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Java > Open Source Codes > org > netbeans > modules > languages > Selector


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.languages;
21
22 import java.util.ArrayList JavaDoc;
23 import java.util.Iterator JavaDoc;
24 import java.util.List JavaDoc;
25
26 /**
27  *
28  * @author Jan Jancura
29  */
30 public class Selector {
31     
32     public static Selector create (String JavaDoc selector) {
33         List JavaDoc<String JavaDoc> path = new ArrayList JavaDoc<String JavaDoc> ();
34         int s = 0, e = selector.indexOf ('.');
35         while (e >= 0) {
36             path.add (selector.substring (s, e));
37             s = e + 1;
38             e = selector.indexOf ('.', s);
39         }
40         path.add (selector.substring (s));
41         return new Selector (path);
42     }
43     
44     private List JavaDoc<String JavaDoc> path;
45     
46     private Selector (List JavaDoc<String JavaDoc> path) {
47         this.path = path;
48     }
49     
50     List JavaDoc<String JavaDoc> getPath () {
51         return path;
52     }
53     
54     private String JavaDoc asText;
55     
56     public String JavaDoc getAsString () {
57         if (asText == null) {
58             Iterator JavaDoc<String JavaDoc> it = path.iterator ();
59             StringBuilder JavaDoc sb = new StringBuilder JavaDoc ();
60             if (it.hasNext ())
61                 sb.append (it.next ());
62             while (it.hasNext ())
63                 sb.append ('.').append (it.next ());
64             asText = sb.toString ();
65         }
66         return asText;
67     }
68     
69     public String JavaDoc toString () {
70         return getAsString ();
71     }
72 }
73
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