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<h1><a href="http://wiki.onehippo.com/display/CMS7"><img class="logo global custom" src="Use+a+different+Lucene+Analyzer_files/global.gif" alt=""></a> <a href="http://wiki.onehippo.com/display/CMS7/Use+a+different+Lucene+Analyzer">Use a different Lucene Analyzer</a> |
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</h1> |
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<h2><a name="UseadifferentLuceneAnalyzer-Introduction"></a>Introduction</h2> |
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<p>Hippo Repository uses <a href="http://lucene.apache.org/java/2_3_2/api/org/apache/lucene/analysis/standard/StandardAnalyzer.html" rel="nofollow">org.apache.lucene.analysis.standard.StandardAnalyzer</a> |
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as default Lucene Analyzer for the stored content. It contains a list |
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of common English stopwords like "the", "and" and "or" which it doesn't |
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index. Some languages have their own Lucene analyzer like German, |
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French and Dutch. </p> |
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<p>For example the DutchAnalyzer treats "financi��n" (spelled correctly) |
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and "financien" (without the accent on the e) as the same word. |
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Visitors of your site don't have to think about whether to use accents |
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on letters or not. The DutchAnalyzer also supports stemming (strip |
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words to their root). The side effect is that it breaks wildcard |
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searching.</p> |
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<h2><a name="UseadifferentLuceneAnalyzer-ConfigureadifferentLuceneAnalyzer"></a>Configure a different Lucene Analyzer</h2> |
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<h3><a name="UseadifferentLuceneAnalyzer-Adddependency"></a>Add dependency</h3> |
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<p>To configure a diffferent Lucene Analyzer, first add the |
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lucene-analyzers dependency to the pom.xml of each subproject that |
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contains its own repository. This is mostly the "CMS" subproject. If |
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your website and CMS use their own repositories, add it to the projects |
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that need the different analyzers.</p> |
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<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> |
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<pre class="code-xml"><span class="code-tag"><dependency></span> |
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<span class="code-tag"><groupId></span>org.apache.lucene<span class="code-tag"></groupId></span> |
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<span class="code-tag"><artifactId></span>lucene-analyzers<span class="code-tag"></artifactId></span> |
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<span class="code-tag"><span class="code-comment"><!-- check the version for your current Hippo Repository --></span></span> |
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<span class="code-tag"><version></span>2.3.2<span class="code-tag"></version></span> |
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<span class="code-tag"></dependency></span> |
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</pre> |
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</div></div> |
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<h3><a name="UseadifferentLuceneAnalyzer-ModifytheAnalyzerclass"></a>Modify the Analyzer class</h3> |
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<p>The Analyzer class is configured in the repository.xml file. If you do not have one yet, you can copy it from <tt>cms/target/work/webapp/WEB-INF/classes/org/hippoecm/repository/repository.xml</tt> after you installed your CMS subproject. <br> |
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In a running project it can be read from a filesystem location or from |
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the application package. If you want to keep this file in your |
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application package, copy it to <tt>src/main/resources/org/hippoecm/repository/repository.xml</tt> in your Maven project. <br> |
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Change the value of </p><div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> |
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<pre class="code-xml"><span class="code-tag"><param name=<span class="code-quote">"analyzer"</span> value=<span class="code-quote">"org.apache.lucene.analysis.standard.StandardAnalyzer"</span>/></span></pre> |
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</div></div> to the classname of your analyzer. |
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<h3><a name="UseadifferentLuceneAnalyzer-Optionallyconfigurethelocationofrepository.xml"></a>Optionally configure the location of repository.xml</h3> |
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<p>If the repository.xml is not in the default location, also modify the web.xml:</p> |
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<div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> |
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<pre class="code-xml"><span class="code-tag"><span class="code-comment"><!-- Repository --></span></span> |
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<span class="code-tag"><servlet></span> |
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<span class="code-tag"><servlet-name></span>Repository<span class="code-tag"></servlet-name></span> |
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<span class="code-tag"><servlet-class></span>org.hippoecm.repository.RepositoryServlet<span class="code-tag"></servlet-class></span> |
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<span class="code-tag"><init-param></span> |
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<span class="code-tag"><param-name></span>repository-config<span class="code-tag"></param-name></span> |
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<span class="code-tag"><param-value></span>repository.xml<span class="code-tag"></param-value></span> |
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<span class="code-tag"><description></span>The location of the repository configuration file. |
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Unless the location starts with file://, the location is |
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retrieved from within the application package as resource |
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<span class="code-tag"></description></span> |
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<span class="code-tag"></init-param></span> |
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<span class="code-tag"><load-on-startup></span>4<span class="code-tag"></load-on-startup></span> |
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<span class="code-tag"></servlet></span> |
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</pre> |
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