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Java > Open Source Codes > org > apache > commons > vfs > provider > LayeredFileName


1 /*
2  * Copyright 2002-2005 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.vfs.provider;
17
18 import org.apache.commons.vfs.FileName;
19 import org.apache.commons.vfs.FileType;
20
21 /**
22  * A file name for layered files.
23  *
24  * @author <a HREF="mailto:adammurdoch@apache.org">Adam Murdoch</a>
25  */
26 public class LayeredFileName extends AbstractFileName
27 {
28     private final FileName outerUri;
29
30     public LayeredFileName(final String JavaDoc scheme,
31                            final FileName outerUri,
32                            final String JavaDoc path,
33                            final FileType type)
34     {
35         super(scheme, path, type);
36         this.outerUri = outerUri;
37     }
38
39     /**
40      * Returns the URI of the outer file.
41      */
42     public FileName getOuterName()
43     {
44         return outerUri;
45     }
46
47     public FileName createName(String JavaDoc path, FileType type)
48     {
49         return new LayeredFileName(getScheme(), getOuterName(), path, type);
50     }
51
52     protected void appendRootUri(StringBuffer JavaDoc buffer)
53     {
54         buffer.append(getScheme());
55         buffer.append(":");
56         buffer.append(getOuterName().getURI());
57         buffer.append("!");
58     }
59 }
60
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