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5 | <META NAME="GENERATOR" CONTENT="Java2HTML Version 1.4">
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6 | <TITLE>org.tp23.antinstaller.runtime.SimpleLogger (Java2HTML)</TITLE>
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8 | <BODY><TABLE id="Header" border="0" cellpadding="0" cellspacing="0" width="100%">
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9 | <tr>
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10 | <td colspan="2" width="33%"> </td>
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11 | <td align="center" colspan="2" width="33%">
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12 | <font size="4" class="ClassName">SimpleLogger.java</font>
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13 | </td>
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14 | <td align="right" colspan="2" width="33%"> </td>
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15 | </tr>
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16 | </TABLE>
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17 | <pre CLASS="Classes">
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18 | <FONT CLASS="LN">1 </FONT><A NAME="1"></A><FONT CLASS="MultiLineComment">/*
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19 | <FONT CLASS="LN">2 </FONT><A NAME="2"></A> * Copyright 2005 Paul Hinds
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20 | <FONT CLASS="LN">3 </FONT><A NAME="3"></A> *
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21 | <FONT CLASS="LN">4 </FONT><A NAME="4"></A> * Licensed under the Apache License, Version 2.0 (the "License");
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22 | <FONT CLASS="LN">5 </FONT><A NAME="5"></A> * you may not use this file except in compliance with the License.
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23 | <FONT CLASS="LN">6 </FONT><A NAME="6"></A> * You may obtain a copy of the License at
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24 | <FONT CLASS="LN">7 </FONT><A NAME="7"></A> *
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25 | <FONT CLASS="LN">8 </FONT><A NAME="8"></A> * http://www.apache.org/licenses/LICENSE-2.0
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26 | <FONT CLASS="LN">9 </FONT><A NAME="9"></A> *
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27 | <FONT CLASS="LN">10</FONT><A NAME="10"></A> * Unless required by applicable law or agreed to in writing, software
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28 | <FONT CLASS="LN">11</FONT><A NAME="11"></A> * distributed under the License is distributed on an "AS IS" BASIS,
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29 | <FONT CLASS="LN">12</FONT><A NAME="12"></A> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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30 | <FONT CLASS="LN">13</FONT><A NAME="13"></A> * See the License for the specific language governing permissions and
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31 | <FONT CLASS="LN">14</FONT><A NAME="14"></A> * limitations under the License.
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32 | <FONT CLASS="LN">15</FONT><A NAME="15"></A> */</FONT>
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33 | <FONT CLASS="LN">16</FONT><A NAME="16"></A><FONT CLASS="Package">package</FONT> <A HREF="../../../../org.tp23.antinstaller.runtime.index.html" target="packageFrame">org.tp23.antinstaller.runtime</A>;
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34 | <FONT CLASS="LN">17</FONT><A NAME="17"></A>
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35 | <FONT CLASS="LN">18</FONT><A NAME="18"></A><FONT CLASS="Import">import</FONT> java.io.BufferedWriter;
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36 | <FONT CLASS="LN">19</FONT><A NAME="19"></A><FONT CLASS="Import">import</FONT> java.io.FileWriter;
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37 | <FONT CLASS="LN">20</FONT><A NAME="20"></A><FONT CLASS="Import">import</FONT> java.io.IOException;
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38 | <FONT CLASS="LN">21</FONT><A NAME="21"></A><FONT CLASS="Import">import</FONT> java.io.PrintWriter;
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39 | <FONT CLASS="LN">22</FONT><A NAME="22"></A><FONT CLASS="Import">import</FONT> java.io.StringWriter;
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40 | <FONT CLASS="LN">23</FONT><A NAME="23"></A>
