1
14
15 package com.liferay.portal.kernel.util;
16
17 import com.liferay.portal.kernel.io.unsync.UnsyncBufferedReader;
18 import com.liferay.portal.kernel.io.unsync.UnsyncStringReader;
19 import com.liferay.portal.kernel.log.Log;
20 import com.liferay.portal.kernel.log.LogFactoryUtil;
21
22 import java.io.IOException;
23 import java.io.InputStream;
24 import java.io.InputStreamReader;
25
26 import java.net.URL;
27
28 import java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.Enumeration;
31 import java.util.List;
32 import java.util.Map;
33 import java.util.StringTokenizer;
34 import java.util.regex.Matcher;
35 import java.util.regex.Pattern;
36
37
44 public class StringUtil {
45
46 public static String add(String s, String add) {
47 return add(s, add, StringPool.COMMA);
48 }
49
50 public static String add(String s, String add, String delimiter) {
51 return add(s, add, delimiter, false);
52 }
53
54 public static String add(
55 String s, String add, String delimiter, boolean allowDuplicates) {
56
57 if ((add == null) || (delimiter == null)) {
58 return null;
59 }
60
61 if (s == null) {
62 s = StringPool.BLANK;
63 }
64
65 if (allowDuplicates || !contains(s, add, delimiter)) {
66 StringBundler sb = new StringBundler();
67
68 sb.append(s);
69
70 if (Validator.isNull(s) || s.endsWith(delimiter)) {
71 sb.append(add);
72 sb.append(delimiter);
73 }
74 else {
75 sb.append(delimiter);
76 sb.append(add);
77 sb.append(delimiter);
78 }
79
80 s = sb.toString();
81 }
82
83 return s;
84 }
85
86 public static String bytesToHexString(byte[] bytes) {
87 StringBuilder sb = new StringBuilder(bytes.length * 2);
88
89 for (int i = 0; i < bytes.length; i++) {
90 String hex = Integer.toHexString(
91 0x0100 + (bytes[i] & 0x00FF)).substring(1);
92
93 if (hex.length() < 2) {
94 sb.append("0");
95 }
96
97 sb.append(hex);
98 }
99
100 return sb.toString();
101 }
102
103 public static boolean contains(String s, String text) {
104 return contains(s, text, StringPool.COMMA);
105 }
106
107 public static boolean contains(String s, String text, String delimiter) {
108 if ((s == null) || (text == null) || (delimiter == null)) {
109 return false;
110 }
111
112 if (!s.endsWith(delimiter)) {
113 s = s.concat(delimiter);
114 }
115
116 String dtd = delimiter.concat(text).concat(delimiter);
117
118 int pos = s.indexOf(dtd);
119
120 if (pos == -1) {
121 String td = text.concat(delimiter);
122
123 if (s.startsWith(td)) {
124 return true;
125 }
126
127 return false;
128 }
129
130 return true;
131 }
132
133 public static int count(String s, String text) {
134 if ((s == null) || (text == null)) {
135 return 0;
136 }
137
138 int count = 0;
139
140 int pos = s.indexOf(text);
141
142 while (pos != -1) {
143 pos = s.indexOf(text, pos + text.length());
144
145 count++;
146 }
147
148 return count;
149 }
150
151 public static boolean endsWith(String s, char end) {
152 return endsWith(s, (new Character(end)).toString());
153 }
154
155 public static boolean endsWith(String s, String end) {
156 if ((s == null) || (end == null)) {
157 return false;
158 }
159
160 if (end.length() > s.length()) {
161 return false;
162 }
163
164 String temp = s.substring(s.length() - end.length(), s.length());
165
166 if (temp.equalsIgnoreCase(end)) {
167 return true;
168 }
169 else {
170 return false;
171 }
172 }
173
174 public static String extractChars(String s) {
175 if (s == null) {
176 return StringPool.BLANK;
177 }
178
179 StringBuilder sb = new StringBuilder();
180
181 char[] charArray = s.toCharArray();
182
183 for (int i = 0; i < charArray.length; i++) {
184 if (Validator.isChar(charArray[i])) {
185 sb.append(charArray[i]);
186 }
187 }
188
189 return sb.toString();
190 }
191
192 public static String extractDigits(String s) {
193 if (s == null) {
194 return StringPool.BLANK;
195 }
196
197 StringBuilder sb = new StringBuilder();
198
199 char[] charArray = s.toCharArray();
200
201 for (int i = 0; i < charArray.length; i++) {
202 if (Validator.isDigit(charArray[i])) {
203 sb.append(charArray[i]);
204 }
205 }
206
207 return sb.toString();
208 }
209
210 public static String extractFirst(String s, String delimiter) {
211 if (s == null) {
212 return null;
213 }
214 else {
215 String[] array = split(s, delimiter);
