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1 package org.sapia.regis;
2
3 import java.io.Serializable  ;
4 import java.util.ArrayList ;
5 import java.util.Iterator ;
6 import java.util.List ;
7 import java.util.StringTokenizer ;
8
9 public class Path implements Serializable {
10
11 static final long serialVersionUID = 1L;
12
13 private List _tokens;
14
15 public Path(List tokens){
16 _tokens = tokens;
17 }
18
19 public Iterator tokens(){
20 return _tokens.iterator();
21 }
22
23 public boolean isRoot(){
24 return _tokens.size() == 0 ||
25 (_tokens.size() == 1 && _tokens.get(0).equals(Node.ROOT_NAME));
26 }
27
28 public int tokenCount(){
29 return _tokens.size();
30 }
31
32 public Path getClone(){
33 return new Path(new ArrayList (_tokens));
34 }
35
36 public static Path parse(String path){
37 StringTokenizer tokenizer = new StringTokenizer (path, "/");
38 ArrayList tokens = new ArrayList ();
39 while(tokenizer.hasMoreTokens()){
40 tokens.add(tokenizer.nextToken());
41 }
42 tokens.trimToSize();
43 return new Path(tokens);
44 }
45
46 public String toString(){
47 StringBuffer buf = new StringBuffer ();
48 for(int i = 0; i < _tokens.size(); i++){
49 String token = (String )_tokens.get(i);
50 buf.append(token);
51 if(i < _tokens.size() - 1){
52 buf.append("/");
53 }
54 }
55 return buf.toString();
56 }
57
58 }
59 |
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