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<title>FileNameAnalyzer xref</title>
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<div id="overview"><a href="../../../../../apidocs/org/owasp/dependencycheck/analyzer/FileNameAnalyzer.html">View Javadoc</a></div><pre>
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<a class="jxr_linenumber" name="L1" href="#L1">1</a> <em class="jxr_comment">/*</em>
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<a class="jxr_linenumber" name="L2" href="#L2">2</a> <em class="jxr_comment"> * This file is part of dependency-check-core.</em>
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<a class="jxr_linenumber" name="L3" href="#L3">3</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="L4" href="#L4">4</a> <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
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<a class="jxr_linenumber" name="L5" href="#L5">5</a> <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
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<a class="jxr_linenumber" name="L6" href="#L6">6</a> <em class="jxr_comment"> * You may obtain a copy of the License at</em>
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<a class="jxr_linenumber" name="L7" href="#L7">7</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="L8" href="#L8">8</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2." target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.</a>0</em>
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<a class="jxr_linenumber" name="L9" href="#L9">9</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="L10" href="#L10">10</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
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<a class="jxr_linenumber" name="L11" href="#L11">11</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
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<a class="jxr_linenumber" name="L12" href="#L12">12</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
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<a class="jxr_linenumber" name="L13" href="#L13">13</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
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<a class="jxr_linenumber" name="L14" href="#L14">14</a> <em class="jxr_comment"> * limitations under the License.</em>
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<a class="jxr_linenumber" name="L15" href="#L15">15</a> <em class="jxr_comment"> *</em>
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<a class="jxr_linenumber" name="L16" href="#L16">16</a> <em class="jxr_comment"> * Copyright (c) 2012 Jeremy Long. All Rights Reserved.</em>
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<a class="jxr_linenumber" name="L17" href="#L17">17</a> <em class="jxr_comment"> */</em>
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<a class="jxr_linenumber" name="L18" href="#L18">18</a> <strong class="jxr_keyword">package</strong> org.owasp.dependencycheck.analyzer;
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<a class="jxr_linenumber" name="L19" href="#L19">19</a>
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<a class="jxr_linenumber" name="L20" href="#L20">20</a> <strong class="jxr_keyword">import</strong> java.io.File;
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<a class="jxr_linenumber" name="L21" href="#L21">21</a> <strong class="jxr_keyword">import</strong> org.owasp.dependencycheck.Engine;
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<a class="jxr_linenumber" name="L22" href="#L22">22</a> <strong class="jxr_keyword">import</strong> org.owasp.dependencycheck.analyzer.exception.AnalysisException;
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<a class="jxr_linenumber" name="L23" href="#L23">23</a> <strong class="jxr_keyword">import</strong> org.owasp.dependencycheck.dependency.Confidence;
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<a class="jxr_linenumber" name="L24" href="#L24">24</a> <strong class="jxr_keyword">import</strong> org.owasp.dependencycheck.dependency.Dependency;
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<a class="jxr_linenumber" name="L25" href="#L25">25</a> <strong class="jxr_keyword">import</strong> org.owasp.dependencycheck.utils.DependencyVersion;
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<a class="jxr_linenumber" name="L26" href="#L26">26</a> <strong class="jxr_keyword">import</strong> org.owasp.dependencycheck.utils.DependencyVersionUtil;
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<a class="jxr_linenumber" name="L27" href="#L27">27</a>
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<a class="jxr_linenumber" name="L28" href="#L28">28</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="L29" href="#L29">29</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="L30" href="#L30">30</a> <em class="jxr_javadoccomment"> * Takes a dependency and analyzes the filename and determines the hashes.</em>
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<a class="jxr_linenumber" name="L31" href="#L31">31</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="L32" href="#L32">32</a> <em class="jxr_javadoccomment"> * @author Jeremy Long</em>
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<a class="jxr_linenumber" name="L33" href="#L33">33</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/owasp/dependencycheck/analyzer/FileNameAnalyzer.html">FileNameAnalyzer</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/owasp/dependencycheck/analyzer/AbstractAnalyzer.html">AbstractAnalyzer</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/owasp/dependencycheck/analyzer/Analyzer.html">Analyzer</a> {
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<a class="jxr_linenumber" name="L35" href="#L35">35</a>
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<a class="jxr_linenumber" name="L36" href="#L36">36</a> <em class="jxr_comment">//<editor-fold defaultstate="collapsed" desc="All standard implementation details of Analyzer"></em>
