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16 package org.apache.myfaces.taglib.core;
17
18 import java.util.Locale  ;
19 import javax.faces.context.FacesContext;
20 import javax.faces.convert.Converter;
21 import javax.faces.convert.NumberConverter;
22 import javax.faces.el.ValueBinding;
23 import javax.faces.webapp.ConverterTag;
24 import javax.faces.webapp.UIComponentTag;
25 import javax.servlet.jsp.JspException ;
26 import javax.servlet.jsp.PageContext ;
27
28
51 public class ConvertNumberTag
52 extends ConverterTag
53 {
54 private String _currencyCode = null;
55 private String _currencySymbol = null;
56 private String _groupingUsed = "true"; private String _integerOnly = "false"; private String _locale = null;
59 private String _maxFractionDigits = null;
60 private String _maxIntegerDigits = null;
61 private String _minFractionDigits = null;
62 private String _minIntegerDigits = null;
63 private String _pattern = null;
64 private String _type = "number";
66 public ConvertNumberTag()
67 {
68 setConverterId(NumberConverter.CONVERTER_ID);
69 }
70
71 public void setCurrencyCode(String currencyCode)
72 {
73 _currencyCode = currencyCode;
74 }
75
76 public void setCurrencySymbol(String currencySymbol)
77 {
78 _currencySymbol = currencySymbol;
79 }
80
81 public void setGroupingUsed(String groupingUsed)
82 {
83 _groupingUsed = groupingUsed;
84 }
85
86 public void setIntegerOnly(String integerOnly)
87 {
88 _integerOnly = integerOnly;
89 }
90
91 public void setLocale(String locale)
92 {
93 _locale = locale;
94 }
95
96 public void setMaxFractionDigits(String maxFractionDigits)
97 {
98 _maxFractionDigits = maxFractionDigits;
99 }
100
101 public void setMaxIntegerDigits(String maxIntegerDigits)
102 {
103 _maxIntegerDigits = maxIntegerDigits;
104 }
105
106 public void setMinFractionDigits(String minFractionDigits)
107 {
108 _minFractionDigits = minFractionDigits;
109 }
110
111 public void setMinIntegerDigits(String minIntegerDigits)
112 {
113 _minIntegerDigits = minIntegerDigits;
114 }
115
116 public void setPattern(String pattern)
117 {
118 _pattern = pattern;
119 }
120
121 public void setType(String type)
122 {
123 _type = type;
124 }
125
126 public void setPageContext(PageContext context)
127 {
128 super.setPageContext(context);
129 setConverterId(NumberConverter.CONVERTER_ID);
130 }
131
132 protected Converter createConverter() throws JspException
133 {
134 NumberConverter converter = (NumberConverter)super.createConverter();
135
136 FacesContext facesContext = FacesContext.getCurrentInstance();
137 setConverterCurrencyCode(facesContext, converter, _currencyCode);
138 setConverterCurrencySymbol(facesContext, converter, _currencySymbol);
139 setConverterGroupingUsed(facesContext, converter, _groupingUsed);
140 setConverterIntegerOnly(facesContext, converter, _integerOnly);
141 setConverterLocale(facesContext, converter, _locale);
142 setConverterMaxFractionDigits(facesContext, converter, _maxFractionDigits);
143 setConverterMaxIntegerDigits(facesContext, converter, _maxIntegerDigits);
144 setConverterMinFractionDigits(facesContext, converter, _minFractionDigits);
145 setConverterMinIntegerDigits(facesContext, converter, _minIntegerDigits);
146 setConverterPattern(facesContext, converter, _pattern);
147 setConverterType(facesContext, converter, _type);
148
149 return converter;
150 }
151
152
153 private static void setConverterCurrencyCode(FacesContext facesContext,
154 NumberConverter converter,
155 String value)
156 {
157 if (value == null) return;
158 if (UIComponentTag.isValueReference(value))
159 {
160 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
161 converter.setCurrencyCode((String )vb.getValue(facesContext));
162 }
163 else
164 {
165 converter.setCurrencyCode(value);
166 }
167 }
168
169 private static void setConverterCurrencySymbol(FacesContext facesContext,
170 NumberConverter converter,
171 String value)
172 {
173 if (value == null) return;
174 if (UIComponentTag.isValueReference(value))
175 {
176 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
177 converter.setCurrencySymbol((String )vb.getValue(facesContext));
178 }
179 else
180 {
181 converter.setCurrencySymbol(value);
182 }
183 }
184
185 private static void setConverterGroupingUsed(FacesContext facesContext,
186 NumberConverter converter,
