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Java > Open Source Codes > org > netbeans > modules > tasklist > providers > XMLSuggestionContext


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.tasklist.providers;
21
22 import org.openide.filesystems.FileObject;
23 import org.openide.ErrorManager;
24
25 import java.io.*;
26
27 /**
28  * Dedicated XML document context that is faster than generic one.
29  *
30  * @author Petr Kuzel
31  */
32 final class XMLSuggestionContext {
33
34     static String JavaDoc getContent(FileObject fo) {
35         try {
36             char[] buf = new char[1024*64];
37             StringBuffer JavaDoc sb = new StringBuffer JavaDoc();
38             InputStream input = new BufferedInputStream(fo.getInputStream(), 2157);
39             String JavaDoc encoding = null;
40             try {
41                 encoding = XMLEncodingHelper.detectEncoding(input);
42             } finally {
43                 try {
44                     input.close();
45                 } catch (IOException ex) {
46                     // already closed
47 }
48             }
49             if (encoding == null) return null;
50
51             Reader r = new InputStreamReader(new BufferedInputStream(fo.getInputStream()), encoding);
52             try {
53                 int len;
54                 while (true) {
55                     len = r.read(buf);
56                     if (len == -1) break;
57                     sb.append(buf, 0, len);
58                 }
59                 return sb.toString();
60             } finally {
61                 r.close();
62             }
63         } catch (IOException e) {
64             ErrorManager.getDefault().notify(e);
65         }
66         return null;
67     }
68
69 }
70
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