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<a class="jxr_linenumber" name="L37" href="#L37">37</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em class="jxr_javadoccomment"> * The name of the analyzer.</em>
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<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="L40" href="#L40">40</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String ANALYZER_NAME = <span class="jxr_string">"File Name Analyzer"</span>;
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<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em class="jxr_javadoccomment"> * The phase that this analyzer is intended to run in.</em>
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<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="L44" href="#L44">44</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/owasp/dependencycheck/analyzer/AnalysisPhase.html">AnalysisPhase</a> ANALYSIS_PHASE = AnalysisPhase.INFORMATION_COLLECTION;
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<a class="jxr_linenumber" name="L45" href="#L45">45</a>
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<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em class="jxr_javadoccomment"> * Returns the name of the analyzer.</em>
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<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em class="jxr_javadoccomment"> * @return the name of the analyzer.</em>
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<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="L51" href="#L51">51</a> @Override
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<a class="jxr_linenumber" name="L52" href="#L52">52</a> <strong class="jxr_keyword">public</strong> String getName() {
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<a class="jxr_linenumber" name="L53" href="#L53">53</a> <strong class="jxr_keyword">return</strong> ANALYZER_NAME;
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<a class="jxr_linenumber" name="L54" href="#L54">54</a> }
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<a class="jxr_linenumber" name="L55" href="#L55">55</a>
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<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em class="jxr_javadoccomment"> * Returns the phase that the analyzer is intended to run in.</em>
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<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em class="jxr_javadoccomment"> * @return the phase that the analyzer is intended to run in.</em>
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<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="L61" href="#L61">61</a> @Override
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<a class="jxr_linenumber" name="L62" href="#L62">62</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/owasp/dependencycheck/analyzer/AnalysisPhase.html">AnalysisPhase</a> getAnalysisPhase() {
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<a class="jxr_linenumber" name="L63" href="#L63">63</a> <strong class="jxr_keyword">return</strong> ANALYSIS_PHASE;
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<a class="jxr_linenumber" name="L64" href="#L64">64</a> }
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<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em class="jxr_comment">//</editor-fold></em>
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<a class="jxr_linenumber" name="L66" href="#L66">66</a>
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<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em class="jxr_javadoccomment">/**</em>
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<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em class="jxr_javadoccomment"> * Collects information about the file name.</em>
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<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em class="jxr_javadoccomment"> *</em>
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<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em class="jxr_javadoccomment"> * @param dependency the dependency to analyze.</em>
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<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em class="jxr_javadoccomment"> * @param engine the engine that is scanning the dependencies</em>
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<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em class="jxr_javadoccomment"> * @throws AnalysisException is thrown if there is an error reading the JAR file.</em>
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<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em class="jxr_javadoccomment"> */</em>
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<a class="jxr_linenumber" name="L74" href="#L74">74</a> @Override
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<a class="jxr_linenumber" name="L75" href="#L75">75</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> analyze(<a href="../../../../org/owasp/dependencycheck/dependency/Dependency.html">Dependency</a> dependency, <a href="../../../../org/owasp/dependencycheck/Engine.html">Engine</a> engine) <strong class="jxr_keyword">throws</strong> AnalysisException {
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<a class="jxr_linenumber" name="L76" href="#L76">76</a>
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<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em class="jxr_comment">//strip any path information that may get added by ArchiveAnalyzer, etc.</em>
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<a class="jxr_linenumber" name="L78" href="#L78">78</a> <strong class="jxr_keyword">final</strong> File f = dependency.getActualFile();
