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18 package org.apache.strutsel.taglib.html;
19
20 import org.apache.struts.taglib.html.FormTag;
21 import org.apache.strutsel.taglib.utils.EvalHelper;
22
23 import javax.servlet.jsp.JspException;
24
25 /***
26 * Custom tag that represents an input form, associated with a bean whose
27 * properties correspond to the various fields of the form. <p> This class is
28 * a subclass of the class <code>org.apache.struts.taglib.html.FormTag</code>
29 * which provides most of the described functionality. This subclass allows
30 * all attribute values to be specified as expressions utilizing the
31 * JavaServer Pages Standard Library expression language.
32 *
33 * @version $Rev: 376779 $
34 */
35 public class ELFormTag extends FormTag {
36 /***
37 * Instance variable mapped to "action" tag attribute. (Mapping set in
38 * associated BeanInfo class.)
39 */
40 private String actionExpr;
41
42 /***
43 * Instance variable mapped to "disabled" tag attribute. (Mapping set in
44 * associated BeanInfo class.)
45 */
46 private String disabledExpr;
47
48 /***
49 * Instance variable mapped to "enctype" tag attribute. (Mapping set in
50 * associated BeanInfo class.)
51 */
52 private String enctypeExpr;
53
54 /***
55 * Instance variable mapped to "focus" tag attribute. (Mapping set in
56 * associated BeanInfo class.)
57 */
58 private String focusExpr;
59
60 /***
61 * Instance variable mapped to "focusIndex" tag attribute. (Mapping set in
62 * associated BeanInfo class.)
63 */
64 private String focusIndexExpr;
65
66 /***
67 * Instance variable mapped to "method" tag attribute. (Mapping set in
68 * associated BeanInfo class.)
69 */
70 private String methodExpr;
71
72 /***
73 * Instance variable mapped to "onreset" tag attribute. (Mapping set in
74 * associated BeanInfo class.)
75 */
76 private String onresetExpr;
77
78 /***
79 * Instance variable mapped to "onsubmit" tag attribute. (Mapping set in
80 * associated BeanInfo class.)
81 */
82 private String onsubmitExpr;
83
84 /***
85 * Instance variable mapped to "readonly" tag attribute. (Mapping set in
86 * associated BeanInfo class.)
87 */
88 private String readonlyExpr;
89
90 /***
91 * Instance variable mapped to "scriptLanguage" tag attribute. (Mapping
92 * set in associated BeanInfo class.)
93 */
94 private String scriptLanguageExpr;
95
96 /***
97 * Instance variable mapped to "style" tag attribute. (Mapping set in
98 * associated BeanInfo class.)
99 */
100 private String styleExpr;
101
102 /***
103 * Instance variable mapped to "styleClass" tag attribute. (Mapping set in
104 * associated BeanInfo class.)
105 */
106 private String styleClassExpr;
107
108 /***
109 * Instance variable mapped to "styleId" tag attribute. (Mapping set in
110 * associated BeanInfo class.)
111 */
112 private String styleIdExpr;
113
114 /***
115 * Instance variable mapped to "target" tag attribute. (Mapping set in
116 * associated BeanInfo class.)
117 */
118 private String targetExpr;
119
120 /***
121 * Instance variable mapped to "acceptCharset" tag attribute. (Mapping set
122 * in associated BeanInfo class.)
123 */
124 private String acceptCharsetExpr;
125
126 /***
127 * Getter method for "action" tag attribute. (Mapping set in associated
128 * BeanInfo class.)
129 */
130 public String getActionExpr() {
131 return (actionExpr);
132 }
133
134 /***
135 * Getter method for "disabled" tag attribute. (Mapping set in associated
136 * BeanInfo class.)
137 */
138 public String getDisabledExpr() {
139 return (disabledExpr);
140 }
141
142 /***
143 * Getter method for "enctype" tag attribute. (Mapping set in associated
144 * BeanInfo class.)
145 */
146 public String getEnctypeExpr() {
147 return (enctypeExpr);
148 }
149
150 /***
151 * Getter method for "focus" tag attribute. (Mapping set in associated
152 * BeanInfo class.)
153 */
154 public String getFocusExpr() {
155 return (focusExpr);
156 }
157
158 /***
159 * Getter method for "focusIndex" tag attribute. (Mapping set in
160 * associated BeanInfo class.)
161 */
162 public String getFocusIndexExpr() {
163 return (focusIndexExpr);
164 }
165
166 /***
167 * Getter method for "method" tag attribute. (Mapping set in associated
168 * BeanInfo class.)
169 */
170 public String getMethodExpr() {
171 return (methodExpr);
172 }
173
174 /***
175 * Getter method for "onreset" tag attribute. (Mapping set in associated
176 * BeanInfo class.)
