Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/utils/StringUtils.java @ 807:a645bd23c1c8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added more javadoc. Removed trailing whitespace. gnv-artifacts/trunk@889 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 08 Apr 2010 15:24:45 +0000
parents 2cea76f1112e
children f953c9a559d8
rev   line source
439
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.utils;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 /**
806
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
4 * Helper class which supports some methods for working with strings.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
5 *
780
c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 442
diff changeset
6 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
439
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 */
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 public final class StringUtils
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 private StringUtils() {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12
806
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
13 /**
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
14 * Append a string to a string array.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
15 *
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
16 * @param haystack String array.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
17 * @param straw String to append.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
18 * @return the new string array.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
19 */
439
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 public static final String [] append(String [] haystack, String straw) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 if (haystack == null) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 return new String [] { straw };
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 }
442
52e031261eaa Create a new 'gnv' section in config file.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 439
diff changeset
24 String [] nhaystack = new String[haystack.length + 1];
439
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 System.arraycopy(haystack, 0, nhaystack, 0, haystack.length);
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 nhaystack[haystack.length] = straw;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 return nhaystack;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
806
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
30 /**
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
31 * Checks the existence of a string in a given string array.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
32 *
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
33 * @param haystack String array.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
34 * @param needle String for being checked.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
35 * @return true, if the string is contained in <i>haystack</i> - else false.
2cea76f1112e Added Javadoc in utils package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 798
diff changeset
36 */
439
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 public static final boolean contains(String [] haystack, String needle) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 if (haystack == null) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 return false;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 if (needle == null) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 for (int i = haystack.length - 1; i >= 0; --i) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 if (haystack[i] == null) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 return true;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 else {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 for (int i = haystack.length - 1; i >= 0; --i) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 String straw = haystack[i];
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 if (straw != null && straw.equals(needle)) {
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 return true;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58 return false;
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 }
8975de9d7483 Loop through configuration to chart generation.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 }
798
6cff63d0c434 Fixed vim modeline. Added some Javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 780
diff changeset
61 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org