Imports a static field or method so it can be referenced by its simple name in EL expressions. The argument must be a fully qualified name in the form className.staticMemberName. The static member must be public. @param name the fully qualified name of the static member to import @throws E
(String name)
| 312 | * member does not exist, or the import would be ambiguous |
| 313 | */ |
| 314 | public void importStatic(String name) throws ELException { |
| 315 | int lastPeriod = name.lastIndexOf('.'); |
| 316 | |
| 317 | if (lastPeriod < 0) { |
| 318 | throw new ELException(Util.message(null, "importHandler.invalidStaticName", name)); |
| 319 | } |
| 320 | |
| 321 | String className = name.substring(0, lastPeriod); |
| 322 | String fieldOrMethodName = name.substring(lastPeriod + 1); |
| 323 | |
| 324 | Class<?> clazz = findClass(className, true); |
| 325 | |
| 326 | if (clazz == null) { |
| 327 | throw new ELException(Util.message(null, "importHandler.invalidClassNameForStatic", className, name)); |
| 328 | } |
| 329 | |
| 330 | boolean found = false; |
| 331 | |
| 332 | for (Field field : clazz.getFields()) { |
| 333 | if (field.getName().equals(fieldOrMethodName)) { |
| 334 | int modifiers = field.getModifiers(); |
| 335 | if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers)) { |
| 336 | found = true; |
| 337 | break; |
| 338 | } |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | if (!found) { |
| 343 | for (Method method : clazz.getMethods()) { |
| 344 | if (method.getName().equals(fieldOrMethodName)) { |
| 345 | int modifiers = method.getModifiers(); |
| 346 | if (Modifier.isStatic(modifiers) && Modifier.isPublic(modifiers)) { |
| 347 | found = true; |
| 348 | break; |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | |
| 354 | if (!found) { |
| 355 | throw new ELException( |
| 356 | Util.message(null, "importHandler.staticNotFound", fieldOrMethodName, className, name)); |
| 357 | } |
| 358 | |
| 359 | Class<?> conflict = statics.get(fieldOrMethodName); |
| 360 | if (conflict != null) { |
| 361 | throw new ELException(Util.message(null, "importHandler.ambiguousStaticImport", name, |
| 362 | conflict.getName() + '.' + fieldOrMethodName)); |
| 363 | } |
| 364 | |
| 365 | statics.put(fieldOrMethodName, clazz); |
| 366 | } |
| 367 | |
| 368 | |
| 369 | /** |