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package org.apache.maven.index.context; |
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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.Tokenizer; |
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import org.apache.maven.index.creator.JarFileContentsIndexCreator; |
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38 | 3387 | public final class NexusAnalyzer |
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extends Analyzer |
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{ |
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public TokenStream tokenStream( String fieldName, Reader reader ) |
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{ |
43 | 63344 | return getTokenizer( fieldName, reader ); |
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} |
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protected Tokenizer getTokenizer( String fieldName, Reader reader ) |
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{ |
48 | 63344 | if ( JarFileContentsIndexCreator.FLD_CLASSNAMES_KW.getKey().equals( fieldName ) ) |
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{ |
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51 | 1091 | return new DeprecatedClassnamesTokenizer( reader ); |
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} |
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else |
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{ |
55 | 62253 | return new LetterOrDigitTokenizer( reader ); |
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} |
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} |
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public static class NoopTokenizer |
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extends CharTokenizer |
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{ |
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public NoopTokenizer( Reader in ) |
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{ |
66 | 0 | super( in ); |
67 | 0 | } |
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@Override |
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protected boolean isTokenChar( char c ) |
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{ |
72 | 0 | return true; |
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} |
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} |
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@Deprecated |
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public static class DeprecatedClassnamesTokenizer |
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extends CharTokenizer |
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{ |
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public DeprecatedClassnamesTokenizer( Reader in ) |
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{ |
82 | 1091 | super( in ); |
83 | 1091 | } |
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@Override |
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protected boolean isTokenChar( char c ) |
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{ |
88 | 2653689 | return c != '\n'; |
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} |
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@Override |
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protected char normalize( char c ) |
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{ |
94 | 2581259 | return Character.toLowerCase( c ); |
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} |
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} |
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98 | 3387 | public static class LetterOrDigitTokenizer |
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extends CharTokenizer |
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{ |
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public LetterOrDigitTokenizer( Reader in ) |
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{ |
103 | 62253 | super( in ); |
104 | 62253 | } |
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@Override |
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protected boolean isTokenChar( char c ) |
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{ |
109 | 3597645 | 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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{ |
115 | 3099787 | return Character.toLowerCase( c ); |
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} |
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} |
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} |