임시 참조 - 루씬 한글 형태소 분석기 사용하기 (Util)

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package kr.org.kisti.morph;

import java.io.Reader;
import java.io.StringReader;
import java.util.List;
import java.util.StringTokenizer;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.kr.KoreanAnalyzer;
import org.apache.lucene.analysis.kr.KoreanFilter;
import org.apache.lucene.analysis.kr.KoreanTokenizer;
import org.apache.lucene.analysis.kr.morph.AnalysisOutput;
import org.apache.lucene.analysis.kr.morph.CompoundEntry;
import org.apache.lucene.analysis.kr.morph.CompoundNounAnalyzer;
import org.apache.lucene.analysis.kr.morph.MorphAnalyzer;
import org.apache.lucene.analysis.kr.morph.MorphException;
import org.apache.lucene.analysis.kr.morph.WordSpaceAnalyzer;

/**
 *
 * @author hwang
 */
public class KMSMorphUtil {
    public String morphAnalyze(String source) throws MorphException {
        StringBuilder result = new StringBuilder();
        MorphAnalyzer maAnal = new MorphAnalyzer();
        StringTokenizer stok = new StringTokenizer(source, " ");
        while(stok.hasMoreTokens()) {
            String token = stok.nextToken();
            List<AnalysisOutput> outList = maAnal.analyze(token);
            for(AnalysisOutput o: outList) {
                result.append(o).append(" ");
            }
        }
        return result.toString();
    }

    public String wordSpaceAnalyze(String source, boolean force) throws MorphException {
        StringBuilder result = new StringBuilder();
        WordSpaceAnalyzer wsAnal = new WordSpaceAnalyzer();
        String s;
        if(force)
            s = source.replace(" ", "");
        else
            s = source;
        List<AnalysisOutput> outList = wsAnal.analyze(s);
        for(AnalysisOutput o: outList) {
            result.append(o.getSource()).append(" ");
        }

        return result.toString();
    }

    public String wordSpaceAnalyze(String source) throws MorphException {
        return wordSpaceAnalyze(source, false);
    }

    public String compoundNounAnalyze(String source) throws MorphException {
        StringBuilder result = new StringBuilder();
        CompoundNounAnalyzer cnAnal = new CompoundNounAnalyzer();
        List<CompoundEntry> outList = cnAnal.analyze(source);
        for(CompoundEntry o: outList) {
            result.append(o.getWord()).append(" ");
        }

        return result.toString();
    }

    public String guideWord(String source) throws MorphException {
        StringBuilder result = new StringBuilder();
        MorphAnalyzer maAnal = new MorphAnalyzer();
        StringTokenizer stok = new StringTokenizer(source, " ");
        while(stok.hasMoreTokens()) {
            String token = stok.nextToken();
            List<AnalysisOutput> outList = maAnal.analyze(token);
            for(AnalysisOutput o: outList) {
                result.append(o.getStem());
                boolean first = true;
                for(CompoundEntry s : o.getCNounList()) {
                    if(first) {
                        result.append("(" + s.getWord());
                        first = false;
                    }
                    else {
                        result.append("+" + s.getWord());
                    }
                }
                if(!first)
                    result.append(")");
                result.append(",");
            }
        }
        String s = result.toString();
        if(s.endsWith(","))
            s = s.substring(0, s.length()-1);
        return s;
    }
}