
195         return groupingSize;
196     }
197     /**
198      * @param groupingSize The groupingSize to set.
199      */
200     public void setGroupingSize(int groupingSize)
201     {
202         this.groupingSize = groupingSize;
203         setChanged();
204     }
205     /**
206      * @return Returns the negativePrefix.
207      */
208     public String   getNegativePrefix()
209     {
210         return negativePrefix;
211     }
212     /**
213      * @param negativePrefix The negativePrefix to set.
214      */
215     public void setNegativePrefix(String   negativePrefix)
216     {
217         this.negativePrefix = negativePrefix;
218         setChanged();
219     }
220     /**
221      * @return Returns the negativeSuffix.
222      */
223     public String   getNegativeSuffix()
224     {
225         return negativeSuffix;
226     }
227     /**
228      * @param negativeSuffix The negativeSuffix to set.
229      */
230     public void setNegativeSuffix(String   negativeSuffix)
231     {
232         this.negativeSuffix = negativeSuffix;
233         setChanged();
234     }
235     /**
236      * @return Returns the positivePrefix.
237      */
238     public String   getPositivePrefix()
239     {
240         return positivePrefix;
241     }
242     /**
243      * @param positivePrefix The positivePrefix to set.
244      */
245     public void setPositivePrefix(String   positivePrefix)
246     {
247         this.positivePrefix = positivePrefix;
248         setChanged();
249     }
250     /**
251      * @return Returns the positiveSuffix.
252      */
253     public String   getPositiveSuffix()
254     {
255         return positiveSuffix;
256     }
257     /**
258      * @param positiveSuffix The positiveSuffix to set.
259      */
260     public void setPositiveSuffix(String   positiveSuffix)
261     {
262         this.positiveSuffix = positiveSuffix;
263         setChanged();
264     }
265 }
266
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