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Java > Open Source Codes > org > netbeans > modules > javadoc > search > JavadocURLMapper


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.javadoc.search;
21
22 import org.openide.filesystems.FileObject;
23 import org.openide.filesystems.FileUtil;
24 import org.openide.filesystems.URLMapper;
25 import org.netbeans.modules.javadoc.httpfs.HTTPURLMapper;
26
27 import java.net.URL JavaDoc;
28 import java.net.MalformedURLException JavaDoc;
29 import java.io.File JavaDoc;
30
31 /**
32  * Utility class for producing direct URLs. It
33  * supports file based and HTTP based resources.
34  * Others such as javadoc in archive cannot be
35  * supported because there is not well know URL
36  * protocol available.
37  *
38  * @author Petr Kuzel
39  */
40 public final class JavadocURLMapper {
41
42     /**
43      *
44      * @param fileObject
45      * @return try to find direct (IDE indepenedent) URL
46      */
47     public static URL JavaDoc findURL(FileObject fileObject) {
48         File JavaDoc file = FileUtil.toFile(fileObject);
49         if (file != null) {
50             try {
51                 return file.toURI().toURL();
52             } catch (MalformedURLException JavaDoc ex) {
53                 // pass it
54 }
55         }
56
57         HTTPURLMapper mapper = new HTTPURLMapper();
58         URL JavaDoc url = mapper.getURL(fileObject, URLMapper.EXTERNAL);
59         if (url != null) {
60             return url;
61         }
62
63         return URLMapper.findURL(fileObject, URLMapper.EXTERNAL);
64     }
65 }
66
67
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