216
217 if (array.length > 0) {
218 return array[0];
219 }
220 else {
221 return null;
222 }
223 }
224 }
225
226 public static String extractLast(String s, String delimiter) {
227 if (s == null) {
228 return null;
229 }
230 else {
231 String[] array = split(s, delimiter);
232
233 if (array.length > 0) {
234 return array[array.length - 1];
235 }
236 else {
237 return null;
238 }
239 }
240 }
241
242
245 public static String highlight(String s, String keywords) {
246 return highlight(s, keywords, "<span class=\"highlight\">", "</span>");
247 }
248
249
252 public static String highlight(
253 String s, String keywords, String highlight1, String highlight2) {
254
255 if (Validator.isNull(s) || Validator.isNull(keywords)) {
256 return s;
257 }
258
259 Pattern pattern = Pattern.compile(
260 Pattern.quote(keywords), Pattern.CASE_INSENSITIVE);
261
262 return _highlight(s, pattern, highlight1, highlight2);
263 }
264
265 public static String highlight(String s, String[] queryTerms) {
266 return highlight(
267 s, queryTerms, "<span class=\"highlight\">", "</span>");
268 }
269
270 public static String highlight(
271 String s, String[] queryTerms, String highlight1, String highlight2) {
272
273 if (Validator.isNull(s) || Validator.isNull(queryTerms)) {
274 return s;
275 }
276
277 StringBundler sb = null;
278
279 if (queryTerms.length == 0) {
280 sb = new StringBundler();
281 }
282 else {
283 sb = new StringBundler(2 * queryTerms.length - 1);
284 }
285
286 for (int i = 0; i < queryTerms.length; i++) {
287 sb.append(Pattern.quote(queryTerms[i].trim()));
288
289 if ((i + 1) < queryTerms.length) {
290 sb.append(StringPool.PIPE);
291 }
292 }
293
294 int flags =
295 Pattern.CANON_EQ | Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE;
296
297 Pattern pattern = Pattern.compile(sb.toString(), flags);
298
299 return _highlight(s, pattern, highlight1, highlight2);
300 }
301
302 public static String insert(String s, String insert, int offset) {
303 if (s == null) {
304 return null;
305 }
306
307 if (insert == null) {
308 return s;
309 }
310
311 if (offset > s.length()) {
312 offset = s.length();
313 }
314
315 StringBuilder sb = new StringBuilder(s);
316
317 sb.insert(offset, insert);
318
319 return sb.toString();
320 }
321
322 public static String lowerCase(String s) {
323 if (s == null) {
324 return null;
325 }
326 else {
327 return s.toLowerCase();
328 }
329 }
330
331 public static boolean matches(String s, String pattern) {
332 String[] array = pattern.split("\\*");
333
334 for (int i = 0; i < array.length; i++) {
335 int pos = s.indexOf(array[i]);
336
337 if (pos == -1) {
338 return false;
339 }
340
341 s = s.substring(pos + array[i].length());
342 }
343
344 return true;
345 }
346
347 public static String merge(boolean[] array) {
348 return merge(array, StringPool.COMMA);
349 }
350
351 public static String merge(boolean[] array, String delimiter) {
352 if (array == null) {
353 return null;
354 }
355
356 StringBundler sb = null;
357
358 if (array.length == 0) {
359 sb = new StringBundler();
360 }
361 else {
362 sb = new StringBundler(2 * array.length - 1);
363 }
364
365 for (int i = 0; i < array.length; i++) {
366 sb.append(String.valueOf(array[i]).trim());
367
368 if ((i + 1) != array.length) {
369 sb.append(delimiter);
370 }
371 }
372
373 return sb.toString();
374 }
375
376 public static String merge(Collection<?> col) {
377 return merge(col, StringPool.COMMA);
378 }
379
380 public static String merge(Collection<?> col, String delimiter) {
381 if (col == null) {
382 return null;
383 }
384
385 return merge(col.toArray(new Object[col.size()]), delimiter);
386 }
387
388 public static String merge(double[] array) {
389 return merge(array, StringPool.COMMA);
390 }
391
392 public static String merge(double[] array, String delimiter) {
393 if (array == null) {
394 return null;
395 }
396
397 StringBundler sb = null;
398
399 if (array.length == 0) {
400 sb = new StringBundler();
401 }
402 else {
403 sb = new StringBundler(2 * array.length - 1);
404 }
405
406 for (int i = 0; i < array.length; i++) {
407 sb.append(String.valueOf(array[i]).trim());
408
409 if ((i + 1) != array.length) {
410 sb.append(delimiter);
411 }
412 }
413
