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DependencyCheck/dependency-check-core/cobertura/org.owasp.dependencycheck.concurrency.DirectorySpinLock.html
Jeremy Long 412ac1c084 version 1.0.8
2014-01-16 08:07:24 -05:00

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<h5>Coverage Report - org.owasp.dependencycheck.concurrency.DirectorySpinLock</h5>
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<thead><tr> <td class="heading">Classes in this File</td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Line Coverage</a></td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Branch Coverage</a></td> <td class="heading"><a class="dfn" href="help.html" onclick="popupwindow('help.html'); return false;">Complexity</a></td></tr></thead>
<tr><td><a href="org.owasp.dependencycheck.concurrency.DirectorySpinLock.html">DirectorySpinLock</a></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">65%</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:65px"><span class="text">51/78</span></div></div></td></tr></table></td><td><table cellpadding="0px" cellspacing="0px" class="percentgraph"><tr class="percentgraph"><td align="right" class="percentgraph" width="40">66%</td><td class="percentgraph"><div class="percentgraph"><div class="greenbar" style="width:66px"><span class="text">16/24</span></div></div></td></tr></table></td><td class="value"><span class="hidden">3.9;</span>3.9</td></tr>
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<table cellspacing="0" cellpadding="0" class="src">
<tr> <td class="numLine">&nbsp;1</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">/*</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;2</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * This file is part of dependency-check-core.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;3</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;4</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Dependency-check-core is free software: you can redistribute it and/or modify it</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;5</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * under the terms of the GNU General Public License as published by the Free</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;6</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Software Foundation, either version 3 of the License, or (at your option) any</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;7</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * later version.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;8</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;9</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Dependency-check-core is distributed in the hope that it will be useful, but</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;10</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;11</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;12</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * details.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;13</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;14</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * You should have received a copy of the GNU General Public License along with</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;15</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * dependency-check-core. If not, see http://www.gnu.org/licenses/.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;16</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;17</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Copyright (c) 2013 Jeremy Long. All Rights Reserved.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;18</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;19</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">package</span> org.owasp.dependencycheck.concurrency;</pre></td></tr>
<tr> <td class="numLine">&nbsp;20</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;21</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.Closeable;</pre></td></tr>
<tr> <td class="numLine">&nbsp;22</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.File;</pre></td></tr>
<tr> <td class="numLine">&nbsp;23</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.FileNotFoundException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;24</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.IOException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;25</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.io.RandomAccessFile;</pre></td></tr>
<tr> <td class="numLine">&nbsp;26</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.AsynchronousCloseException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;27</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.ClosedChannelException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;28</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.FileChannel;</pre></td></tr>
<tr> <td class="numLine">&nbsp;29</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.FileLock;</pre></td></tr>
<tr> <td class="numLine">&nbsp;30</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.FileLockInterruptionException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;31</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.NonWritableChannelException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;32</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.nio.channels.OverlappingFileLockException;</pre></td></tr>
<tr> <td class="numLine">&nbsp;33</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.logging.Level;</pre></td></tr>
<tr> <td class="numLine">&nbsp;34</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">import</span> java.util.logging.Logger;</pre></td></tr>
<tr> <td class="numLine">&nbsp;35</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;36</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;37</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Implements a spin lock on a given directory. If the lock cannot be obtained,</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;38</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * the process will "spin" waiting for an opportunity to obtain the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;39</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * requested.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;40</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;41</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @author Jeremy Long &lt;jeremy.long@owasp.org&gt;</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;42</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;43</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="keyword">public</span> <span class="keyword">class</span> DirectorySpinLock <span class="keyword">implements</span> Closeable <span class="comment">/*, AutoCloseable*/</span> {</pre></td></tr>
<tr> <td class="numLine">&nbsp;44</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;45</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;46</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * The name of the lock file.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;47</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;48</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">final</span> String LOCK_NAME = <span class="string">"data.lock"</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;49</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;50</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * The maximum wait period used when attempting to obtain a lock.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;51</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;52</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">final</span> <span class="keyword">int</span> MAX_SPIN = 100;</pre></td></tr>
<tr> <td class="numLine">&nbsp;53</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;54</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * The file channel used to perform the lock.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;55</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;56</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> FileChannel channel = <span class="keyword">null</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;57</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;58</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * The file used to perform the lock.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;59</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;60</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> File lockFile = <span class="keyword">null</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;61</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;62</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * The lock object.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;63</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;64</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> FileLock lock = <span class="keyword">null</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;65</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;66</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * The maximum number of seconds that the spin lock will wait while trying</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;67</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * to obtain a lock.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;68</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;69</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">long</span> maxWait = MAX_SPIN;</pre></td></tr>
