Lucene StringDistance sample

gistfile1.java

import java.util.ArrayList;
import java.util.List;
import org.apache.lucene.search.spell.JaroWinklerDistance;
import org.apache.lucene.search.spell.LevensteinDistance;
import org.apache.lucene.search.spell.NGramDistance;
import org.apache.lucene.search.spell.StringDistance;

public class TestLuceneDistanceImplementations
{
    public static void main(String[] args)
    {
        //Lucene StringDistance implementations
        LevensteinDistance levenstein = new LevensteinDistance();
        JaroWinklerDistance jaroWinkler = new JaroWinklerDistance();
        NGramDistance nGram = new NGramDistance();

        List<StringDistance> distanceList = new ArrayList<StringDistance>();
        distanceList.add( levenstein );
        distanceList.add( jaroWinkler );
        distanceList.add( nGram );

        // Dictionary is a set of words assumed correctly spelled
        String[] dictionary = {
                "notebook",
                "notebooks",
                "netbook" };

        // Misspelled word. User entry
        String misspelled = "notebuk";

        for ( StringDistance distanceAlgorithm : distanceList )
        {
            System.out.println( distanceAlgorithm.getClass() );
            
            for ( String word : dictionary )
            {
                float distance = distanceAlgorithm.getDistance( word, misspelled );
                System.out.println( "misspelled=" + misspelled + "\tword=" + word + "\tdistance=" + distance );
            }
        }
    }
}