414 return sb.toString();
415 }
416
417 public static String merge(float[] array) {
418 return merge(array, StringPool.COMMA);
419 }
420
421 public static String merge(float[] array, String delimiter) {
422 if (array == null) {
423 return null;
424 }
425
426 StringBundler sb = null;
427
428 if (array.length == 0) {
429 sb = new StringBundler();
430 }
431 else {
432 sb = new StringBundler(2 * array.length - 1);
433 }
434
435 for (int i = 0; i < array.length; i++) {
436 sb.append(String.valueOf(array[i]).trim());
437
438 if ((i + 1) != array.length) {
439 sb.append(delimiter);
440 }
441 }
442
443 return sb.toString();
444 }
445
446 public static String merge(int[] array) {
447 return merge(array, StringPool.COMMA);
448 }
449
450 public static String merge(int[] array, String delimiter) {
451 if (array == null) {
452 return null;
453 }
454
455 StringBundler sb = null;
456
457 if (array.length == 0){
458 sb = new StringBundler();
459 }
460 else {
461 sb = new StringBundler(2 * array.length - 1);
462 }
463
464 for (int i = 0; i < array.length; i++) {
465 sb.append(String.valueOf(array[i]).trim());
466
467 if ((i + 1) != array.length) {
468 sb.append(delimiter);
469 }
470 }
471
472 return sb.toString();
473 }
474
475 public static String merge(long[] array) {
476 return merge(array, StringPool.COMMA);
477 }
478
479 public static String merge(long[] array, String delimiter) {
480 if (array == null) {
481 return null;
482 }
483
484 StringBundler sb = null;
485
486 if (array.length == 0) {
487 sb = new StringBundler();
488 }
489 else {
490 sb = new StringBundler(2 * array.length - 1);
491 }
492
493 for (int i = 0; i < array.length; i++) {
494 sb.append(String.valueOf(array[i]).trim());
495
496 if ((i + 1) != array.length) {
497 sb.append(delimiter);
498 }
499 }
500
501 return sb.toString();
502 }
503
504 public static String merge(Object[] array) {
505 return merge(array, StringPool.COMMA);
506 }
507
508 public static String merge(Object[] array, String delimiter) {
509 if (array == null) {
510 return null;
511 }
512
513 StringBundler sb = null;
514
515 if (array.length == 0) {
516 sb = new StringBundler();
517 }
518 else {
519 sb = new StringBundler(2 * array.length - 1);
520 }
521
522 for (int i = 0; i < array.length; i++) {
523 sb.append(String.valueOf(array[i]).trim());
524
525 if ((i + 1) != array.length) {
526 sb.append(delimiter);
527 }
528 }
529
530 return sb.toString();
531 }
532
533 public static String merge(short[] array) {
534 return merge(array, StringPool.COMMA);
535 }
536
537 public static String merge(short[] array, String delimiter) {
538 if (array == null) {
539 return null;
540 }
541
542 StringBundler sb = null;
543
544 if (array.length == 0) {
545 sb = new StringBundler();
546 }
547 else {
548 sb = new StringBundler(2 * array.length - 1);
549 }
550
551 for (int i = 0; i < array.length; i++) {
552 sb.append(String.valueOf(array[i]).trim());
553
554 if ((i + 1) != array.length) {
555 sb.append(delimiter);
556 }
557 }
558
559 return sb.toString();
560 }
561
562 public static String randomize(String s) {
563 return Randomizer.getInstance().randomize(s);
564 }
565
566 public static String read(ClassLoader classLoader, String name)
567 throws IOException {
568
569 return read(classLoader, name, false);
570 }
571
572 public static String read(ClassLoader classLoader, String name, boolean all)
573 throws IOException {
574
575 if (all) {
576 StringBundler sb = new StringBundler();
577
578 Enumeration<URL> enu = classLoader.getResources(name);
579
580 while (enu.hasMoreElements()) {
581 URL url = enu.nextElement();
582
583 InputStream is = url.openStream();
584
585 if (is == null) {
586 throw new IOException(
587 "Unable to open resource at " + url.toString());
588 }
589
590 String s = read(is);
591
592 if (s != null) {
593 sb.append(s);
594 sb.append(StringPool.NEW_LINE);
595 }
596
597 is.close();
598 }
599
600 return sb.toString().trim();
601 }
602 else {
603 InputStream is = classLoader.getResourceAsStream(name);
604
605 if (is == null) {
606 throw new IOException(
607 "Unable to open resource in class loader " + name);
608 }
609
610 String s = read(is);
611
612 is.close();
613
614 return s;
615 }
616 }
617
