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
724
727 StringBuilder sb = new StringBuilder(
728 s.length() + 5 * newSub.length());
729
730 int length = oldSub.length();
731 int x = 0;
732
733 while (x <= y) {
734 sb.append(s.substring(x, y));
735 sb.append(newSub);
736
737 x = y + length;
738 y = s.indexOf(oldSub, x);
739 }
740
741 sb.append(s.substring(x));
742
743 return sb.toString();
744 }
745 else {
746 return s;
747 }
748 }
749
750 public static String replace(String s, String[] oldSubs, String[] newSubs) {
751 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
752 return null;
753 }
754
755 if (oldSubs.length != newSubs.length) {
756 return s;
757 }
758
759 for (int i = 0; i < oldSubs.length; i++) {
760 s = replace(s, oldSubs[i], newSubs[i]);
761 }
762
763 return s;
764 }
765
766 public static String replace(
767 String s, String[] oldSubs, String[] newSubs, boolean exactMatch) {
768
769 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
770 return null;
771 }
772
773 if (oldSubs.length != newSubs.length) {
774 return s;
775 }
776
777 if (!exactMatch) {
778 replace(s, oldSubs, newSubs);
779 }
780 else {
781 for (int i = 0; i < oldSubs.length; i++) {
782 s = s.replaceAll("\\b" + oldSubs[i] + "\\b" , newSubs[i]);
783 }
784 }
785
786 return s;
787 }
788
789 public static String replaceFirst(String s, char oldSub, char newSub) {
790 if (s == null) {
791 return null;
792 }
793
794 return s.replaceFirst(String.valueOf(oldSub), String.valueOf(newSub));
795 }
796
797 public static String replaceFirst(String s, char oldSub, String newSub) {
798 if ((s == null) || (newSub == null)) {
799 return null;
800 }
801
802 return s.replaceFirst(String.valueOf(oldSub), newSub);
803 }
804
805 public static String replaceFirst(String s, String oldSub, String newSub) {
806 if ((s == null) || (oldSub == null) || (newSub == null)) {
807 return null;
808 }
809
810 return s.replaceFirst(oldSub, newSub);
811 }
812
813 public static String replaceFirst(
814 String s, String[] oldSubs, String[] newSubs) {
815
816 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
817 return null;
818 }
819
820 if (oldSubs.length != newSubs.length) {
821 return s;
822 }
823
824 for (int i = 0; i < oldSubs.length; i++) {
825 s = replaceFirst(s, oldSubs[i], newSubs[i]);
826 }
827
828 return s;
829 }
830
831 public static String replaceLast(String s, char oldSub, char newSub) {
832 if (s == null) {
833 return null;
834 }
835
836 return replaceLast(s, String.valueOf(oldSub), String.valueOf(newSub));
837 }
838
839 public static String replaceLast(String s, char oldSub, String newSub) {
840 if ((s == null) || (newSub == null)) {
841 return null;
842 }
843
844 return replaceLast(s, String.valueOf(oldSub), newSub);
845 }
846
847 public static String replaceLast(String s, String oldSub, String newSub) {
848 if ((s == null) || (oldSub == null) || (newSub == null)) {
849 return null;
850 }
851
852 int y = s.lastIndexOf(oldSub);
853
854 if (y >= 0) {
855
856
859 StringBuilder sb = new StringBuilder(
860 s.length() + 5 * newSub.length());
861
862 int length = oldSub.length();
863 int x = 0;
864
865 while (x <= y) {
866 sb.append(s.substring(x, y));
867 sb.append(newSub);
868
869 x = y + length;
870 y = s.indexOf(oldSub, x);
871 }
872
873 sb.append(s.substring(x));
874
875 return sb.toString();
876 }
877 else {
878 return s;
879 }
880 }
881
882 public static String replaceLast(
883 String s, String[] oldSubs, String[] newSubs) {
884
885 if ((s == null) || (oldSubs == null) || (newSubs == null)) {
886 return null;
887 }
888
889 if (oldSubs.length != newSubs.length) {
