/**
* License Agreement for OpenSearchServer
*
* Copyright (C) 2012-2013 Emmanuel Keller / Jaeksoft
*
* http://www.open-search-server.com
*
* This file is part of OpenSearchServer.
*
* OpenSearchServer is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* OpenSearchServer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenSearchServer.
* If not, see <http://www.gnu.org/licenses/>.
**/
package com.jaeksoft.searchlib.analysis;
import java.io.IOException;
import java.util.Collection;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.tokenattributes.FlagsAttribute;
public class FlagsTokenFilter extends org.apache.lucene.analysis.TokenFilter {
private FlagsAttribute flagsAtt;
private final Collection<Integer> flagsCollector;
protected FlagsTokenFilter(Collection<Integer> flagsCollector,
TokenStream input) {
super(input);
this.flagsCollector = flagsCollector;
this.flagsAtt = (FlagsAttribute) addAttribute(FlagsAttribute.class);
}
@Override
public final boolean incrementToken() throws IOException {
if (!input.incrementToken())
return false;
flagsCollector.add(flagsAtt.getFlags());
return true;
}
}