618 public static String read(InputStream is) throws IOException {
619 StringBundler sb = new StringBundler();
620
621 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
622 new InputStreamReader(is));
623
624 String line = null;
625
626 while ((line = unsyncBufferedReader.readLine()) != null) {
627 sb.append(line);
628 sb.append(CharPool.NEW_LINE);
629 }
630
631 unsyncBufferedReader.close();
632
633 return sb.toString().trim();
634 }
635
636 public static String remove(String s, String remove) {
637 return remove(s, remove, StringPool.COMMA);
638 }
639
640 public static String remove(String s, String remove, String delimiter) {
641 if ((s == null) || (remove == null) || (delimiter == null)) {
642 return null;
643 }
644
645 if (Validator.isNotNull(s) && !s.endsWith(delimiter)) {
646 s += delimiter;
647 }
648
649 String drd = delimiter.concat(remove).concat(delimiter);
650
651 String rd = remove.concat(delimiter);
652
653 while (contains(s, remove, delimiter)) {
654 int pos = s.indexOf(drd);
655
656 if (pos == -1) {
657 if (s.startsWith(rd)) {
658 int x = remove.length() + delimiter.length();
659 int y = s.length();
660
661 s = s.substring(x, y);
662 }
663 }
664 else {
665 int x = pos + remove.length() + delimiter.length();
666 int y = s.length();
667
668 String temp = s.substring(0, pos);
669
670 s = temp.concat(s.substring(x, y));
671 }
672 }
673
674 return s;
675 }
676
677 public static String replace(String s, char oldSub, char newSub) {
678 if (s == null) {
679 return null;
680 }
681
682 return s.replace(oldSub, newSub);
683 }
684
685 public static String replace(String s, char oldSub, String newSub) {
686 if ((s == null) || (newSub == null)) {
687 return null;
688 }
689
690
693 StringBuilder sb = new StringBuilder(s.length() + 5 * newSub.length());
694
695 char[] charArray = s.toCharArray();
696
697 for (char c : charArray) {
698 if (c == oldSub) {
699 sb.append(newSub);
700 }
701 else {
702 sb.append(c);
703 }
704 }
705
706 return sb.toString();
707 }
708
709 public static String replace(String s, String oldSub, String newSub) {
710 return replace(s, oldSub, newSub, 0);
711 }
712
713 public static String replace(
714 String s, String oldSub, String newSub, int fromIndex) {
715
716 if ((s == null) || (oldSub == null) || (newSub == null)) {
717 return null;
718 }
719
720 int y = s.indexOf(oldSub, fromIndex);
721
722 if (y >= 0) {
723 StringBundler sb = new StringBundler();
724
725 int length = oldSub.length();
726 int x = 0;
727
728 while (x <= y) {
729 sb.append(s.substring(x, y));
730 sb.append(newSub);
731
732 x = y + length;
733 y = s.indexOf(oldSub, x);
734 }
735
736 sb.append(s.substring(x));
737
738 return sb.toString();
739 }
740 else {
741 return s;
742 }
743 }
744
745 public static String replace(
746 String s, String begin, String end, Map<String, String> values) {
747
748 if ((s == null) || (begin == null) || (end == null) ||
749 (values == null) || (values.size() == 0)) {
750
751 return s;
752 }
753
754 StringBundler sb = new StringBundler(values.size() * 2 + 1);
755
756 int pos = 0;
757
758 while (true) {
759 int x = s.indexOf(begin, pos);
760 int y = s.indexOf(end, x + begin.length());
761
762 if ((x == -1) || (y == -1)) {
763 sb.append(s.substring(pos, s.length()));
764
765 break;
766 }
767 else {
768 sb.append(s.substring(pos, x));
769
770 String oldValue = s.substring(x + begin.length(), y);
771
772 String newValue = values.get(oldValue);
773
774 if (newValue == null) {
775 newValue = oldValue;
776 }
777
778 sb.append(newValue);
779
780 pos = y + end.length();
781 }
782 }
783
784 return sb.toString();
785 }
786
787 public static String replace(String s, String[] oldSubs, String[] newSubs) {
788 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
789 return null;
790 }
791
792 if (oldSubs.length != newSubs.length) {
793 return s;
794 }
795
796 for (int i = 0; i < oldSubs.length; i++) {
797 s = replace(s, oldSubs[i], newSubs[i]);
798 }
799
800 return s;
801 }
802
803 public static String replace(
804 String s, String[] oldSubs, String[] newSubs, boolean exactMatch) {
805
806 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
807 return null;
808 }
809
810 if (oldSubs.length != newSubs.length) {
811 return s;
812 }
