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package org.apache.maven.index.context; |
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import java.io.IOException; |
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import java.io.Reader; |
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import org.apache.lucene.analysis.Analyzer; |
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import org.apache.lucene.analysis.CharTokenizer; |
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import org.apache.lucene.analysis.TokenStream; |
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import org.apache.lucene.analysis.standard.StandardAnalyzer; |
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import org.apache.lucene.util.Version; |
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import org.apache.maven.index.ArtifactInfo; |
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39 | 192 | public final class NexusLegacyAnalyzer |
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extends Analyzer |
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{ |
42 | 1 | private static Analyzer DEFAULT_ANALYZER = new StandardAnalyzer( Version.LUCENE_30 ); |
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@Override |
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public TokenStream tokenStream( String field, final Reader reader ) |
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{ |
47 | 0 | if ( !isTextField( field ) ) |
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{ |
49 | 0 | return new CharTokenizer( reader ) |
50 | 0 | { |
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@Override |
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protected boolean isTokenChar( char c ) |
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{ |
54 | 0 | return Character.isLetterOrDigit( c ); |
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} |
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@Override |
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protected char normalize( char c ) |
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{ |
60 | 0 | return Character.toLowerCase( c ); |
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} |
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}; |
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} |
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else |
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{ |
66 | 0 | return DEFAULT_ANALYZER.tokenStream( field, reader ); |
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} |
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} |
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@Override |
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public TokenStream reusableTokenStream( String field, Reader reader ) |
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throws IOException |
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{ |
74 | 70967 | if ( !isTextField( field ) ) |
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{ |
76 | 49152 | return new CharTokenizer( reader ) |
77 | 49152 | { |
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@Override |
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protected boolean isTokenChar( char c ) |
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{ |
81 | 535905 | return Character.isLetterOrDigit( c ); |
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} |
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@Override |
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protected char normalize( char c ) |
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{ |
87 | 472317 | return Character.toLowerCase( c ); |
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} |
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}; |
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} |
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else |
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{ |
93 | 21815 | return DEFAULT_ANALYZER.reusableTokenStream( field, reader ); |
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} |
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} |
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protected boolean isTextField( String field ) |
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{ |
99 | 70967 | return ArtifactInfo.NAME.equals( field ) || ArtifactInfo.DESCRIPTION.equals( field ) |
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|| ArtifactInfo.NAMES.equals( field ); |
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} |
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} |