Mercurial > hg > blitz_condensed
comparison src/com/go/trove/io/TemporaryFile.java @ 0:3dc0c5604566
Initial checkin of blitz 2.0 fcs - no installer yet.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 21 Mar 2009 11:00:06 +0000 |
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-1:000000000000 | 0:3dc0c5604566 |
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1 /* ==================================================================== | |
2 * Trove - Copyright (c) 1999-2000 Walt Disney Internet Group | |
3 * ==================================================================== | |
4 * The Tea Software License, Version 1.1 | |
5 * | |
6 * Copyright (c) 2000 Walt Disney Internet Group. All rights reserved. | |
7 * | |
8 * Redistribution and use in source and binary forms, with or without | |
9 * modification, are permitted provided that the following conditions | |
10 * are met: | |
11 * | |
12 * 1. Redistributions of source code must retain the above copyright | |
13 * notice, this list of conditions and the following disclaimer. | |
14 * | |
15 * 2. Redistributions in binary form must reproduce the above copyright | |
16 * notice, this list of conditions and the following disclaimer in | |
17 * the documentation and/or other materials provided with the | |
18 * distribution. | |
19 * | |
20 * 3. The end-user documentation included with the redistribution, | |
21 * if any, must include the following acknowledgment: | |
22 * "This product includes software developed by the | |
23 * Walt Disney Internet Group (http://opensource.go.com/)." | |
24 * Alternately, this acknowledgment may appear in the software itself, | |
25 * if and wherever such third-party acknowledgments normally appear. | |
26 * | |
27 * 4. The names "Tea", "TeaServlet", "Kettle", "Trove" and "BeanDoc" must | |
28 * not be used to endorse or promote products derived from this | |
29 * software without prior written permission. For written | |
30 * permission, please contact opensource@dig.com. | |
31 * | |
32 * 5. Products derived from this software may not be called "Tea", | |
33 * "TeaServlet", "Kettle" or "Trove", nor may "Tea", "TeaServlet", | |
34 * "Kettle", "Trove" or "BeanDoc" appear in their name, without prior | |
35 * written permission of the Walt Disney Internet Group. | |
36 * | |
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED | |
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
40 * DISCLAIMED. IN NO EVENT SHALL THE WALT DISNEY INTERNET GROUP OR ITS | |
41 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
42 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
43 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
44 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
45 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
46 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
47 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
48 * ==================================================================== | |
49 * | |
50 * For more information about Tea, please see http://opensource.go.com/. | |
51 */ | |
52 | |
53 package com.go.trove.io; | |
54 | |
55 import java.io.*; | |
56 import java.util.*; | |
57 | |
58 /****************************************************************************** | |
59 * Provides references to temporary files that are automatically deleted when | |
60 * closed, finalized, or when the system exits. | |
61 * | |
62 * @author Brian S O'Neill | |
63 * @version | |
64 * <!--$$Revision: 1.1 $-->, <!--$$JustDate:--> 00/12/05 <!-- $--> | |
65 */ | |
66 public class TemporaryFile extends RandomAccessFile { | |
67 /** | |
68 * Creates a new writable temporary file that is deleted when closed, | |
69 * finalized, or when the system exits. | |
70 * | |
71 * @see File#createTempFile | |
72 */ | |
73 public static RandomAccessFile createTemporaryFile | |
74 (String prefix, String suffix, File directory) throws IOException { | |
75 | |
76 File file = File.createTempFile(prefix, suffix, directory); | |
77 file.deleteOnExit(); | |
78 return new TemporaryFile(file); | |
79 } | |
80 | |
81 /** | |
82 * Creates a new writable temporary file that is deleted when closed, | |
83 * finalized, or when the system exits. | |
84 * | |
85 * @see File#createTempFile | |
86 */ | |
87 public static RandomAccessFile createTemporaryFile | |
88 (String prefix, String suffix) throws IOException { | |
89 | |
90 return createTemporaryFile(prefix, suffix, null); | |
91 } | |
92 | |
93 private File mFile; | |
94 | |
95 private TemporaryFile(File file) throws IOException { | |
96 super(file, "rw"); | |
97 mFile = file; | |
98 } | |
99 | |
100 public void close() throws IOException { | |
101 try { | |
102 super.close(); | |
103 } | |
104 finally { | |
105 mFile.delete(); | |
106 } | |
107 } | |
108 | |
109 protected void finalize() throws IOException { | |
110 close(); | |
111 } | |
112 } |