813
814 if (!exactMatch) {
815 replace(s, oldSubs, newSubs);
816 }
817 else {
818 for (int i = 0; i < oldSubs.length; i++) {
819 s = s.replaceAll("\\b" + oldSubs[i] + "\\b" , newSubs[i]);
820 }
821 }
822
823 return s;
824 }
825
826 public static String replaceFirst(String s, char oldSub, char newSub) {
827 if (s == null) {
828 return null;
829 }
830
831 return s.replaceFirst(String.valueOf(oldSub), String.valueOf(newSub));
832 }
833
834 public static String replaceFirst(String s, char oldSub, String newSub) {
835 if ((s == null) || (newSub == null)) {
836 return null;
837 }
838
839 return s.replaceFirst(String.valueOf(oldSub), newSub);
840 }
841
842 public static String replaceFirst(String s, String oldSub, String newSub) {
843 if ((s == null) || (oldSub == null) || (newSub == null)) {
844 return null;
845 }
846
847 return s.replaceFirst(oldSub, newSub);
848 }
849
850 public static String replaceFirst(
851 String s, String[] oldSubs, String[] newSubs) {
852
853 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
854 return null;
855 }
856
857 if (oldSubs.length != newSubs.length) {
858 return s;
859 }
860
861 for (int i = 0; i < oldSubs.length; i++) {
862 s = replaceFirst(s, oldSubs[i], newSubs[i]);
863 }
864
865 return s;
866 }
867
868 public static String replaceLast(String s, char oldSub, char newSub) {
869 if (s == null) {
870 return null;
871 }
872
873 return replaceLast(s, String.valueOf(oldSub), String.valueOf(newSub));
874 }
875
876 public static String replaceLast(String s, char oldSub, String newSub) {
877 if ((s == null) || (newSub == null)) {
878 return null;
879 }
880
881 return replaceLast(s, String.valueOf(oldSub), newSub);
882 }
883
884 public static String replaceLast(String s, String oldSub, String newSub) {
885 if ((s == null) || (oldSub == null) || (newSub == null)) {
886 return null;
887 }
888
889 int y = s.lastIndexOf(oldSub);
890
891 if (y >= 0) {
892 StringBundler sb = new StringBundler();
893
894 int length = oldSub.length();
895 int x = 0;
896
897 while (x <= y) {
898 sb.append(s.substring(x, y));
899 sb.append(newSub);
900
901 x = y + length;
902 y = s.indexOf(oldSub, x);
903 }
904
905 sb.append(s.substring(x));
906
907 return sb.toString();
908 }
909 else {
910 return s;
911 }
912 }
913
914 public static String replaceLast(
915 String s, String[] oldSubs, String[] newSubs) {
916
917 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
918 return null;
919 }
920
921 if (oldSubs.length != newSubs.length) {
922 return s;
923 }
924
925 for (int i = 0; i < oldSubs.length; i++) {
926 s = replaceLast(s, oldSubs[i], newSubs[i]);
927 }
928
929 return s;
930 }
931
932
945 public static String replaceValues(
946 String s, String begin, String end, Map<String, String> values) {
947
948 if ((s == null) || (begin == null) || (end == null) ||
949 (values == null) || (values.size() == 0)) {
950
951 return s;
952 }
953
954 StringBundler sb = new StringBundler(values.size() * 2 + 1);
955
956 int pos = 0;
957
958 while (true) {
959 int x = s.indexOf(begin, pos);
960 int y = s.indexOf(end, x + begin.length());
961
962 if ((x == -1) || (y == -1)) {
963 sb.append(s.substring(pos, s.length()));
964
965 break;
966 }
967 else {
968 sb.append(s.substring(pos, x + begin.length()));
969
970 String oldValue = s.substring(x + begin.length(), y);
971
972 String newValue = values.get(oldValue);
973
974 if (newValue == null) {
975 newValue = oldValue;
976 }
977
978 sb.append(newValue);
979
980 pos = y;
981 }
982 }
983
984 return sb.toString();
985 }
986
987 public static String reverse(String s) {
988 if (s == null) {
989 return null;
990 }
991
992 char[] charArray = s.toCharArray();
993 char[] reverse = new char[charArray.length];
994
995 for (int i = 0; i < charArray.length; i++) {
996 reverse[i] = charArray[charArray.length - i - 1];
997 }
998
999 return new String(reverse);
1000 }
1001
1002 public static String safePath(String path) {
1003 return replace(path, StringPool.DOUBLE_SLASH, StringPool.SLASH);
1004 }
1005
1006 public static String shorten(String s) {
1007 return shorten(s, 20);
1008 }
1009
1010 public static String shorten(String s, int length) {
1011 return shorten(s, length, "...");
1012 }
1013
