Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/utils/StringUtils.java @ 657:af3f56758f59
merged gnv-artifacts/0.5
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:13:53 +0200 |
| parents | 52e031261eaa |
| children | c4156275c1e1 |
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| 590:5f5f273c8566 | 657:af3f56758f59 |
|---|---|
| 1 package de.intevation.gnv.utils; | |
| 2 | |
| 3 /** | |
| 4 * @author Sascha L. Teichmann <sascha.teichmann@intevation.de> | |
| 5 */ | |
| 6 public final class StringUtils | |
| 7 { | |
| 8 private StringUtils() { | |
| 9 } | |
| 10 | |
| 11 public static final String [] append(String [] haystack, String straw) { | |
| 12 if (haystack == null) { | |
| 13 return new String [] { straw }; | |
| 14 } | |
| 15 String [] nhaystack = new String[haystack.length + 1]; | |
| 16 System.arraycopy(haystack, 0, nhaystack, 0, haystack.length); | |
| 17 nhaystack[haystack.length] = straw; | |
| 18 return nhaystack; | |
| 19 } | |
| 20 | |
| 21 public static final boolean contains(String [] haystack, String needle) { | |
| 22 if (haystack == null) { | |
| 23 return false; | |
| 24 } | |
| 25 | |
| 26 if (needle == null) { | |
| 27 for (int i = haystack.length - 1; i >= 0; --i) { | |
| 28 if (haystack[i] == null) { | |
| 29 return true; | |
| 30 } | |
| 31 } | |
| 32 } | |
| 33 else { | |
| 34 for (int i = haystack.length - 1; i >= 0; --i) { | |
| 35 String straw = haystack[i]; | |
| 36 if (straw != null && straw.equals(needle)) { | |
| 37 return true; | |
| 38 } | |
| 39 } | |
| 40 } | |
| 41 | |
| 42 return false; | |
| 43 } | |
| 44 } | |
| 45 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: |