/**
* 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 org.apache.lucene.analysis.TokenStream;
import com.jaeksoft.searchlib.SearchLibException;
import com.jaeksoft.searchlib.analysis.ClassPropertyEnum;
import com.jaeksoft.searchlib.analysis.FilterFactory;
import com.jaeksoft.searchlib.analysis.filter.duplicateCharacters.DuplicateCharactersFilter;
public class RemoveDuplicateCharactersFilter extends FilterFactory {
private boolean removeDuplicateLetters = true;
private boolean removeDuplicateDigits = true;
private boolean removeDuplicateWhiteSpaces = true;
@Override
public void initProperties() throws SearchLibException {
super.initProperties();
addProperty(ClassPropertyEnum.REMOVE_DUPLICATE_LETTERS,
Boolean.TRUE.toString(), ClassPropertyEnum.BOOLEAN_LIST, 0, 0);
addProperty(ClassPropertyEnum.REMOVE_DUPLICATE_DIGITS,
Boolean.TRUE.toString(), ClassPropertyEnum.BOOLEAN_LIST, 0, 0);
addProperty(ClassPropertyEnum.REMOVE_DUPLICATE_WHITESPACES,
Boolean.TRUE.toString(), ClassPropertyEnum.BOOLEAN_LIST, 0, 0);
}
@Override
public void checkValue(ClassPropertyEnum prop, String value)
throws SearchLibException {
if (value == null || value.length() == 0)
return;
if (prop == ClassPropertyEnum.REMOVE_DUPLICATE_LETTERS)
removeDuplicateLetters = Boolean.parseBoolean(value);
else if (prop == ClassPropertyEnum.REMOVE_DUPLICATE_DIGITS)
removeDuplicateDigits = Boolean.parseBoolean(value);
else if (prop == ClassPropertyEnum.REMOVE_DUPLICATE_WHITESPACES)
removeDuplicateWhiteSpaces = Boolean.parseBoolean(value);
}
@Override
public TokenStream create(TokenStream tokenStream) {
return new DuplicateCharactersFilter(tokenStream,
removeDuplicateLetters, removeDuplicateDigits,
removeDuplicateWhiteSpaces);
}
}