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41 | <FONT CLASS="LN">24</FONT><A NAME="24"></A><FONT CLASS="Import">import</FONT> <A HREF="../../../../org/tp23/antinstaller/Installer.java.html">org.tp23.antinstaller.Installer</A>;
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42 | <FONT CLASS="LN">25</FONT><A NAME="25"></A>
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43 | <FONT CLASS="LN">26</FONT><A NAME="26"></A><FONT CLASS="FormalComment">/**
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44 | <FONT CLASS="LN">27</FONT><A NAME="27"></A> * A Logger class that does not report errors
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45 | <FONT CLASS="LN">28</FONT><A NAME="28"></A> *
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46 | <FONT CLASS="LN">29</FONT><A NAME="29"></A> * @author Paul Hinds
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47 | <FONT CLASS="LN">30</FONT><A NAME="30"></A> * @version $Id: SimpleLogger.java,v 1.4 2007/01/19 00:24:36 teknopaul Exp $
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48 | <FONT CLASS="LN">31</FONT><A NAME="31"></A> */</FONT>
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49 | <FONT CLASS="LN">32</FONT><A NAME="32"></A><FONT CLASS="Public">public</FONT> <FONT CLASS="Class">class</FONT> SimpleLogger <FONT CLASS="Implements">implements</FONT> <A HREF="../../../../org/tp23/antinstaller/runtime/Logger.java.html">Logger</A> {
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50 | <FONT CLASS="LN">33</FONT><A NAME="33"></A>
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51 | <FONT CLASS="LN">34</FONT><A NAME="34"></A> BufferedWriter fos;
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52 | <FONT CLASS="LN">35</FONT><A NAME="35"></A>
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53 | <FONT CLASS="LN">36</FONT><A NAME="36"></A> <FONT CLASS="Private">private</FONT> String fileName;
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54 | <FONT CLASS="LN">37</FONT><A NAME="37"></A>
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55 | <FONT CLASS="LN">38</FONT><A NAME="38"></A> <FONT CLASS="Public">public</FONT> SimpleLogger() {
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56 | <FONT CLASS="LN">39</FONT><A NAME="39"></A> }
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57 | <FONT CLASS="LN">40</FONT><A NAME="40"></A>
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58 | <FONT CLASS="LN">41</FONT><A NAME="41"></A> <FONT CLASS="FormalComment">/**
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59 | <FONT CLASS="LN">42</FONT><A NAME="42"></A> * This method initialises the logger
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60 | <FONT CLASS="LN">43</FONT><A NAME="43"></A> */</FONT>
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61 | <FONT CLASS="LN">44</FONT><A NAME="44"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> setFileName(String fileName) {
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62 | <FONT CLASS="LN">45</FONT><A NAME="45"></A> <FONT CLASS="This">this</FONT>.fileName = fileName;
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63 | <FONT CLASS="LN">46</FONT><A NAME="46"></A> <FONT CLASS="Try">try</FONT> {
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64 | <FONT CLASS="LN">47</FONT><A NAME="47"></A> fos = <FONT CLASS="New">new</FONT> BufferedWriter(<FONT CLASS="New">new</FONT> FileWriter(fileName, <FONT CLASS="False">false</FONT>));
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65 | <FONT CLASS="LN">48</FONT><A NAME="48"></A> fos.write(<FONT CLASS="StringLiteral">"Logger initialized"</FONT>);
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66 | <FONT CLASS="LN">49</FONT><A NAME="49"></A> fos.newLine();
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67 | <FONT CLASS="LN">50</FONT><A NAME="50"></A> } <FONT CLASS="Catch">catch</FONT> (IOException e) {
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68 | <FONT CLASS="LN">51</FONT><A NAME="51"></A> fos = <FONT CLASS="Null">null</FONT>;
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69 | <FONT CLASS="LN">52</FONT><A NAME="52"></A> }
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70 | <FONT CLASS="LN">53</FONT><A NAME="53"></A> }
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71 | <FONT CLASS="LN">54</FONT><A NAME="54"></A>
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72 | <FONT CLASS="LN">55</FONT><A NAME="55"></A> <FONT CLASS="Public">public</FONT> String getFileName() {