177 */
178 public String getOnresetExpr() {
179 return (onresetExpr);
180 }
181
182 /***
183 * Getter method for "onsubmit" tag attribute. (Mapping set in associated
184 * BeanInfo class.)
185 */
186 public String getOnsubmitExpr() {
187 return (onsubmitExpr);
188 }
189
190 /***
191 * Getter method for "readonly" tag attribute. (Mapping set in associated
192 * BeanInfo class.)
193 */
194 public String getReadonlyExpr() {
195 return (readonlyExpr);
196 }
197
198 /***
199 * Getter method for "scriptLanguage" tag attribute. (Mapping set in
200 * associated BeanInfo class.)
201 */
202 public String getScriptLanguageExpr() {
203 return (scriptLanguageExpr);
204 }
205
206 /***
207 * Getter method for "style" tag attribute. (Mapping set in associated
208 * BeanInfo class.)
209 */
210 public String getStyleExpr() {
211 return (styleExpr);
212 }
213
214 /***
215 * Getter method for "styleClass" tag attribute. (Mapping set in
216 * associated BeanInfo class.)
217 */
218 public String getStyleClassExpr() {
219 return (styleClassExpr);
220 }
221
222 /***
223 * Getter method for "styleId" tag attribute. (Mapping set in associated
224 * BeanInfo class.)
225 */
226 public String getStyleIdExpr() {
227 return (styleIdExpr);
228 }
229
230 /***
231 * Getter method for "target" tag attribute. (Mapping set in associated
232 * BeanInfo class.)
233 */
234 public String getTargetExpr() {
235 return (targetExpr);
236 }
237
238 /***
239 * Getter method for "acceptCharset" tag attribute. (Mapping set in
240 * associated BeanInfo class.)
241 */
242 public String getAcceptCharsetExpr() {
243 return (acceptCharsetExpr);
244 }
245
246 /***
247 * Setter method for "action" tag attribute. (Mapping set in associated
248 * BeanInfo class.)
249 */
250 public void setActionExpr(String actionExpr) {
251 this.actionExpr = actionExpr;
252 }
253
254 /***
255 * Setter method for "disabled" tag attribute. (Mapping set in associated
256 * BeanInfo class.)
257 */
258 public void setDisabledExpr(String disabledExpr) {
259 this.disabledExpr = disabledExpr;
260 }
261
262 /***
263 * Setter method for "enctype" tag attribute. (Mapping set in associated
264 * BeanInfo class.)
265 */
266 public void setEnctypeExpr(String enctypeExpr) {
267 this.enctypeExpr = enctypeExpr;
268 }
269
270 /***
271 * Setter method for "focus" tag attribute. (Mapping set in associated
272 * BeanInfo class.)
273 */
274 public void setFocusExpr(String focusExpr) {
275 this.focusExpr = focusExpr;
276 }
277
278 /***
279 * Setter method for "focusIndex" tag attribute. (Mapping set in
280 * associated BeanInfo class.)
281 */
282 public void setFocusIndexExpr(String focusIndexExpr) {
283 this.focusIndexExpr = focusIndexExpr;
284 }
285
286 /***
287 * Setter method for "method" tag attribute. (Mapping set in associated
288 * BeanInfo class.)
289 */
290 public void setMethodExpr(String methodExpr) {
291 this.methodExpr = methodExpr;
292 }
293
294 /***
295 * Setter method for "onreset" tag attribute. (Mapping set in associated
296 * BeanInfo class.)
297 */
298 public void setOnresetExpr(String onresetExpr) {
299 this.onresetExpr = onresetExpr;
300 }
301
302 /***
303 * Setter method for "onsubmit" tag attribute. (Mapping set in associated
304 * BeanInfo class.)
305 */
306 public void setOnsubmitExpr(String onsubmitExpr) {
307 this.onsubmitExpr = onsubmitExpr;
308 }
309
310 /***
311 * Setter method for "readonly" tag attribute. (Mapping set in associated
312 * BeanInfo class.)
313 */
314 public void setReadonlyExpr(String readonlyExpr) {
315 this.readonlyExpr = readonlyExpr;
316 }
317
318 /***
319 * Setter method for "scriptLanguage" tag attribute. (Mapping set in
320 * associated BeanInfo class.)
321 */
322 public void setScriptLanguageExpr(String scriptLanguageExpr) {
323 this.scriptLanguageExpr = scriptLanguageExpr;
324 }
325
326 /***
327 * Setter method for "style" tag attribute. (Mapping set in associated
328 * BeanInfo class.)
329 */
330 public void setStyleExpr(String styleExpr) {
331 this.styleExpr = styleExpr;
332 }
333
334 /***
335 * Setter method for "styleClass" tag attribute. (Mapping set in
336 * associated BeanInfo class.)