1014 public static String shorten(String s, int length, String suffix) {
1015 if ((s == null) || (suffix == null)) {
1016 return null;
1017 }
1018
1019 if (s.length() > length) {
1020 for (int j = length; j >= 0; j--) {
1021 if (Character.isWhitespace(s.charAt(j))) {
1022 length = j;
1023
1024 break;
1025 }
1026 }
1027
1028 String temp = s.substring(0, length);
1029
1030 s = temp.concat(suffix);
1031 }
1032
1033 return s;
1034 }
1035
1036 public static String shorten(String s, String suffix) {
1037 return shorten(s, 20, suffix);
1038 }
1039
1040 public static String[] split(String s) {
1041 return split(s, StringPool.COMMA);
1042 }
1043
1044 public static boolean[] split(String s, boolean x) {
1045 return split(s, StringPool.COMMA, x);
1046 }
1047
1048 public static double[] split(String s, double x) {
1049 return split(s, StringPool.COMMA, x);
1050 }
1051
1052 public static float[] split(String s, float x) {
1053 return split(s, StringPool.COMMA, x);
1054 }
1055
1056 public static int[] split(String s, int x) {
1057 return split(s, StringPool.COMMA, x);
1058 }
1059
1060 public static long[] split(String s, long x) {
1061 return split(s, StringPool.COMMA, x);
1062 }
1063
1064 public static short[] split(String s, short x) {
1065 return split(s, StringPool.COMMA, x);
1066 }
1067
1068 public static String[] split(String s, String delimiter) {
1069 if ((Validator.isNull(s)) || (delimiter == null) ||
1070 (delimiter.equals(StringPool.BLANK))) {
1071
1072 return new String[0];
1073 }
1074
1075 s = s.trim();
1076
1077 if (s.equals(delimiter)) {
1078 return new String[0];
1079 }
1080
1081 List<String> nodeValues = new ArrayList<String>();
1082
1083 if (delimiter.equals(StringPool.NEW_LINE) ||
1084 delimiter.equals(StringPool.RETURN)) {
1085
1086 try {
1087 UnsyncBufferedReader unsyncBufferedReader =
1088 new UnsyncBufferedReader(new UnsyncStringReader(s));
1089
1090 String line = null;
1091
1092 while ((line = unsyncBufferedReader.readLine()) != null) {
1093 nodeValues.add(line);
1094 }
1095
1096 unsyncBufferedReader.close();
1097 }
1098 catch (IOException ioe) {
1099 _log.error(ioe.getMessage());
1100 }
1101 }
1102 else {
1103 int offset = 0;
1104 int pos = s.indexOf(delimiter, offset);
1105
1106 while (pos != -1) {
1107 nodeValues.add(s.substring(offset, pos));
1108
1109 offset = pos + delimiter.length();
1110 pos = s.indexOf(delimiter, offset);
1111 }
1112
1113 if (offset < s.length()) {
1114 nodeValues.add(s.substring(offset));
1115 }
1116 }
1117
1118 return nodeValues.toArray(new String[nodeValues.size()]);
1119 }
1120
1121 public static boolean[] split(String s, String delimiter, boolean x) {
1122 String[] array = split(s, delimiter);
1123 boolean[] newArray = new boolean[array.length];
1124
1125 for (int i = 0; i < array.length; i++) {
1126 boolean value = x;
1127
1128 try {
1129 value = Boolean.valueOf(array[i]).booleanValue();
1130 }
1131 catch (Exception e) {
1132 }
1133
1134 newArray[i] = value;
1135 }
1136
1137 return newArray;
1138 }
1139
1140 public static double[] split(String s, String delimiter, double x) {
1141 String[] array = split(s, delimiter);
1142 double[] newArray = new double[array.length];
1143
1144 for (int i = 0; i < array.length; i++) {
1145 double value = x;
1146
1147 try {
1148 value = Double.parseDouble(array[i]);
1149 }
1150 catch (Exception e) {
1151 }
1152
1153 newArray[i] = value;
1154 }
1155
1156 return newArray;
1157 }
1158
1159 public static float[] split(String s, String delimiter, float x) {
1160 String[] array = split(s, delimiter);
1161 float[] newArray = new float[array.length];
1162
1163 for (int i = 0; i < array.length; i++) {
1164 float value = x;
1165
1166 try {
1167 value = Float.parseFloat(array[i]);
1168 }
1169 catch (Exception e) {
1170 }
1171
1172 newArray[i] = value;
1173 }
1174
1175 return newArray;
1176 }
1177
1178 public static int[] split(String s, String delimiter, int x) {
1179 String[] array = split(s, delimiter);
1180 int[] newArray = new int[array.length];
1181
1182 for (int i = 0; i < array.length; i++) {
1183 int value = x;
1184
1185 try {
1186 value = Integer.parseInt(array[i]);
1187 }
1188 catch (Exception e) {
1189 }
1190
1191 newArray[i] = value;
1192 }
1193
1194 return newArray;