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73 | <FONT CLASS="LN">56</FONT><A NAME="56"></A> <FONT CLASS="Return">return</FONT> fileName;
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74 | <FONT CLASS="LN">57</FONT><A NAME="57"></A> }
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75 | <FONT CLASS="LN">58</FONT><A NAME="58"></A>
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76 | <FONT CLASS="LN">59</FONT><A NAME="59"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> log(String message) {
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77 | <FONT CLASS="LN">60</FONT><A NAME="60"></A> <FONT CLASS="If">if</FONT> (fos == <FONT CLASS="Null">null</FONT>) {
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78 | <FONT CLASS="LN">61</FONT><A NAME="61"></A> <FONT CLASS="Return">return</FONT>;
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79 | <FONT CLASS="LN">62</FONT><A NAME="62"></A> }
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80 | <FONT CLASS="LN">63</FONT><A NAME="63"></A> <FONT CLASS="Try">try</FONT> {
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81 | <FONT CLASS="LN">64</FONT><A NAME="64"></A> fos.write(message);
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82 | <FONT CLASS="LN">65</FONT><A NAME="65"></A> fos.newLine();
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83 | <FONT CLASS="LN">66</FONT><A NAME="66"></A> fos.flush();
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84 | <FONT CLASS="LN">67</FONT><A NAME="67"></A> } <FONT CLASS="Catch">catch</FONT> (Exception ex) {
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85 | <FONT CLASS="LN">68</FONT><A NAME="68"></A> <FONT CLASS="Throw">throw</FONT> <FONT CLASS="New">new</FONT> RuntimeException(<FONT CLASS="StringLiteral">"Can not write to logs"</FONT>);
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86 | <FONT CLASS="LN">69</FONT><A NAME="69"></A> }
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87 | <FONT CLASS="LN">70</FONT><A NAME="70"></A> }
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88 | <FONT CLASS="LN">71</FONT><A NAME="71"></A>
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89 | <FONT CLASS="LN">72</FONT><A NAME="72"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> log(<A HREF="../../../../org/tp23/antinstaller/Installer.java.html">Installer</A> installer, Throwable exception) {
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90 | <FONT CLASS="LN">73</FONT><A NAME="73"></A> <FONT CLASS="If">if</FONT> (installer != <FONT CLASS="Null">null</FONT> && installer.isVerbose()) {
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91 | <FONT CLASS="LN">74</FONT><A NAME="74"></A> log(exception);
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92 | <FONT CLASS="LN">75</FONT><A NAME="75"></A> }
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93 | <FONT CLASS="LN">76</FONT><A NAME="76"></A> }
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94 | <FONT CLASS="LN">77</FONT><A NAME="77"></A>
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95 | <FONT CLASS="LN">78</FONT><A NAME="78"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> log(Throwable exception) {
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96 | <FONT CLASS="LN">79</FONT><A NAME="79"></A> <FONT CLASS="If">if</FONT> (fos == <FONT CLASS="Null">null</FONT>) {
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97 | <FONT CLASS="LN">80</FONT><A NAME="80"></A> <FONT CLASS="Return">return</FONT>;
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98 | <FONT CLASS="LN">81</FONT><A NAME="81"></A> }
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99 | <FONT CLASS="LN">82</FONT><A NAME="82"></A> <FONT CLASS="Try">try</FONT> {
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100 | <FONT CLASS="LN">83</FONT><A NAME="83"></A> StringWriter writer = <FONT CLASS="New">new</FONT> StringWriter();
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101 | <FONT CLASS="LN">84</FONT><A NAME="84"></A> exception.printStackTrace(<FONT CLASS="New">new</FONT> PrintWriter(writer));
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102 | <FONT CLASS="LN">85</FONT><A NAME="85"></A> String s = writer.getBuffer().toString();
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103 | <FONT CLASS="LN">86</FONT><A NAME="86"></A> fos.write(s);
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104 | <FONT CLASS="LN">87</FONT><A NAME="87"></A> fos.newLine();
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105 | <FONT CLASS="LN">88</FONT><A NAME="88"></A> } <FONT CLASS="Catch">catch</FONT> (IOException ex) {
