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Java > Open Source Codes > org > lobobrowser > util > io > Files


1 /*
2     GNU LESSER GENERAL PUBLIC LICENSE
3     Copyright (C) 2006 The Lobo Project
4
5     This library is free software; you can redistribute it and/or
6     modify it under the terms of the GNU Lesser General Public
7     License as published by the Free Software Foundation; either
8     version 2.1 of the License, or (at your option) any later version.
9
10     This library is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13     Lesser General Public License for more details.
14
15     You should have received a copy of the GNU Lesser General Public
16     License along with this library; if not, write to the Free Software
17     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19     Contact info: xamjadmin@users.sourceforge.net
20 */
21 package org.lobobrowser.util.io;
22
23 import java.io.*;
24
25 public class Files {
26     private Files() {
27     }
28     
29     /**
30      * Guesses the right content-type for a local
31      * file, and includes a charset if appropriate.
32      */
33     public static String JavaDoc getContentType(File file) {
34         // Not very complete at the moment :)
35 String JavaDoc name = file.getName();
36         int dotIdx = name.lastIndexOf('.');
37         String JavaDoc extension = dotIdx == -1 ? null : name.substring(dotIdx+1);
38         if("txt".equalsIgnoreCase(extension)) {
39             return "text/plain; charset=\"" + System.getProperty("file.encoding") + "\"";
40         }
41         if("html".equalsIgnoreCase(extension) || "htm".equalsIgnoreCase(extension)) {
42             return "text/html; charset=\"" + System.getProperty("file.encoding") + "\"";
43         }
44         else {
45             return "application/octet-stream";
46         }
47     }
48 }
49
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