890 return s;
891 }
892
893 for (int i = 0; i < oldSubs.length; i++) {
894 s = replaceLast(s, oldSubs[i], newSubs[i]);
895 }
896
897 return s;
898 }
899
900
912 public static String replaceValues(
913 String s, String begin, String end, Map<String, String> values) {
914
915 if ((s == null) || (begin == null) || (end == null) ||
916 (values == null) || (values.size() == 0)) {
917
918 return s;
919 }
920
921 StringBuilder sb = new StringBuilder(s.length());
922
923 int pos = 0;
924
925 while (true) {
926 int x = s.indexOf(begin, pos);
927 int y = s.indexOf(end, x + begin.length());
928
929 if ((x == -1) || (y == -1)) {
930 sb.append(s.substring(pos, s.length()));
931
932 break;
933 }
934 else {
935 sb.append(s.substring(pos, x + begin.length()));
936
937 String oldValue = s.substring(x + begin.length(), y);
938
939 String newValue = values.get(oldValue);
940
941 if (newValue == null) {
942 newValue = oldValue;
943 }
944
945 sb.append(newValue);
946
947 pos = y;
948 }
949 }
950
951 return sb.toString();
952 }
953
954 public static String reverse(String s) {
955 if (s == null) {
956 return null;
957 }
958
959 char[] charArray = s.toCharArray();
960 char[] reverse = new char[charArray.length];
961
962 for (int i = 0; i < charArray.length; i++) {
963 reverse[i] = charArray[charArray.length - i - 1];
964 }
965
966 return new String(reverse);
967 }
968
969 public static String safePath(String path) {
970 return replace(path, StringPool.DOUBLE_SLASH, StringPool.SLASH);
971 }
972
973 public static String shorten(String s) {
974 return shorten(s, 20);
975 }
976
977 public static String shorten(String s, int length) {
978 return shorten(s, length, "...");
979 }
980
981 public static String shorten(String s, int length, String suffix) {
982 if ((s == null) || (suffix == null)) {
983 return null;
984 }
985
986 if (s.length() > length) {
987 for (int j = length; j >= 0; j--) {
988 if (Character.isWhitespace(s.charAt(j))) {
989 length = j;
990
991 break;
992 }
993 }
994
995 String temp = s.substring(0, length);
996
997 s = temp.concat(suffix);
998 }
999
1000 return s;
1001 }
1002
1003 public static String shorten(String s, String suffix) {
1004 return shorten(s, 20, suffix);
1005 }
1006
1007 public static String[] split(String s) {
1008 return split(s, StringPool.COMMA);
1009 }
1010
1011 public static boolean[] split(String s, boolean x) {
1012 return split(s, StringPool.COMMA, x);
1013 }
1014
1015 public static double[] split(String s, double x) {
1016 return split(s, StringPool.COMMA, x);
1017 }
1018
1019 public static float[] split(String s, float x) {
1020 return split(s, StringPool.COMMA, x);
1021 }
1022
1023 public static int[] split(String s, int x) {
1024 return split(s, StringPool.COMMA, x);
1025 }
1026
1027 public static long[] split(String s, long x) {
1028 return split(s, StringPool.COMMA, x);
1029 }
1030
1031 public static short[] split(String s, short x) {
1032 return split(s, StringPool.COMMA, x);
1033 }
1034
1035 public static String[] split(String s, String delimiter) {
1036 if ((Validator.isNull(s)) || (delimiter == null) ||
1037 (delimiter.equals(StringPool.BLANK))) {
1038
1039 return new String[0];
1040 }
1041
1042 s = s.trim();
1043
1044 if (s.equals(delimiter)) {
1045 return new String[0];
1046 }
1047
1048 List<String> nodeValues = new ArrayList<String>();
1049
1050 if (delimiter.equals(StringPool.NEW_LINE) ||
1051 delimiter.equals(StringPool.RETURN)) {
1052
1053 try {
1054 UnsyncBufferedReader unsyncBufferedReader =
1055 new UnsyncBufferedReader(new UnsyncStringReader(s));
1056
1057 String line = null;