<tr> <td class="numLine">&nbsp;70</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;71</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;72</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Get the maximum wait time, in seconds, that the spin lock will wait while</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;73</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * trying to obtain a lock.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;74</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;75</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @return the number of seconds the spin lock will wait</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;76</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;77</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">long</span> getMaxWait() {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;78</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">return</span> maxWait / 2; <span class="comment">//sleep is for 500, so / 2</span></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;79</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;80</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;81</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;82</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Set the maximum wait time, in seconds, that the spin lock will wait while</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;83</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * trying to obtain a lock.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;84</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;85</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @param maxWait the number of seconds the spin lock will wait</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;86</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;87</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">void</span> setMaxWait(<span class="keyword">long</span> maxWait) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;88</td> <td class="nbHitsCovered">&nbsp;3</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">this</span>.maxWait = maxWait * 2; <span class="comment">//sleep is for 500, so * 2</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;89</td> <td class="nbHitsCovered">&nbsp;3</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;90</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;91</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;92</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Constructs a new spin lock on the given directory.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;93</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;94</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @param directory the directory to monitor/lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;95</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws InvalidDirectoryException thrown if there is an issue with the</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;96</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * directory provided</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;97</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws DirectoryLockException thrown there is an issue obtaining a</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;98</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * handle to the lock file</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;99</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;100</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> DirectorySpinLock(File directory) <span class="keyword">throws</span> InvalidDirectoryException, DirectoryLockException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;101</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; checkDirectory(directory);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;102</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; lockFile = <span class="keyword">new</span> File(directory, LOCK_NAME);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;103</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; RandomAccessFile file = <span class="keyword">null</span>;</pre></td></tr>
<tr> <td class="numLine">&nbsp;104</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;105</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; file = <span class="keyword">new</span> RandomAccessFile(lockFile, <span class="string">"rw"</span>);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;106</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (FileNotFoundException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;107</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> DirectoryLockException(<span class="string">"Lock file not found"</span>, ex);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;108</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;109</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; channel = file.getChannel();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;110</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;111</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;112</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;113</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Attempts to obtain an exclusive lock; an exception is thrown if the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;114</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * could not be obtained. This method may block for a few seconds if a lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;115</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * cannot be obtained.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;116</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;117</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws DirectoryLockException thrown if there is an exception obtaining</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;118</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;119</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;120</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">void</span> obtainSharedLock() <span class="keyword">throws</span> DirectoryLockException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;121</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; obtainLock(<span class="keyword">true</span>);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;122</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;123</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;124</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;125</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Attempts to obtain an exclusive lock; an exception is thrown if the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;126</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * could not be obtained. This method may block for a few seconds if a lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;127</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * cannot be obtained.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;128</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;129</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws DirectoryLockException thrown if there is an exception obtaining</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;130</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;131</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;132</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">void</span> obtainExclusiveLock() <span class="keyword">throws</span> DirectoryLockException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;133</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; obtainLock(<span class="keyword">false</span>);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;134</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;135</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;136</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;137</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Attempts to obtain a lock; an exception is thrown if the lock could not</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;138</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * be obtained. This method may block for a few seconds if a lock cannot be</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;139</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * obtained.