Mercurial > hg > blitz_condensed
annotate src/com/go/trove/log/FileLogStreamFactory.java @ 28:4b2f23b6feca
Add a schema compatibility check to indexer that parallels storage.
author | Dan Creswell <dan.creswell@gmail.com> |
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date | Sat, 12 Jun 2010 10:11:15 +0100 |
parents | 3dc0c5604566 |
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rev | line source |
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1 /* ==================================================================== |
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2 * Trove - Copyright (c) 1997-2000 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.log; |
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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 import java.text.*; |
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58 |
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59 /****************************************************************************** |
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60 * Opens up files to be used by an {@link IntervalLogStream}. |
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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:--> 9/07/00 <!-- $--> |
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65 */ |
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66 public class FileLogStreamFactory implements IntervalLogStream.Factory { |
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67 private File mDirectory; |
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68 private DateFormat mDateFormat; |
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69 private String mExtension; |
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70 |
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71 /** |
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72 * Creates log files in the given directory. The names are created by |
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73 * appending the name of the directory, a hyphen, a time stamp and |
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74 * an extension. |
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75 * |
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76 * For example, if the directory is "/logs/MyApp", the format is |
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77 * "yyyyMMdd", and the extension is ".log", then a generated file might be: |
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78 * "/logs/MyApp/MyApp-19990608.log". |
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79 * |
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80 * @param directory Directory to create log files in. |
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81 * @param format DateFormat to use for creating new file names. |
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82 * @param extension Extension to put at the end of new file name. |
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83 */ |
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84 public FileLogStreamFactory(File directory, |
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85 DateFormat format, |
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86 String extension) { |
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87 |
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88 if (directory == null) { |
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89 throw new NullPointerException |
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90 ("FileLogStreamFactory directory not specified"); |
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91 } |
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92 |
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93 try { |
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94 mDirectory = new File(directory.getCanonicalPath()); |
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95 } |
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96 catch (IOException e) { |
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97 mDirectory = directory; |
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98 } |
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99 |
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100 if (format == null) { |
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101 throw new NullPointerException |
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102 ("FileLogStreamFactory date format not specified"); |
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103 } |
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104 |
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105 mDateFormat = format; |
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106 |
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107 if (extension == null) { |
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108 mExtension = ""; |
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109 } |
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110 else { |
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111 mExtension = extension; |
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112 } |
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113 } |
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114 |
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115 public OutputStream openOutputStream(Date date) throws IOException { |
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116 if (!mDirectory.exists()) { |
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117 if (!mDirectory.mkdirs()) { |
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118 throw new IOException("Unable to create directory: \"" + |
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119 mDirectory + '"'); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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120 } |
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parents:
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121 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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122 |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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123 String fileName = mDirectory.getName() + '-'; |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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124 synchronized (mDateFormat) { |
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125 fileName += mDateFormat.format(date); |
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Dan Creswell <dan.creswell@gmail.com>
parents:
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126 } |
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parents:
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127 |
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128 File file = new File(mDirectory, fileName + mExtension); |
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129 return new FileOutputStream(file.getPath(), true); |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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130 } |
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Dan Creswell <dan.creswell@gmail.com>
parents:
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131 } |
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Initial checkin of blitz 2.0 fcs - no installer yet.
Dan Creswell <dan.creswell@gmail.com>
parents:
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132 |