/**
* License Agreement for OpenSearchServer
*
* Copyright (C) 2012 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.filter;
import java.io.IOException;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.lucene.analysis.TokenStream;
import com.jaeksoft.searchlib.analysis.FilterFactory;
public class DecodeHtmlEntitiesFilter extends FilterFactory {
public class DecodeHtmlEntitiesTokenFilter extends AbstractTermFilter {
protected DecodeHtmlEntitiesTokenFilter(TokenStream input) {
super(input);
}
@Override
public final boolean incrementToken() throws IOException {
for (;;) {
if (!input.incrementToken())
return false;
createToken(StringEscapeUtils.unescapeHtml4(termAtt.toString()));
return true;
}
}
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new DecodeHtmlEntitiesTokenFilter(tokenStream);
}
}