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;140</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;141</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @param shared true if the lock is shared, otherwise false</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;142</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @param maxWait the maximum time to wait, in seconds, while trying to</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;143</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * obtain the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;144</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws DirectoryLockException thrown if there is an exception obtaining</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;145</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;146</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;147</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">protected</span> <span class="keyword">void</span> obtainLock(<span class="keyword">boolean</span> shared, <span class="keyword">long</span> maxWait) <span class="keyword">throws</span> DirectoryLockException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;148</td> <td class="nbHitsCovered">&nbsp;3</td> <td class="src"><pre class="src">&nbsp; setMaxWait(maxWait);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;149</td> <td class="nbHitsCovered">&nbsp;3</td> <td class="src"><pre class="src">&nbsp; obtainLock(shared);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;150</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;151</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;152</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;153</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Attempts to obtain a lock; an exception is thrown if the lock could not</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;154</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * be obtained. This method may block for a few seconds if a lock cannot be</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;155</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * obtained.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;156</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;157</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @param shared true if the lock is shared, otherwise false</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;158</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws DirectoryLockException thrown if there is an exception obtaining</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;159</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * the lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;160</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;161</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">protected</span> <span class="keyword">void</span> obtainLock(<span class="keyword">boolean</span> shared) <span class="keyword">throws</span> DirectoryLockException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;162</td> <td class="nbHitsUncovered"><a title="Line 162: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 162: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (lock != <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;163</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; release();</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;164</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;165</td> <td class="nbHitsUncovered"><a title="Line 165: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 165: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (channel == <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;166</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> DirectoryLockException(<span class="string">"Unable to create lock, no file channel exists"</span>);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;167</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;168</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">int</span> count = 0;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;169</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; Exception lastException = <span class="keyword">null</span>;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;170</td> <td class="nbHitsCovered"><a title="Line 170: Conditional coverage 100% (4/4) [each condition: 100%, 100%].">&nbsp;13</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 170: Conditional coverage 100% (4/4) [each condition: 100%, 100%]."> <span class="keyword">while</span> (lock == <span class="keyword">null</span> &amp;&amp; count++ &lt; maxWait) {</a></pre></td></tr>
<tr> <td class="numLine">&nbsp;171</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;172</td> <td class="nbHitsCovered">&nbsp;7</td> <td class="src"><pre class="src">&nbsp; lock = channel.lock(0, Long.MAX_VALUE, shared);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;173</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (AsynchronousCloseException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;174</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; lastException = ex;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;175</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (ClosedChannelException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;176</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; lastException = ex;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;177</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (FileLockInterruptionException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;178</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; lastException = ex;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;179</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; } <span class="keyword">catch</span> (OverlappingFileLockException ex) {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;180</td> <td class="nbHitsCovered">&nbsp;2</td> <td class="src"><pre class="src">&nbsp; lastException = ex;</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;181</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (NonWritableChannelException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;182</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; lastException = ex;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;183</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (IOException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;184</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; lastException = ex;</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;185</td> <td class="nbHitsCovered">&nbsp;7</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;186</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;187</td> <td class="nbHitsCovered">&nbsp;7</td> <td class="src"><pre class="src">&nbsp; Thread.sleep(500);</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;188</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (InterruptedException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;189</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; Thread.currentThread().interrupt();</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;190</td> <td class="nbHitsCovered">&nbsp;7</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;191</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;192</td> <td class="nbHitsCovered"><a title="Line 192: Conditional coverage 100% (2/2).">&nbsp;6</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 192: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (lock == <span class="keyword">null</span>) {</a></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;193</td> <td class="nbHitsUncovered"><a title="Line 193: Conditional coverage 50% (1/2).">&nbsp;1</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 193: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (lastException == <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;194</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> DirectoryLockException(<span class="string">"Unable to obtain lock"</span>);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;195</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; } <span class="keyword">else</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;196</td> <td class="nbHitsCovered">&nbsp;1</td> <td class="src"><pre class="src">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> DirectoryLockException(<span class="string">"Unable to obtain lock"</span>, lastException);</pre></td></tr>