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106 | <FONT CLASS="LN">89</FONT><A NAME="89"></A> <FONT CLASS="Throw">throw</FONT> <FONT CLASS="New">new</FONT> RuntimeException(<FONT CLASS="StringLiteral">"Can not write to logs"</FONT>);
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107 | <FONT CLASS="LN">90</FONT><A NAME="90"></A> }
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108 | <FONT CLASS="LN">91</FONT><A NAME="91"></A> }
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109 | <FONT CLASS="LN">92</FONT><A NAME="92"></A>
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110 | <FONT CLASS="LN">93</FONT><A NAME="93"></A> <FONT CLASS="Public">public</FONT> <FONT CLASS="Void">void</FONT> close() {
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111 | <FONT CLASS="LN">94</FONT><A NAME="94"></A> <FONT CLASS="Try">try</FONT> {
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112 | <FONT CLASS="LN">95</FONT><A NAME="95"></A> <FONT CLASS="If">if</FONT> (fos != <FONT CLASS="Null">null</FONT>) {
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113 | <FONT CLASS="LN">96</FONT><A NAME="96"></A> fos.flush();
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114 | <FONT CLASS="LN">97</FONT><A NAME="97"></A> fos.close();
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115 | <FONT CLASS="LN">98</FONT><A NAME="98"></A> fos = <FONT CLASS="Null">null</FONT>;
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116 | <FONT CLASS="LN">99</FONT><A NAME="99"></A> }
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117 | <FONT CLASS="LN">00</FONT><A NAME="100"></A> } <FONT CLASS="Catch">catch</FONT> (IOException e) {
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118 | <FONT CLASS="LN">01</FONT><A NAME="101"></A> System.err.println(<FONT CLASS="StringLiteral">"Can't close logger"</FONT>);
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119 | <FONT CLASS="LN">02</FONT><A NAME="102"></A> }
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120 | <FONT CLASS="LN">03</FONT><A NAME="103"></A> }
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121 | <FONT CLASS="LN">04</FONT><A NAME="104"></A>
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122 | <FONT CLASS="LN">05</FONT><A NAME="105"></A> <FONT CLASS="FormalComment">/**
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123 | <FONT CLASS="LN">06</FONT><A NAME="106"></A> * Called by the garbage collector on an object when garbage collection
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124 | <FONT CLASS="LN">07</FONT><A NAME="107"></A> * determines that there are no more references to the object.
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125 | <FONT CLASS="LN">08</FONT><A NAME="108"></A> *
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126 | <FONT CLASS="LN">09</FONT><A NAME="109"></A> * @throws Throwable
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127 | <FONT CLASS="LN">10</FONT><A NAME="110"></A> * the <code>Exception</code> raised by this method
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128 | <FONT CLASS="LN">11</FONT><A NAME="111"></A> * @todo Implement this java.lang.Object method
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129 | <FONT CLASS="LN">12</FONT><A NAME="112"></A> */</FONT>
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130 | <FONT CLASS="LN">13</FONT><A NAME="113"></A> <FONT CLASS="Protected">protected</FONT> <FONT CLASS="Void">void</FONT> finalize() <FONT CLASS="Throws">throws</FONT> Throwable {
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131 | <FONT CLASS="LN">14</FONT><A NAME="114"></A> <FONT CLASS="If">if</FONT> (fos != <FONT CLASS="Null">null</FONT>) {
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132 | <FONT CLASS="LN">15</FONT><A NAME="115"></A> fos.flush();
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133 | <FONT CLASS="LN">16</FONT><A NAME="116"></A> fos.close();
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134 | <FONT CLASS="LN">17</FONT><A NAME="117"></A> }
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135 | <FONT CLASS="LN">18</FONT><A NAME="118"></A> }
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136 | <FONT CLASS="LN">19</FONT><A NAME="119"></A>
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137 | <FONT CLASS="LN">20</FONT><A NAME="120"></A>}
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138 | <FONT CLASS="LN">21</FONT><A NAME="121"></A></pre>
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