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/**
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* Copyright (C) 2009 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.cdm.io.dwca.in;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.io.stream.IPartitionableConverter;
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import eu.etaxonomy.cdm.io.stream.IReader;
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import eu.etaxonomy.cdm.io.stream.ListReader;
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import eu.etaxonomy.cdm.io.stream.MappedCdmBase;
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import eu.etaxonomy.cdm.io.stream.PartitionableConverterBase;
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import eu.etaxonomy.cdm.io.stream.StreamItem;
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import eu.etaxonomy.cdm.io.stream.terms.TermUri;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.reference.Reference;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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/**
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 * @author a.mueller
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 * @since 22.11.2011
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 *
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 */
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public class GbifImageCsv2CdmConverter extends PartitionableConverterBase<DwcaDataImportConfiguratorBase, DwcaDataImportStateBase<DwcaDataImportConfiguratorBase>>
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						implements IPartitionableConverter<StreamItem, IReader<CdmBase>, String>{
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	@SuppressWarnings("unused")
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	private static final Logger logger = Logger.getLogger(GbifImageCsv2CdmConverter.class);
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	private static final String CORE_ID = "coreId";
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	/**
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	 * @param state
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	 */
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	public GbifImageCsv2CdmConverter(DwcaDataImportStateBase state) {
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		super(state);
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	}
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	@Override
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    public IReader<MappedCdmBase<? extends CdmBase>> map(StreamItem item ){
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		List<MappedCdmBase<? extends CdmBase>> resultList = new ArrayList<>();
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		Map<String, String> csv = item.map;
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		Reference sourceReference = state.getTransactionalSourceReference();
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		String sourceReferecenDetail = null;
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		String id = getSourceId(item);
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		Taxon taxon = getTaxonBase(id, item, Taxon.class, state);
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		if (taxon != null){
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//			xxx;
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		}else{
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			String message = "Can't retrieve taxon from database for id '%s'";
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			fireWarningEvent(String.format(message, id), item, 12);
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		}
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		//return
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		return new ListReader<>(resultList);
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	}
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	@Override
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	public String getSourceId(StreamItem item) {
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		String id = item.get(CORE_ID);
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		return id;
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	}
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//********************** PARTITIONABLE **************************************/
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	@Override
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	protected void makeForeignKeysForItem(StreamItem item, Map<String, Set<String>> fkMap) {
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		String value;
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		String key;
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		//taxon
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		if ( hasValue(value = item.get(CORE_ID))){
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			key = TermUri.DWC_TAXON.toString();
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			Set<String> keySet = getKeySet(key, fkMap);
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			keySet.add(value);
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		}
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	}
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	@Override
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	public Set<String> requiredSourceNamespaces() {
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		Set<String> result = new HashSet<>();
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 		result.add(TermUri.DWC_TAXON.toString());
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 		return result;
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	}
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//******************* TO STRING ******************************************/
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	@Override
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	public String toString(){
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		return this.getClass().getName();
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	}
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}