<tr> <td class="numLine">&nbsp;197</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;198</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;199</td> <td class="nbHitsCovered">&nbsp;5</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;200</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;201</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;202</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Performs a few simple rudimentary checks on the specified directory.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;203</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Specifically, does the file exist and is it a directory.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;204</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;205</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @param directory the File object to inspect</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;206</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws InvalidDirectoryException thrown if the directory is null or is</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;207</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * not a directory</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;208</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;209</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">private</span> <span class="keyword">void</span> checkDirectory(File directory) <span class="keyword">throws</span> InvalidDirectoryException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;210</td> <td class="nbHitsUncovered"><a title="Line 210: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 210: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (directory == <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;211</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> InvalidDirectoryException(<span class="string">"Unable to obtain lock on a null File"</span>);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;212</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;213</td> <td class="nbHitsUncovered"><a title="Line 213: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 213: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (!directory.isDirectory()) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;214</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">final</span> String msg = String.format(<span class="string">"File, '%s', does not exist or is not a directory"</span>, directory.getAbsolutePath());</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;215</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; <span class="keyword">throw</span> <span class="keyword">new</span> InvalidDirectoryException(msg);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;216</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;217</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;218</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;219</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;220</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Releases any locks and closes the underlying channel.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;221</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> *</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;222</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * @throws IOException if an IO Exception occurs</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;223</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;224</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; @Override</pre></td></tr>
<tr> <td class="numLine">&nbsp;225</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">void</span> close() <span class="keyword">throws</span> IOException {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;226</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; release();</pre></td></tr>
<tr> <td class="numLine">&nbsp;227</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// TODO uncomment this once support for 1.6 is dropped.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;228</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// if (lock != null) {</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;229</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// try {</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;230</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// lock.close();</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;231</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// } catch (IOException ex) {</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;232</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// Logger.getLogger(DirectorySpinLock.class.getName()).log(Level.FINEST, "Unable to close file lock due to IO Exception", ex);</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;233</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// }</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;234</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment">// }</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;235</td> <td class="nbHitsUncovered"><a title="Line 235: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 235: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (channel != <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;236</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;237</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; channel.close();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;238</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (IOException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;239</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; Logger.getLogger(DirectorySpinLock.<span class="keyword">class</span>.getName()).log(Level.FINEST, <span class="string">"Unable to close the channel for the file lock"</span>, ex);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;240</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;241</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;242</td> <td class="nbHitsUncovered"><a title="Line 242: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 242: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (lockFile != <span class="keyword">null</span>) {</a></span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;243</td> <td class="nbHitsUncovered"><a title="Line 243: Conditional coverage 50% (1/2).">&nbsp;6</a></td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp;<a title="Line 243: Conditional coverage 50% (1/2)."> <span class="keyword">if</span> (lockFile.exists()) {</a></span></pre></td></tr>
<tr> <td class="numLine">&nbsp;244</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/* yes, this delete could fail which is totally fine. The other</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;245</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * thread holding the lock while delete it.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;246</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;247</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; lockFile.delete();</pre></td></tr>
<tr> <td class="numLine">&nbsp;248</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;249</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;250</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;251</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;</pre></td></tr>
<tr> <td class="numLine">&nbsp;252</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="comment">/**</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;253</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * Releases the lock. Any exceptions that are thrown by the underlying lock</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;254</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> * during the release are ignored.</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;255</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;<span class="comment"> */</span></pre></td></tr>
<tr> <td class="numLine">&nbsp;256</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">public</span> <span class="keyword">void</span> release() {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;257</td> <td class="nbHitsCovered"><a title="Line 257: Conditional coverage 100% (2/2).">&nbsp;6</a></td> <td class="src"><pre class="src">&nbsp;<a title="Line 257: Conditional coverage 100% (2/2)."> <span class="keyword">if</span> (lock != <span class="keyword">null</span>) {</a></pre></td></tr>
<tr> <td class="numLine">&nbsp;258</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; <span class="keyword">try</span> {</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;259</td> <td class="nbHitsCovered">&nbsp;5</td> <td class="src"><pre class="src">&nbsp; lock.release();</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;260</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (ClosedChannelException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;261</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; Logger.getLogger(DirectorySpinLock.<span class="keyword">class</span>.getName()).log(Level.FINEST, <span class="string">"Unable to release file lock"</span>, ex);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;262</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; } <span class="keyword">catch</span> (IOException ex) {</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;263</td> <td class="nbHitsUncovered">&nbsp;0</td> <td class="src"><pre class="src"><span class="srcUncovered">&nbsp; Logger.getLogger(DirectorySpinLock.<span class="keyword">class</span>.getName()).log(Level.FINEST, <span class="string">"Unable to release file lock due to IO Exception"</span>, ex);</span></pre></td></tr>
<tr> <td class="numLineCover">&nbsp;264</td> <td class="nbHitsCovered">&nbsp;5</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;265</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLineCover">&nbsp;266</td> <td class="nbHitsCovered">&nbsp;6</td> <td class="src"><pre class="src">&nbsp; }</pre></td></tr>
<tr> <td class="numLine">&nbsp;267</td> <td class="nbHits">&nbsp;</td>
<td class="src"><pre class="src">&nbsp;}</pre></td></tr>
</table>
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