1195 }
1196
1197 public static long[] split(String s, String delimiter, long x) {
1198 String[] array = split(s, delimiter);
1199 long[] newArray = new long[array.length];
1200
1201 for (int i = 0; i < array.length; i++) {
1202 long value = x;
1203
1204 try {
1205 value = Long.parseLong(array[i]);
1206 }
1207 catch (Exception e) {
1208 }
1209
1210 newArray[i] = value;
1211 }
1212
1213 return newArray;
1214 }
1215
1216 public static short[] split(String s, String delimiter, short x) {
1217 String[] array = split(s, delimiter);
1218 short[] newArray = new short[array.length];
1219
1220 for (int i = 0; i < array.length; i++) {
1221 short value = x;
1222
1223 try {
1224 value = Short.parseShort(array[i]);
1225 }
1226 catch (Exception e) {
1227 }
1228
1229 newArray[i] = value;
1230 }
1231
1232 return newArray;
1233 }
1234
1235 public static boolean startsWith(String s, char begin) {
1236 return startsWith(s, (new Character(begin)).toString());
1237 }
1238
1239 public static boolean startsWith(String s, String start) {
1240 if ((s == null) || (start == null)) {
1241 return false;
1242 }
1243
1244 if (start.length() > s.length()) {
1245 return false;
1246 }
1247
1248 String temp = s.substring(0, start.length());
1249
1250 if (temp.equalsIgnoreCase(start)) {
1251 return true;
1252 }
1253 else {
1254 return false;
1255 }
1256 }
1257
1258
1265 public static int startsWithWeight(String s1, String s2) {
1266 if ((s1 == null) || (s2 == null)) {
1267 return 0;
1268 }
1269
1270 char[] charArray1 = s1.toCharArray();
1271 char[] charArray2 = s2.toCharArray();
1272
1273 int i = 0;
1274
1275 for (; (i < charArray1.length) && (i < charArray2.length); i++) {
1276 if (charArray1[i] != charArray2[i]) {
1277 break;
1278 }
1279 }
1280
1281 return i;
1282 }
1283
1284 public static String stripBetween(String s, String begin, String end) {
1285 if ((s == null) || (begin == null) || (end == null)) {
1286 return s;
1287 }
1288
1289 StringBuilder sb = new StringBuilder(s.length());
1290
1291 int pos = 0;
1292
1293 while (true) {
1294 int x = s.indexOf(begin, pos);
1295 int y = s.indexOf(end, x + begin.length());
1296
1297 if ((x == -1) || (y == -1)) {
1298 sb.append(s.substring(pos, s.length()));
1299
1300 break;
1301 }
1302 else {
1303 sb.append(s.substring(pos, x));
1304
1305 pos = y + end.length();
1306 }
1307 }
1308
1309 return sb.toString();
1310 }
1311
1312 public static String trim(String s) {
1313 return trim(s, null);
1314 }
1315
1316 public static String trim(String s, char c) {
1317 return trim(s, new char[] {c});
1318 }
1319
1320 public static String trim(String s, char[] exceptions) {
1321 if (s == null) {
1322 return null;
1323 }
1324
1325 char[] charArray = s.toCharArray();
1326
1327 int len = charArray.length;
1328
1329 int x = 0;
1330 int y = charArray.length;
1331
1332 for (int i = 0; i < len; i++) {
1333 char c = charArray[i];
1334
1335 if (_isTrimable(c, exceptions)) {
1336 x = i + 1;
1337 }
1338 else {
1339 break;
1340 }
1341 }
1342
1343 for (int i = len - 1; i >= 0; i--) {
1344 char c = charArray[i];
1345
1346 if (_isTrimable(c, exceptions)) {
1347 y = i;
1348 }
1349 else {
1350 break;
1351 }
1352 }
1353
1354 if ((x != 0) || (y != len)) {
1355 return s.substring(x, y);
1356 }
1357 else {
1358 return s;
1359 }
1360 }
1361
1362 public static String trimLeading(String s) {
1363 return trimLeading(s, null);
1364 }
1365
1366 public static String trimLeading(String s, char c) {
1367 return trimLeading(s, new char[] {c});
1368 }
1369
1370 public static String trimLeading(String s, char[] exceptions) {
1371 if (s == null) {
1372 return null;
1373 }
1374
1375 char[] charArray = s.toCharArray();
1376
1377 int len = charArray.length;
1378
1379 int x = 0;
1380 int y = charArray.length;
1381
1382 for (int i = 0; i < len; i++) {
1383 char c = charArray[i];
1384
1385 if (_isTrimable(c, exceptions)) {
1386 x = i + 1;
1387 }
1388 else {
1389 break;
1390 }
1391 }
1392
1393 if ((x != 0) || (y != len)) {
1394 return s.substring(x, y);
1395 }
1396 else {
1397 return s;
1398 }
1399 }
1400
1401 public static String trimTrailing(String s) {
1402 return trimTrailing(s, null);
1403 }
1404
1405 public static String trimTrailing(String s, char c) {
