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Java > Open Source Codes > com > caucho > jcr > file > DirectoryNode


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.jcr.file;
31
32 import com.caucho.jcr.base.BaseNode;
33 import com.caucho.jcr.base.BaseNodeIterator;
34 import com.caucho.jcr.base.BaseNodeType;
35 import com.caucho.vfs.Path;
36
37 import javax.jcr.NodeIterator;
38 import javax.jcr.RepositoryException;
39 import javax.jcr.Session;
40 import javax.jcr.nodetype.NodeType;
41 import java.io.IOException JavaDoc;
42
43 /**
44  * Represents a node in the filesystem
45  */
46 public class DirectoryNode extends BaseNode {
47   private FileSession _session;
48   private Path _path;
49
50   DirectoryNode(FileSession session, Path path)
51   {
52     _session = session;
53     _path = path;
54   }
55
56   /**
57    * Returns the node type.
58    */
59   public NodeType getPrimaryNodeType()
60   {
61     return BaseNodeType.NT_FOLDER;
62   }
63   
64   /**
65    * Returns the full absolute pathname of the item.
66    */
67   public String JavaDoc getPath()
68     throws RepositoryException
69   {
70     return _path.getPath();
71   }
72   
73   /**
74    * Returns the tail name of the item.
75    */
76   public String JavaDoc getName()
77     throws RepositoryException
78   {
79     return _path.getTail();
80   }
81
82   /**
83    * Returns the owning session.
84    */
85   public Session getSession()
86     throws RepositoryException
87   {
88     return _session;
89   }
90
91   /**
92    * Returns the children nodes.
93    */
94   public NodeIterator getNodes()
95     throws RepositoryException
96   {
97     try {
98       String JavaDoc []list = _path.list();
99
100       BaseNode []children = new BaseNode[list.length];
101
102       for (int i = 0; i < list.length; i++) {
103     Path childPath = _path.lookup(list[i]);
104
105     if (childPath.isDirectory())
106       children[i] = new DirectoryNode(_session, childPath);
107     else
108       children[i] = new FileNode(_session, childPath);
109       }
110
111       return new BaseNodeIterator(children);
112     } catch (IOException JavaDoc e) {
113       throw new RepositoryException(e);
114     }
115   }
116
117   public String JavaDoc toString()
118   {
119     return "FileNode[" + _path + "]";
120   }
121 }
122
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