337 */
338 public void setStyleClassExpr(String styleClassExpr) {
339 this.styleClassExpr = styleClassExpr;
340 }
341
342 /***
343 * Setter method for "styleId" tag attribute. (Mapping set in associated
344 * BeanInfo class.)
345 */
346 public void setStyleIdExpr(String styleIdExpr) {
347 this.styleIdExpr = styleIdExpr;
348 }
349
350 /***
351 * Setter method for "target" tag attribute. (Mapping set in associated
352 * BeanInfo class.)
353 */
354 public void setTargetExpr(String targetExpr) {
355 this.targetExpr = targetExpr;
356 }
357
358 /***
359 * Setter method for "acceptCharset" tag attribute. (Mapping set in
360 * associated BeanInfo class.)
361 */
362 public void setAcceptCharsetExpr(String acceptCharsetExpr) {
363 this.acceptCharsetExpr = acceptCharsetExpr;
364 }
365
366 /***
367 * Resets attribute values for tag reuse.
368 */
369 public void release() {
370 super.release();
371 setActionExpr(null);
372 setDisabledExpr(null);
373 setEnctypeExpr(null);
374 setFocusExpr(null);
375 setFocusIndexExpr(null);
376 setMethodExpr(null);
377 setOnresetExpr(null);
378 setOnsubmitExpr(null);
379 setReadonlyExpr(null);
380 setScriptLanguageExpr(null);
381 setStyleExpr(null);
382 setStyleClassExpr(null);
383 setStyleIdExpr(null);
384 setTargetExpr(null);
385 setAcceptCharsetExpr(null);
386 }
387
388 /***
389 * Process the start tag.
390 *
391 * @throws JspException if a JSP exception has occurred
392 */
393 public int doStartTag() throws JspException {
394 evaluateExpressions();
395
396 return (super.doStartTag());
397 }
398
399 /***
400 * Processes all attribute values which use the JSTL expression evaluation
401 * engine to determine their values.
402 *
403 * @throws JspException if a JSP exception has occurred
404 */
405 private void evaluateExpressions()
406 throws JspException {
407 String string = null;
408 Boolean bool = null;
409
410 if ((string =
411 EvalHelper.evalString("action", getActionExpr(), this,
412 pageContext)) != null) {
413 setAction(string);
414 }
415
416 if ((bool =
417 EvalHelper.evalBoolean("disabled", getDisabledExpr(), this,
418 pageContext)) != null) {
419 setDisabled(bool.booleanValue());
420 }
421
422 if ((string =
423 EvalHelper.evalString("enctype", getEnctypeExpr(), this,
424 pageContext)) != null) {
425 setEnctype(string);
426 }
427
428 if ((string =
429 EvalHelper.evalString("focus", getFocusExpr(), this, pageContext)) != null) {
430 setFocus(string);
431 }
432
433 if ((string =
434 EvalHelper.evalString("focusIndex", getFocusIndexExpr(), this,
435 pageContext)) != null) {
436 setFocusIndex(string);
437 }
438
439 if ((string =
440 EvalHelper.evalString("method", getMethodExpr(), this,
441 pageContext)) != null) {
442 setMethod(string);
443 }
444
445 if ((string =
446 EvalHelper.evalString("onreset", getOnresetExpr(), this,
447 pageContext)) != null) {
448 setOnreset(string);
449 }
450
451 if ((string =
452 EvalHelper.evalString("onsubmit", getOnsubmitExpr(), this,
453 pageContext)) != null) {
454 setOnsubmit(string);
455 }
456
457 if ((bool =
458 EvalHelper.evalBoolean("readonly", getReadonlyExpr(), this,
459 pageContext)) != null) {
460 setReadonly(bool.booleanValue());
461 }
462
463 if ((bool =
464 EvalHelper.evalBoolean("scriptLanguage",
465 getScriptLanguageExpr(), this, pageContext)) != null) {
466 setScriptLanguage(bool.booleanValue());
467 }
468
469 if ((string =
470 EvalHelper.evalString("style", getStyleExpr(), this, pageContext)) != null) {
471 setStyle(string);
472 }
473
474 if ((string =
475 EvalHelper.evalString("styleClass", getStyleClassExpr(), this,
476 pageContext)) != null) {
477 setStyleClass(string);
478 }
479
480 if ((string =
481 EvalHelper.evalString("styleId", getStyleIdExpr(), this,
482 pageContext)) != null) {
483 setStyleId(string);
484 }
485
486 if ((string =
487 EvalHelper.evalString("target", getTargetExpr(), this,
488 pageContext)) != null) {
489 setTarget(string);
490 }
491
492 if ((string =
493 EvalHelper.evalString("acceptCharset", getAcceptCharsetExpr(),
494 this, pageContext)) != null) {
495 setAcceptCharset(string);
496 }
497 }
498 }