/*
* This is eMonocot, a global online biodiversity information resource.
*
* Copyright © 2011–2015 The Board of Trustees of the Royal Botanic Gardens, Kew and The University of Oxford
*
* eMonocot is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero General Public License as published by the Free Software Foundation, either version 3
* of the License, or (at your option) any later version.
*
* eMonocot 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 Affero General Public License for more details.
*
* The complete text of the GNU Affero General Public License is in the source repository as the file
* ‘COPYING’. It is also available from <http://www.gnu.org/licenses/>.
*/
package org.emonocot.job.grassbase;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import au.org.ala.delta.DeltaContext;
import au.org.ala.delta.model.Character;
import au.org.ala.delta.model.Item;
import au.org.ala.delta.model.MultiStateAttribute;
import au.org.ala.delta.model.MultiStateCharacter;
import au.org.ala.delta.translation.naturallanguage.NaturalLanguageDataSetFilter;
/**
* Based on STRIPIMPLICIT vb6 script written by Kehan Harman
* @author ben
*
*/
public class StripImplictCharsDatasetFilter extends NaturalLanguageDataSetFilter {
Logger logger = LoggerFactory.getLogger(StripImplictCharsDatasetFilter.class);
public StripImplictCharsDatasetFilter(DeltaContext context) {
super(context);
}
@Override
public boolean filter(Item item, Character character) {
if(character instanceof MultiStateCharacter) {
MultiStateCharacter multiStateCharacter = (MultiStateCharacter) character;
MultiStateAttribute attribute = (MultiStateAttribute)item.getAttribute(character);
logger.debug("Character " + character.getCharacterId() + " being considered for stripping. Implicit State " + multiStateCharacter.getUncodedImplicitState() + " actual value " + attribute.getValueAsString());
if(multiStateCharacter.getUncodedImplicitState() > 0 && attribute.getPresentStates().size() == 1 && (multiStateCharacter.getUncodedImplicitState() == attribute.getFirstStateCoded())) {
logger.debug("filtering " + character.getCharacterId());
return false;
} else {
return super.filter(item, character);
}
} else {
return super.filter(item, character);
}
}
}