1058
1059 while ((line = unsyncBufferedReader.readLine()) != null) {
1060 nodeValues.add(line);
1061 }
1062
1063 unsyncBufferedReader.close();
1064 }
1065 catch (IOException ioe) {
1066 _log.error(ioe.getMessage());
1067 }
1068 }
1069 else {
1070 int offset = 0;
1071 int pos = s.indexOf(delimiter, offset);
1072
1073 while (pos != -1) {
1074 nodeValues.add(s.substring(offset, pos));
1075
1076 offset = pos + delimiter.length();
1077 pos = s.indexOf(delimiter, offset);
1078 }
1079
1080 if (offset < s.length()) {
1081 nodeValues.add(s.substring(offset));
1082 }
1083 }
1084
1085 return nodeValues.toArray(new String[nodeValues.size()]);
1086 }
1087
1088 public static boolean[] split(String s, String delimiter, boolean x) {
1089 String[] array = split(s, delimiter);
1090 boolean[] newArray = new boolean[array.length];
1091
1092 for (int i = 0; i < array.length; i++) {
1093 boolean value = x;
1094
1095 try {
1096 value = Boolean.valueOf(array[i]).booleanValue();
1097 }
1098 catch (Exception e) {
1099 }
1100
1101 newArray[i] = value;
1102 }
1103
1104 return newArray;
1105 }
1106
1107 public static double[] split(String s, String delimiter, double x) {
1108 String[] array = split(s, delimiter);
1109 double[] newArray = new double[array.length];
1110
1111 for (int i = 0; i < array.length; i++) {
1112 double value = x;
1113
1114 try {
1115 value = Double.parseDouble(array[i]);
1116 }
1117 catch (Exception e) {
1118 }
1119
1120 newArray[i] = value;
1121 }
1122
1123 return newArray;
1124 }
1125
1126 public static float[] split(String s, String delimiter, float x) {
1127 String[] array = split(s, delimiter);
1128 float[] newArray = new float[array.length];
1129
1130 for (int i = 0; i < array.length; i++) {
1131 float value = x;
1132
1133 try {
1134 value = Float.parseFloat(array[i]);
1135 }
1136 catch (Exception e) {
1137 }
1138
1139 newArray[i] = value;
1140 }
1141
1142 return newArray;
1143 }
1144
1145 public static int[] split(String s, String delimiter, int x) {
1146 String[] array = split(s, delimiter);
1147 int[] newArray = new int[array.length];
1148
1149 for (int i = 0; i < array.length; i++) {
1150 int value = x;
1151
1152 try {
1153 value = Integer.parseInt(array[i]);
1154 }
1155 catch (Exception e) {
1156 }
1157
1158 newArray[i] = value;
1159 }
1160
1161 return newArray;
1162 }
1163
1164 public static long[] split(String s, String delimiter, long x) {
1165 String[] array = split(s, delimiter);
1166 long[] newArray = new long[array.length];
1167
1168 for (int i = 0; i < array.length; i++) {
1169 long value = x;
1170
1171 try {
1172 value = Long.parseLong(array[i]);
1173 }
1174 catch (Exception e) {
1175 }
1176
1177 newArray[i] = value;
1178 }
1179
1180 return newArray;
1181 }
1182
1183 public static short[] split(String s, String delimiter, short x) {
1184 String[] array = split(s, delimiter);
1185 short[] newArray = new short[array.length];
1186
1187 for (int i = 0; i < array.length; i++) {
1188 short value = x;
1189
1190 try {
1191 value = Short.parseShort(array[i]);
1192 }
1193 catch (Exception e) {
1194 }
1195
1196 newArray[i] = value;
1197 }
1198
1199 return newArray;
1200 }
1201
1202 public static boolean startsWith(String s, char begin) {
1203 return startsWith(s, (new Character(begin)).toString());
1204 }
1205
1206 public static boolean startsWith(String s, String start) {
1207 if ((s == null) || (start == null)) {
1208 return false;
1209 }
1210
1211 if (start.length() > s.length()) {
1212 return false;
1213 }
1214
1215 String temp = s.substring(0, start.length());
1216
1217 if (temp.equalsIgnoreCase(start)) {
