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Java > Open Source Codes > org > apache > commons > vfs > provider > url > UrlFileSystem


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.url;
17
18 import org.apache.commons.vfs.FileName;
19 import org.apache.commons.vfs.FileObject;
20 import org.apache.commons.vfs.FileSystem;
21 import org.apache.commons.vfs.FileSystemOptions;
22 import org.apache.commons.vfs.provider.AbstractFileSystem;
23
24 import java.util.Collection JavaDoc;
25
26 /**
27  * A File system backed by Java's URL API.
28  *
29  * @author <a HREF="mailto:adammurdoch@apache.org">Adam Murdoch</a>
30  */
31 public class UrlFileSystem
32     extends AbstractFileSystem
33     implements FileSystem
34 {
35     protected UrlFileSystem(final FileName rootName, final FileSystemOptions fileSystemOptions)
36     {
37         super(rootName, null, fileSystemOptions);
38     }
39
40     /**
41      * Creates a file object.
42      */
43     protected FileObject createFile(final FileName name)
44     {
45         return new UrlFileObject(this, name);
46     }
47
48     /**
49      * Returns the capabilities of this file system.
50      */
51     protected void addCapabilities(final Collection JavaDoc caps)
52     {
53         caps.addAll(UrlFileProvider.capabilities);
54     }
55 }
56
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