372 //
373 static Level findLevel(String name) {
374 if (name == null) {
375 throw new NullPointerException();
376 }
377
378 Optional<Level> level;
379
380 // Look for a known Level with the given non-localized name.
381 level = KnownLevel.findByName(name, KnownLevel::mirrored);
382 if (level.isPresent()) {
383 return level.get();
384 }
385
386 // Now, check if the given name is an integer. If so,
387 // first look for a Level with the given value and then
388 // if necessary create one.
389 try {
390 int x = Integer.parseInt(name);
391 level = KnownLevel.findByValue(x, KnownLevel::mirrored);
392 if (!level.isPresent()) {
393 // add new Level
394 Level levelObject = new Level(name, x);
395 // There's no need to use a reachability fence here because
396 // KnownLevel keeps a strong reference on the level when
397 // level.getClass() == Level.class.
398 return KnownLevel.findByValue(x, KnownLevel::mirrored).get();
399 }
400 } catch (NumberFormatException ex) {
401 // Not an integer.
402 // Drop through.
403 }
404
405 level = KnownLevel.findByLocalizedLevelName(name,
406 KnownLevel::mirrored);
407 if (level.isPresent()) {
408 return level.get();
409 }
410
411 return null;
412 }
413
414 /**
415 * Returns a string representation of this Level.
416 *
417 * @return the non-localized name of the Level, for example "INFO".
418 */
419 @Override
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372 //
373 static Level findLevel(String name) {
374 if (name == null) {
375 throw new NullPointerException();
376 }
377
378 Optional<Level> level;
379
380 // Look for a known Level with the given non-localized name.
381 level = KnownLevel.findByName(name, KnownLevel::mirrored);
382 if (level.isPresent()) {
383 return level.get();
384 }
385
386 // Now, check if the given name is an integer. If so,
387 // first look for a Level with the given value and then
388 // if necessary create one.
389 try {
390 int x = Integer.parseInt(name);
391 level = KnownLevel.findByValue(x, KnownLevel::mirrored);
392 if (level.isPresent()) {
393 return level.get();
394 }
395 // add new Level
396 Level levelObject = new Level(name, x);
397 // There's no need to use a reachability fence here because
398 // KnownLevel keeps a strong reference on the level when
399 // level.getClass() == Level.class.
400 return KnownLevel.findByValue(x, KnownLevel::mirrored).get();
401 } catch (NumberFormatException ex) {
402 // Not an integer.
403 // Drop through.
404 }
405
406 level = KnownLevel.findByLocalizedLevelName(name,
407 KnownLevel::mirrored);
408 if (level.isPresent()) {
409 return level.get();
410 }
411
412 return null;
413 }
414
415 /**
416 * Returns a string representation of this Level.
417 *
418 * @return the non-localized name of the Level, for example "INFO".
419 */
420 @Override
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