1406 return trimTrailing(s, new char[] {c});
1407 }
1408
1409 public static String trimTrailing(String s, char[] exceptions) {
1410 if (s == null) {
1411 return null;
1412 }
1413
1414 char[] charArray = s.toCharArray();
1415
1416 int len = charArray.length;
1417
1418 int x = 0;
1419 int y = charArray.length;
1420
1421 for (int i = len - 1; i >= 0; i--) {
1422 char c = charArray[i];
1423
1424 if (_isTrimable(c, exceptions)) {
1425 y = i;
1426 }
1427 else {
1428 break;
1429 }
1430 }
1431
1432 if ((x != 0) || (y != len)) {
1433 return s.substring(x, y);
1434 }
1435 else {
1436 return s;
1437 }
1438 }
1439
1440 public static String upperCase(String s) {
1441 if (s == null) {
1442 return null;
1443 }
1444 else {
1445 return s.toUpperCase();
1446 }
1447 }
1448
1449 public static String upperCaseFirstLetter(String s) {
1450 char[] charArray = s.toCharArray();
1451
1452 if ((charArray[0] >= 97) && (charArray[0] <= 122)) {
1453 charArray[0] = (char)(charArray[0] - 32);
1454 }
1455
1456 return new String(charArray);
1457 }
1458
1459 public static String valueOf(Object obj) {
1460 return String.valueOf(obj);
1461 }
1462
1463 public static String wrap(String text) {
1464 return wrap(text, 80, StringPool.NEW_LINE);
1465 }
1466
1467 public static String wrap(String text, int width, String lineSeparator) {
1468 try {
1469 return _wrap(text, width, lineSeparator);
1470 }
1471 catch (IOException ioe) {
1472 _log.error(ioe.getMessage());
1473
1474 return text;
1475 }
1476 }
1477
1478 private static String _highlight(
1479 String s, Pattern pattern, String highlight1, String highlight2) {
1480
1481 StringTokenizer st = new StringTokenizer(s);
1482
1483 StringBundler sb = null;
1484
1485 if (st.countTokens() == 0) {
1486 sb = new StringBundler();
1487 }
1488 else {
1489 sb = new StringBundler(2 * st.countTokens() - 1);
1490 }
1491
1492 while (st.hasMoreTokens()) {
1493 String token = st.nextToken();
1494
1495 Matcher matcher = pattern.matcher(token);
1496
1497 if (matcher.find()) {
1498 String highlightedToken = matcher.replaceAll(
1499 highlight1 + matcher.group() + highlight2);
1500
1501 sb.append(highlightedToken);
1502 }
1503 else {
1504 sb.append(token);
1505 }
1506
1507 if (st.hasMoreTokens()) {
1508 sb.append(StringPool.SPACE);
1509 }
1510 }
1511
1512 return sb.toString();
1513 }
1514
1515 private static boolean _isTrimable(char c, char[] exceptions) {
1516 if ((exceptions != null) && (exceptions.length > 0)) {
1517 for (int i = 0; i < exceptions.length; i++) {
1518 if (c == exceptions[i]) {
1519 return false;
1520 }
1521 }
1522 }
1523
1524 return Character.isWhitespace(c);
1525 }
1526
1527 private static String _wrap(String text, int width, String lineSeparator)
1528 throws IOException {
1529
1530 if (text == null) {
1531 return null;
1532 }
1533
1534 StringBundler sb = new StringBundler();
1535
1536 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
1537 new UnsyncStringReader(text));
1538
1539 String s = StringPool.BLANK;
1540
1541 while ((s = unsyncBufferedReader.readLine()) != null) {
1542 if (s.length() == 0) {
1543 sb.append(lineSeparator);
1544
1545 continue;
1546 }
1547
1548 int lineLength = 0;
1549
1550 String[] tokens = s.split(StringPool.SPACE);
1551
1552 for (String token : tokens) {
1553 if ((lineLength + token.length() + 1) > width) {
1554 if (lineLength > 0) {
1555 sb.append(lineSeparator);
1556 }
1557
1558 if (token.length() > width) {
1559 int pos = token.indexOf(StringPool.OPEN_PARENTHESIS);
1560
1561 if (pos != -1) {
1562 sb.append(token.substring(0, pos + 1));
1563 sb.append(lineSeparator);
1564
1565 token = token.substring(pos + 1);
1566
1567 sb.append(token);
1568
1569 lineLength = token.length();
1570 }
1571 else {
1572 sb.append(token);
1573
1574 lineLength = token.length();
1575 }
1576 }
1577 else {
1578 sb.append(token);
1579
1580 lineLength = token.length();
1581 }
1582 }
1583 else {
1584 if (lineLength > 0) {
1585 sb.append(StringPool.SPACE);
1586
1587 lineLength++;
1588 }
1589
1590 sb.append(token);
1591
1592 lineLength += token.length();
1593 }
1594 }
1595
1596 sb.append(lineSeparator);
1597 }
1598
1599 return sb.toString();
1600 }
1601
1602 private static Log _log = LogFactoryUtil.getLog(StringUtil.class);
1603
1604}