1218 return true;
1219 }
1220 else {
1221 return false;
1222 }
1223 }
1224
1225
1232 public static int startsWithWeight(String s1, String s2) {
1233 if ((s1 == null) || (s2 == null)) {
1234 return 0;
1235 }
1236
1237 char[] charArray1 = s1.toCharArray();
1238 char[] charArray2 = s2.toCharArray();
1239
1240 int i = 0;
1241
1242 for (; (i < charArray1.length) && (i < charArray2.length); i++) {
1243 if (charArray1[i] != charArray2[i]) {
1244 break;
1245 }
1246 }
1247
1248 return i;
1249 }
1250
1251 public static String stripBetween(String s, String begin, String end) {
1252 if ((s == null) || (begin == null) || (end == null)) {
1253 return s;
1254 }
1255
1256 StringBuilder sb = new StringBuilder(s.length());
1257
1258 int pos = 0;
1259
1260 while (true) {
1261 int x = s.indexOf(begin, pos);
1262 int y = s.indexOf(end, x + begin.length());
1263
1264 if ((x == -1) || (y == -1)) {
1265 sb.append(s.substring(pos, s.length()));
1266
1267 break;
1268 }
1269 else {
1270 sb.append(s.substring(pos, x));
1271
1272 pos = y + end.length();
1273 }
1274 }
1275
1276 return sb.toString();
1277 }
1278
1279 public static String trim(String s) {
1280 return trim(s, null);
1281 }
1282
1283 public static String trim(String s, char c) {
1284 return trim(s, new char[] {c});
1285 }
1286
1287 public static String trim(String s, char[] exceptions) {
1288 if (s == null) {
1289 return null;
1290 }
1291
1292 char[] charArray = s.toCharArray();
1293
1294 int len = charArray.length;
1295
1296 int x = 0;
1297 int y = charArray.length;
1298
1299 for (int i = 0; i < len; i++) {
1300 char c = charArray[i];
1301
1302 if (_isTrimable(c, exceptions)) {
1303 x = i + 1;
1304 }
1305 else {
1306 break;
1307 }
1308 }
1309
1310 for (int i = len - 1; i >= 0; i--) {
1311 char c = charArray[i];
1312
1313 if (_isTrimable(c, exceptions)) {
1314 y = i;
1315 }
1316 else {
1317 break;
1318 }
1319 }
1320
1321 if ((x != 0) || (y != len)) {
1322 return s.substring(x, y);
1323 }
1324 else {
1325 return s;
1326 }
1327 }
1328
1329 public static String trimLeading(String s) {
1330 return trimLeading(s, null);
1331 }
1332
1333 public static String trimLeading(String s, char c) {
1334 return trimLeading(s, new char[] {c});
1335 }
1336
1337 public static String trimLeading(String s, char[] exceptions) {
1338 if (s == null) {
1339 return null;
1340 }
1341
1342 char[] charArray = s.toCharArray();
1343
1344 int len = charArray.length;
1345
1346 int x = 0;
1347 int y = charArray.length;
1348
1349 for (int i = 0; i < len; i++) {
1350 char c = charArray[i];
1351
1352 if (_isTrimable(c, exceptions)) {
1353 x = i + 1;
1354 }
1355 else {
1356 break;
1357 }
1358 }
1359
1360 if ((x != 0) || (y != len)) {
1361 return s.substring(x, y);
1362 }
1363 else {
1364 return s;
1365 }
1366 }
1367
1368 public static String trimTrailing(String s) {
1369 return trimTrailing(s, null);
1370 }
1371
1372 public static String trimTrailing(String s, char c) {
1373 return trimTrailing(s, new char[] {c});
1374 }
1375
1376 public static String trimTrailing(String s, char[] exceptions) {
1377 if (s == null) {
1378 return null;
1379 }
1380
1381 char[] charArray = s.toCharArray();
1382
1383 int len = charArray.length;
1384
1385 int x = 0;
1386 int y = charArray.length;
1387
1388 for (int i = len - 1; i >= 0; i--) {
1389 char c = charArray[i];
1390
1391 if (_isTrimable(c, exceptions)) {
1392 y = i;
1393 }
1394 else {
1395 break;
1396 }
1397 }
1398
1399 if ((x != 0) || (y != len)) {
1400 return s.substring(x, y);
1401 }
1402 else {
1403 return s;
1404 }
1405 }
1406
1407 public static String upperCase(String s) {
