|
1 package org.jahia.services.urlrewriting;
2
3 import java.util.Properties  ;
4 import org.apache.regexp.RE;
5 import org.apache.regexp.RESyntaxException;
6 import org.jahia.exceptions.JahiaException;
7
15
16 public class RegexpRewriteRule extends RewriteRule {
17
18 private RE originalFromRewrittenRegexp;
19 private RE rewrittenFromOriginalRegexp;
20 private String originalFromRewrittenSubst;
21 private String rewrittenFromOriginalSubst;
22
23 public RegexpRewriteRule(Properties originalFromRewrittenProps, Properties rewrittenFromOriginalProps) throws JahiaException {
24 super(originalFromRewrittenProps, rewrittenFromOriginalProps);
25
26 try {
27 originalFromRewrittenRegexp = new RE(originalFromRewrittenProps.
28 getProperty("regexp"));
29 originalFromRewrittenSubst = originalFromRewrittenProps.
30 getProperty("subst");
31 rewrittenFromOriginalRegexp = new RE(rewrittenFromOriginalProps.getProperty("regexp"));
32 rewrittenFromOriginalSubst = rewrittenFromOriginalProps.
33 getProperty("subst");
34
35 } catch (RESyntaxException rese) {
36 throw new JahiaException("Error while instantiation regpexp",
37 "Error in URL rewriting",
38 JahiaException.DATA_ERROR,
39 JahiaException.ERROR_SEVERITY,
40 rese);
41 }
42 }
43
44 public String getOriginalFromRewritten(String rewrittenURL) {
45 if (originalFromRewrittenRegexp.match(rewrittenURL)) {
46 return originalFromRewrittenRegexp.subst(rewrittenURL, originalFromRewrittenSubst);
47 } else {
48 return null;
49 }
50 }
51
52 public String getRewrittenFromOriginal(String originalURL) {
53 if (rewrittenFromOriginalRegexp.match(originalURL)) {
54 return rewrittenFromOriginalRegexp.subst(originalURL, rewrittenFromOriginalSubst);
55 } else {
56 return null;
57 }
58 }
59 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.