I'm currently using this snippet (with older Highlighter):
HitPositionCollector collector = new HitPositionCollector();
highlighter = new Highlighter(collector,
scorer);
highlighter.setTextFragmenter(new
SimpleSpanFragmenter(scorer,
Integer.MAX_VALUE));
TokenStream stream =
TokenSources.getAnyTokenStream(isearcher.getIndexReader(),
docs[i].doc,
FIELD_CONTENTS,
hitDoc,
analyzer);
String fragment =
highlighter.getBestFragment(stream, content);
ArrayList<MatchOffset> list =
collector.getMatchList();
public static class HitPositionCollector implements Formatter{
// MatchOffset is a simple DTO
private ArrayList<MatchOffset> matchList;
public HitPositionCollector(){
matchList= new ArrayList<MatchOffset>();
}
// this ie where the term start and end offset as well as the
actual term
is captured
@Override
public String highlightTerm(String originalText, TokenGroup
tokenGroup) {
if (tokenGroup.getTotalScore() <= 0) {
}
else{
MatchOffset mo= new
MatchOffset(tokenGroup.getToken(0).toString(),
tokenGroup.getStartOffset(),tokenGroup.getEndOffset());
getMatchList().add(mo);
}
return originalText;
}
/**
* @return the matchList
*/
public ArrayList<MatchOffset> getMatchList() {
return matchList;
}
//-----------------------------------------------------------------------------------------------------
//
// Inner classes
//
//-----------------------------------------------------------------------------------------------------
public static class MatchOffset {
public String smth;
public int start;
public int end;
public MatchOffset(String smth, int start, int end) {
this.smth = smth;
this.start = start;
this.end = end;
}
}
}
The solution with PostingsHighlighter is similar to this? I mean here I have
custom Formatter and I need a custom one for PostingHighlighter too?
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