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1
27 package org.htmlparser;
28
29 import java.io.Serializable  ;
30
31
192 public class Attribute
193 implements
194 Serializable
195 {
196
201 protected String mName;
202
203
209 protected String mAssignment;
210
211
217 protected String mValue;
218
219
223 protected char mQuote;
224
225
234 public Attribute (String name, String assignment, String value, char quote)
235 {
236 setName (name);
237 setAssignment (assignment);
238 if (0 == quote)
239 setRawValue (value);
240 else
241 {
242 setValue (value);
243 setQuote (quote);
244 }
245 }
246
247
256 public Attribute (String name, String value, char quote)
257 {
258 this (name, (null == value ? "" : "="), value, quote);
259 }
260
261
267 public Attribute (String value)
268 {
269 if (0 != value.trim ().length ())
270 throw new IllegalArgumentException ("non whitespace value");
271 else
272 {
273 setName (null);
274 setAssignment (null);
275 setValue (value);
276 setQuote ((char)0);
277 }
278 }
279
280
288 public Attribute (String name, String value)
289 {
290 this (name, (null == value ? "" : "="), value, (char)0);
291 }
292
293
300 public Attribute (String name, String assignment, String value)
301 {
302 this (name, assignment, value, (char)0);
303 }
304
305
310 public Attribute ()
311 {
312 this (null, null, null, (char)0);
313 }
314
315
322 public String getName ()
323 {
324 return (mName);
325 }
326
327
332 public void getName (StringBuffer buffer)
333 {
334 if (null != mName)
335 buffer.append (mName);
336 }
337
338
346 public void setName (String name)
347 {
348 mName = name;
349 }
350
351
357 public String getAssignment ()
358 {
359 return (mAssignment);
360 }
361
362
367 public void getAssignment (StringBuffer buffer)
368 {
369 if (null != mAssignment)
370 buffer.append (mAssignment);
371 }
372
373
381 public void setAssignment (String assignment)
382 {
383 mAssignment = assignment;
384 }
385
386
396 public String getValue ()
397 {
398 return (mValue);
399 }
400
401
406 public void getValue (StringBuffer buffer)
407 {
408 if (null != mValue)
409 buffer.append (mValue);
410 }
411
412
421 public void setValue (String value)
422 {
423 mValue = value;
424 }
425
426
431 public char getQuote ()
432 {
433 return (mQuote);
434 }
435
436
441 public void getQuote (StringBuffer buffer)
442 {
443 if (0 != mQuote)
444 buffer.append (mQuote);
445 }
446
447
454 public void setQuote (char quote)
455 {
456 mQuote = quote;
457 }
458
459
466 public String getRawValue ()
467 {
468 char quote;
469 StringBuffer buffer;
470 String ret;
471
472 if (isValued ())
473 {
474 quote = getQuote ();
475 if (0 != quote)
476 {
477 buffer = new StringBuffer (); buffer.append (quote);
479 getValue (buffer);
480 buffer.append (quote);
481 ret = buffer.toString ();
482 }
483 else
484 ret = getValue ();
485 }
486 else
487 ret = null;
488
489 return (ret);
490 }
491
492
499 public void getRawValue (StringBuffer buffer)
500 {
501 getQuote (buffer);
502 getValue (buffer);
503 getQuote (buffer);
504 }
505
506
517 public void setRawValue (String value)
518 {
519 char ch;
520 boolean needed;
521 boolean singleq;
522 boolean doubleq;
523 String ref;
524 StringBuffer buffer;
525 char quote;
526
527 quote = 0;
528 if ((null != value) && (0 != value.trim ().length ()))
529 {
530 if (value.startsWith ("'") && value.endsWith ("'") && (2 <= value.length ()))
531 {
532 quote = '\'';
533 value = value.substring (1, value.length () - 1);
534 }
535 else if (value.startsWith ("\"") && value.endsWith ("\"") && (2 <= value.length ()))
536 {
537 quote = '"';
538 value = value.substring (1, value.length () - 1);
539 }
540 else
541 {
542 needed = false;
545 singleq = true;
546 doubleq = true;
547 for (int i = 0; i < value.length (); i++)
548 {
549 ch = value.charAt (i);
550 if ('\'' == ch)
551 {
552 singleq = false;
553 needed = true;
554 }
555 else if ('"' == ch)
556 {
557 doubleq = false;
558 needed = true;
559 }
560 else if (!('-' == ch) && !('.' == ch) && !('_' == ch)
561 && !(':' == ch) && !Character.isLetterOrDigit (ch))
562 {
563 needed = true;
564 }
565 }
566
567 if (needed)
569 {
570 if (doubleq)
571 quote = '"';
572 else if (singleq)
573 quote = '\'';
574 else
575 {
576 quote = '"';
579 ref = """; buffer = new StringBuffer (value.length() * 5);
582 for (int i = 0; i < value.length (); i++)
583 {
584 ch = value.charAt (i);
585 if (quote == ch)
586 buffer.append (ref);
587 else
588 buffer.append (ch);
589 }
590 value = buffer.toString ();
591 }
592 }
593 }
594 }
595 setValue (value);
596 setQuote (quote);
597 }
598
599
604 public boolean isWhitespace ()
605 {
606 return (null == getName ());
607 }
608
609
614 public boolean isStandAlone ()
615 {
616 return ((null != getName ()) && (null == getAssignment ()));
617 }
618
619
624 public boolean isEmpty ()
625 {
626 return ((null != getAssignment ()) && (null == getValue ()));
627 }
628
629
634 public boolean isValued ()
635 {
636 return (null != getValue ());
637 }
638
639
643 public int getLength ()
644 {
645 String name;
646 String assignment;
647 String value;
648 char quote;
649 int ret;
650
651 ret = 0;
652 name = getName ();
653 if (null != name)
654 ret += name.length ();
655 assignment = getAssignment ();
656 if (null != assignment)
657 ret += assignment.length ();
658 value = getValue ();
659 if (null != value)
660 ret += value.length ();
661 quote = getQuote ();
662 if (0 != quote)
663 ret += 2;
664
665 return (ret);
666 }
667
668
684 public String toString ()
685 {
686 int length;
687 StringBuffer ret;
688
689 length = getLength ();
691 ret = new StringBuffer (length);
692 toString (ret);
693
694 return (ret.toString ());
695 }
696
697
702 public void toString (StringBuffer buffer)
703 {
704 getName (buffer);
705 getAssignment (buffer);
706 getRawValue (buffer);
707 }
708
709 }
710 |
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