Examples with StandardTokenizer org.apache.lucene.analysis.standard.StandardTokenizer used on opensource projects

Example 36 with StandardTokenizer

use of org.apache.lucene.analysis.standard.StandardTokenizer in project crate by crate.

the class StandardTokenizerFactory method create.

@Override
public Tokenizer create() {
    StandardTokenizer tokenizer = new StandardTokenizer();
    tokenizer.setMaxTokenLength(maxTokenLength);
    return tokenizer;
}

Example 37 with StandardTokenizer

use of org.apache.lucene.analysis.standard.StandardTokenizer in project Anserini by castorini.

the class DefaultEnglishAnalyzer method createComponents.

protected TokenStreamComponents createComponents(String fieldName) {
    Tokenizer source = new StandardTokenizer();
    TokenStream result;
    result = source;
    result = new EnglishPossessiveFilter(result);
    result = new LowerCaseFilter(result);
    result = new StopFilter(result, this.stopwords);
    if (!this.stemExclusionSet.isEmpty()) {
        result = new SetKeywordMarkerFilter(result, this.stemExclusionSet);
    }
    if (stem) {
        if (this.stemmer.compareToIgnoreCase("porter") == 0 || this.stemmer.compareToIgnoreCase("p") == 0) {
            result = new PorterStemFilter(result);
        } else if (this.stemmer.compareToIgnoreCase("krovetz") == 0 || this.stemmer.compareToIgnoreCase("k") == 0) {
            result = new KStemFilter(result);
        }
    }
    return new TokenStreamComponents(source, result);
}

Example 38 with StandardTokenizer

use of org.apache.lucene.analysis.standard.StandardTokenizer in project lucene-skos by behas.

the class SKOSAnalyzer method createComponents.

@Override
protected TokenStreamComponents createComponents(String fileName) {
    if (expansionType.equals(ExpansionType.URI)) {
        final KeywordTokenizer src = new KeywordTokenizer();
        TokenStream tok = new SKOSURIFilter(src, skosEngine, new StandardAnalyzer(), types);
        tok = new LowerCaseFilter(tok);
        return new TokenStreamComponents(src, tok);
    } else {
        final StandardTokenizer src = new StandardTokenizer();
        src.setMaxTokenLength(maxTokenLength);
        TokenStream tok = new StandardFilter(src);
        // prior to this we get the classic behavior, standardfilter does it for us.
        tok = new SKOSLabelFilter(tok, skosEngine, new StandardAnalyzer(), bufferSize, types);
        tok = new LowerCaseFilter(tok);
        tok = new StopFilter(tok, stopwords);
        tok = new RemoveDuplicatesTokenFilter(tok);
        return new TokenStreamComponents(src, tok) {

            @Override
            protected void setReader(final Reader reader) throws IOException {
                src.setMaxTokenLength(maxTokenLength);
                super.setReader(reader);
            }
        };
    }
}

Example 39 with StandardTokenizer

use of org.apache.lucene.analysis.standard.StandardTokenizer in project cogcomp-nlp by CogComp.

the class ASCIIEnglishAnalyzer method createComponents.

@Override
protected TokenStreamComponents createComponents(String fieldName) {
    final Tokenizer source = new StandardTokenizer();
    TokenStream result = new StandardFilter(source);
    result = new ASCIIFoldingFilter(result);
    result = new EnglishPossessiveFilter(result);
    result = new WordDelimiterFilter(result, WordDelimiterFilter.ALPHA, null);
    result = new LowerCaseFilter(result);
    result = new StopFilter(result, EnglishAnalyzer.getDefaultStopSet());
    result = new PorterStemFilter(result);
    return new TokenStreamComponents(source, result);
}

Example 40 with StandardTokenizer

use of org.apache.lucene.analysis.standard.StandardTokenizer in project cogcomp-nlp by CogComp.

the class MinimalAnalyzer method createComponents.

@Override
protected TokenStreamComponents createComponents(String fieldName) {
    final Tokenizer source = new StandardTokenizer();
    TokenStream result = new StandardFilter(source);
    result = new ASCIIFoldingFilter(result);
    result = new LowerCaseFilter(result);
    result = new EnglishPossessiveFilter(result);
    result = new StopFilter(result, stopwords);
    result = new WordDelimiterFilter(result, WordDelimiterFilter.ALPHA, null);
    result = new PorterStemFilter(result);
    return new TokenStreamComponents(source, result);
}