1 package fr.in2p3.jsaga.helpers;
2
3 import java.util.regex.Pattern;
4
5 /* ***************************************************
6 * *** Centre de Calcul de l'IN2P3 - Lyon (France) ***
7 * *** http://cc.in2p3.fr/ ***
8 * ***************************************************
9 * File: SAGAPattern
10 * Author: Sylvain Reynaud (sreynaud@in2p3.fr)
11 * Date: 15 janv. 2008
12 * ***************************************************
13 * Description: */
14 /**
15 *
16 */
17 public class SAGAPattern {
18 /**
19 * Convert wildcards to a regular expression.
20 * @param sagaPattern a pattern with wildcards as specified in "SAGA Name Spaces".
21 * @return a compiled regular expression.
22 */
23 public static Pattern toRegexp(String sagaPattern) {
24 if (sagaPattern==null || sagaPattern.equals("") || sagaPattern.equals("*")) {
25 // match all
26 return null;
27 } else {
28 String regexp = sagaPattern;
29
30 // escape some characters
31 regexp = regexp.replaceAll("\\.", "\\\\.");
32
33 // convert wildcards to regular expression
34 regexp = regexp.replaceAll("\\*", ".*");
35 regexp = regexp.replaceAll("\\?", ".?");
36 regexp = regexp.replaceAll("\\[^", "[^");
37
38 // compile regular expression
39 return Pattern.compile(regexp);
40 }
41 }
42
43 public static boolean hasWildcard(String sagaPattern) {
44 return (sagaPattern==null || sagaPattern.equals("") || sagaPattern.contains("*") || sagaPattern.contains("?"));
45 }
46 }