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