1408 if (s == null) {
1409 return null;
1410 }
1411 else {
1412 return s.toUpperCase();
1413 }
1414 }
1415
1416 public static String upperCaseFirstLetter(String s) {
1417 char[] charArray = s.toCharArray();
1418
1419 if ((charArray[0] >= 97) && (charArray[0] <= 122)) {
1420 charArray[0] = (char)(charArray[0] - 32);
1421 }
1422
1423 return new String(charArray);
1424 }
1425
1426 public static String valueOf(Object obj) {
1427 return String.valueOf(obj);
1428 }
1429
1430 public static String wrap(String text) {
1431 return wrap(text, 80, StringPool.NEW_LINE);
1432 }
1433
1434 public static String wrap(String text, int width, String lineSeparator) {
1435 try {
1436 return _wrap(text, width, lineSeparator);
1437 }
1438 catch (IOException ioe) {
1439 _log.error(ioe.getMessage());
1440
1441 return text;
1442 }
1443 }
1444
1445 private static String _highlight(
1446 String s, Pattern pattern, String highlight1, String highlight2) {
1447
1448 StringTokenizer st = new StringTokenizer(s);
1449
1450 StringBundler sb = null;
1451
1452 if (st.countTokens() == 0) {
1453 sb = new StringBundler();
1454 }
1455 else {
1456 sb = new StringBundler(2 * st.countTokens() - 1);
1457 }
1458
1459 while (st.hasMoreTokens()) {
1460 String token = st.nextToken();
1461
1462 Matcher matcher = pattern.matcher(token);
1463
1464 if (matcher.find()) {
1465 String highlightedToken = matcher.replaceAll(
1466 highlight1 + matcher.group() + highlight2);
1467
1468 sb.append(highlightedToken);
1469 }
1470 else {
1471 sb.append(token);
1472 }
1473
1474 if (st.hasMoreTokens()) {
1475 sb.append(StringPool.SPACE);
1476 }
1477 }
1478
1479 return sb.toString();
1480 }
1481
1482 private static boolean _isTrimable(char c, char[] exceptions) {
1483 if ((exceptions != null) && (exceptions.length > 0)) {
1484 for (int i = 0; i < exceptions.length; i++) {
1485 if (c == exceptions[i]) {
1486 return false;
1487 }
1488 }
1489 }
1490
1491 return Character.isWhitespace(c);
1492 }
1493
1494 private static String _wrap(String text, int width, String lineSeparator)
1495 throws IOException {
1496
1497 if (text == null) {
1498 return null;
1499 }
1500
1501 StringBundler sb = new StringBundler();
1502
1503 UnsyncBufferedReader unsyncBufferedReader = new UnsyncBufferedReader(
1504 new UnsyncStringReader(text));
1505
1506 String s = StringPool.BLANK;
1507
1508 while ((s = unsyncBufferedReader.readLine()) != null) {
1509 if (s.length() == 0) {
1510 sb.append(lineSeparator);
1511
1512 continue;
1513 }
1514
1515 int lineLength = 0;
1516
1517 String[] tokens = s.split(StringPool.SPACE);
1518
1519 for (String token : tokens) {
1520 if ((lineLength + token.length() + 1) > width) {
1521 if (lineLength > 0) {
1522 sb.append(lineSeparator);
1523 }
1524
1525 if (token.length() > width) {
1526 int pos = token.indexOf(StringPool.OPEN_PARENTHESIS);
1527
1528 if (pos != -1) {
1529 sb.append(token.substring(0, pos + 1));
1530 sb.append(lineSeparator);
1531
1532 token = token.substring(pos + 1);
1533
1534 sb.append(token);
1535
1536 lineLength = token.length();
1537 }
1538 else {
1539 sb.append(token);
1540
1541 lineLength = token.length();
1542 }
1543 }
1544 else {
1545 sb.append(token);
1546
1547 lineLength = token.length();
1548 }
1549 }
1550 else {
1551 if (lineLength > 0) {
1552 sb.append(StringPool.SPACE);
1553
1554 lineLength++;
1555 }
1556
1557 sb.append(token);
1558
1559 lineLength += token.length();
1560 }
1561 }
1562
1563 sb.append(lineSeparator);
1564 }
1565
1566 return sb.toString();
1567 }
1568
1569 private static Log _log = LogFactoryUtil.getLog(StringUtil.class);
1570
1571}