187 String value)
188 {
189 if (value == null) return;
190 if (UIComponentTag.isValueReference(value))
191 {
192 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
193 Boolean b = (Boolean )vb.getValue(facesContext);
194 if (b != null)
195 {
196 converter.setGroupingUsed(b.booleanValue());
197 }
198 }
199 else
200 {
201 converter.setGroupingUsed(Boolean.valueOf(value).booleanValue());
202 }
203 }
204
205 private static void setConverterIntegerOnly(FacesContext facesContext,
206 NumberConverter converter,
207 String value)
208 {
209 if (value == null) return;
210 if (UIComponentTag.isValueReference(value))
211 {
212 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
213 Boolean b = (Boolean )vb.getValue(facesContext);
214 if (b != null)
215 {
216 converter.setIntegerOnly(b.booleanValue());
217 }
218 }
219 else
220 {
221 converter.setIntegerOnly(Boolean.valueOf(value).booleanValue());
222 }
223 }
224
225 private static void setConverterLocale(FacesContext facesContext,
226 NumberConverter converter,
227 String value)
228 {
229 if (value == null) return;
230 if (UIComponentTag.isValueReference(value))
231 {
232 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
233 converter.setLocale((Locale )vb.getValue(facesContext));
234 }
235 else
236 {
237 throw new IllegalArgumentException ("Attribute locale of type String not supported");
238 }
239 }
240
241 private static void setConverterMaxFractionDigits(FacesContext facesContext,
242 NumberConverter converter,
243 String value)
244 {
245 if (value == null) return;
246 if (UIComponentTag.isValueReference(value))
247 {
248 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
249 Integer i = (Integer )vb.getValue(facesContext);
250 if (i != null)
251 {
252 converter.setMaxFractionDigits(i.intValue());
253 }
254 }
255 else
256 {
257 converter.setMaxFractionDigits(Integer.parseInt(value));
258 }
259 }
260
261 private static void setConverterMaxIntegerDigits(FacesContext facesContext,
262 NumberConverter converter,
263 String value)
264 {
265 if (value == null) return;
266 if (UIComponentTag.isValueReference(value))
267 {
268 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
269 Integer i = (Integer )vb.getValue(facesContext);
270 if (i != null)
271 {
272 converter.setMaxIntegerDigits(i.intValue());
273 }
274 }
275 else
276 {
277 converter.setMaxIntegerDigits(Integer.parseInt(value));
278 }
279 }
280
281 private static void setConverterMinFractionDigits(FacesContext facesContext,
282 NumberConverter converter,
283 String value)
284 {
285 if (value == null) return;
286 if (UIComponentTag.isValueReference(value))
287 {
288 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
289 Integer i = (Integer )vb.getValue(facesContext);
290 if (i != null)
291 {
292 converter.setMinFractionDigits(i.intValue());
293 }
294 }
295 else
296 {
297 converter.setMinFractionDigits(Integer.parseInt(value));
298 }
299 }
300
301 private static void setConverterMinIntegerDigits(FacesContext facesContext,
302 NumberConverter converter,
303 String value)
304 {
305 if (value == null) return;
306 if (UIComponentTag.isValueReference(value))
307 {
308 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
309 Integer i = (Integer )vb.getValue(facesContext);
310 if (i != null)
311 {
312 converter.setMinIntegerDigits(i.intValue());
313 }
314 }
315 else
316 {
317 converter.setMinIntegerDigits(Integer.parseInt(value));
318 }
319 }
320
321 private static void setConverterPattern(FacesContext facesContext,
322 NumberConverter converter,
323 String value)
324 {
325 if (value == null) return;
326 if (UIComponentTag.isValueReference(value))
327 {
328 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
329 converter.setPattern((String )vb.getValue(facesContext));
330 }
331 else
332 {
333 converter.setPattern(value);
334 }
335 }
336
337 private static void setConverterType(FacesContext facesContext,
338 NumberConverter converter,
339 String value)
340 {
341 if (value == null) return;
342 if (UIComponentTag.isValueReference(value))
343 {
344 ValueBinding vb = facesContext.getApplication().createValueBinding(value);
345 converter.setType((String )vb.getValue(facesContext));
346 }
347 else
348 {
349 converter.setType(value);
350 }
351 }
352
353
354 }
355 |
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