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1 package org.sapia.regis.util;
2
3 import java.util.ArrayList  ;
4 import java.util.List ;
5 import java.util.StringTokenizer ;
6
7 public class ResourceFinderFactory {
8
9 static final String GROUP_START_DELIM = "(";
10 static final String GROUP_END_DELIM = ")";
11 static final String RESOURCE_DELIM = ",";
12
13 static final String DELIMS = "(),";
14
15 static ResourceFinder parse(String list){
16 ResourceFinder finder = new ResourceFinder(list);
17 StringTokenizer tokenizer =
18 new StringTokenizer (list, DELIMS, true);
19
20 List group = null;
21 while(tokenizer.hasMoreTokens()){
22 String token = tokenizer.nextToken();
23 if(isGroupStart(token)){
24 if(group != null){
25 finder.addResources(group);
26 }
27 group = new ArrayList ();
28 }
29 else if(isGroupEnd(token)){
30 if(group != null){
31 if(group.size() > 0){
32 finder.addResources(group);
33 }
34 group = null;
35 }
36 }
37 else if(isResourceDelim(token)){
38 }
40 else{
41 if(group != null){
42 group.add(token.trim());
43 }
44 else{
45 finder.addResource(token.trim());
46 }
47 }
48 }
49 if(group != null){
50 finder.addResources(group);
51 }
52 return finder;
53 }
54
55 private static boolean isGroupStart(String token){
56 return token.length() == 1 && token.equals(GROUP_START_DELIM);
57 }
58
59 private static boolean isGroupEnd(String token){
60 return token.length() == 1 && token.equals(GROUP_END_DELIM);
61 }
62
63 private static boolean isResourceDelim(String token){
64 return token.length() == 1 && token.equals(RESOURCE_DELIM);
65 }
66 }
67 |
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