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<a class="jxr_linenumber" name="L79" href="#L79">79</a> String fileName = f.getName();
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<a class="jxr_linenumber" name="L80" href="#L80">80</a>
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<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em class="jxr_comment">//remove file extension</em>
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<a class="jxr_linenumber" name="L82" href="#L82">82</a> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> pos = fileName.lastIndexOf(<span class="jxr_string">"."</span>);
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<a class="jxr_linenumber" name="L83" href="#L83">83</a> <strong class="jxr_keyword">if</strong> (pos > 0) {
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<a class="jxr_linenumber" name="L84" href="#L84">84</a> fileName = fileName.substring(0, pos);
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<a class="jxr_linenumber" name="L85" href="#L85">85</a> }
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<a class="jxr_linenumber" name="L86" href="#L86">86</a>
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<a class="jxr_linenumber" name="L87" href="#L87">87</a> <em class="jxr_comment">//add version evidence</em>
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<a class="jxr_linenumber" name="L88" href="#L88">88</a> <strong class="jxr_keyword">final</strong> <a href="../../../../org/owasp/dependencycheck/utils/DependencyVersion.html">DependencyVersion</a> version = DependencyVersionUtil.parseVersion(fileName);
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<a class="jxr_linenumber" name="L89" href="#L89">89</a> <strong class="jxr_keyword">if</strong> (version != <strong class="jxr_keyword">null</strong>) {
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<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em class="jxr_comment">// If the version number is just a number like 2 or 23, reduce the confidence</em>
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<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em class="jxr_comment">// a shade. This should hopefully correct for cases like log4j.jar or</em>
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<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em class="jxr_comment">// struts2-core.jar</em>
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<a class="jxr_linenumber" name="L93" href="#L93">93</a> <strong class="jxr_keyword">if</strong> (version.getVersionParts() == <strong class="jxr_keyword">null</strong> || version.getVersionParts().size() < 2) {
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<a class="jxr_linenumber" name="L94" href="#L94">94</a> dependency.getVersionEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L95" href="#L95">95</a> version.toString(), Confidence.MEDIUM);
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<a class="jxr_linenumber" name="L96" href="#L96">96</a> } <strong class="jxr_keyword">else</strong> {
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<a class="jxr_linenumber" name="L97" href="#L97">97</a> dependency.getVersionEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L98" href="#L98">98</a> version.toString(), Confidence.HIGHEST);
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<a class="jxr_linenumber" name="L99" href="#L99">99</a> }
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<a class="jxr_linenumber" name="L100" href="#L100">100</a> dependency.getVersionEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L101" href="#L101">101</a> fileName, Confidence.MEDIUM);
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<a class="jxr_linenumber" name="L102" href="#L102">102</a> }
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<a class="jxr_linenumber" name="L103" href="#L103">103</a>
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<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em class="jxr_comment">//add as vendor and product evidence</em>
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<a class="jxr_linenumber" name="L105" href="#L105">105</a> <strong class="jxr_keyword">if</strong> (fileName.contains(<span class="jxr_string">"-"</span>)) {
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<a class="jxr_linenumber" name="L106" href="#L106">106</a> dependency.getProductEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L107" href="#L107">107</a> fileName, Confidence.HIGHEST);
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<a class="jxr_linenumber" name="L108" href="#L108">108</a> dependency.getVendorEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L109" href="#L109">109</a> fileName, Confidence.HIGHEST);
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<a class="jxr_linenumber" name="L110" href="#L110">110</a> } <strong class="jxr_keyword">else</strong> {
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<a class="jxr_linenumber" name="L111" href="#L111">111</a> dependency.getProductEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L112" href="#L112">112</a> fileName, Confidence.HIGH);
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<a class="jxr_linenumber" name="L113" href="#L113">113</a> dependency.getVendorEvidence().addEvidence(<span class="jxr_string">"file"</span>, <span class="jxr_string">"name"</span>,
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<a class="jxr_linenumber" name="L114" href="#L114">114</a> fileName, Confidence.HIGH);
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<a class="jxr_linenumber" name="L115" href="#L115">115</a> }
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<a class="jxr_linenumber" name="L116" href="#L116">116</a> }
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<a class="jxr_linenumber" name="L117" href="#L117">117</a> }
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</pre>
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