EDIT

/**

* Copyright (C) 2007 EDIT

* European Distributed Institute of Taxonomy 

* http://www.e-taxonomy.eu

* 

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.io.pesi.erms;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.util.HashMap;

import java.util.HashSet;

import java.util.Map;

import java.util.Set;

import org.apache.log4j.Logger;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.io.common.IOValidator;

import eu.etaxonomy.cdm.io.common.mapping.DbImportImageCreationMapper;

import eu.etaxonomy.cdm.io.common.mapping.DbImportMapping;

import eu.etaxonomy.cdm.io.common.mapping.DbImportMediaMapper;

import eu.etaxonomy.cdm.io.pesi.erms.validation.ErmsImageImportValidator;

import eu.etaxonomy.cdm.model.common.CdmBase;

import eu.etaxonomy.cdm.model.description.TextData;

import eu.etaxonomy.cdm.model.media.Media;

import eu.etaxonomy.cdm.model.taxon.TaxonBase;

/**

 * @author a.mueller

 * @created 20.02.2010

 */

@Component

public class ErmsImageImport  extends ErmsImportBase<TextData> {

	@SuppressWarnings("unused")

	private static final Logger logger = Logger.getLogger(ErmsImageImport.class);

	private DbImportMapping<ErmsImportState, ErmsImportConfigurator> mapping;

	private static final String pluralString = "images";

	private static final String dbTableName = "images";

	private static final Class<?> cdmTargetClass = Media.class;

	private static final int devideCountBy = 10;

	public ErmsImageImport(){

		super(pluralString, dbTableName, cdmTargetClass);

	}

	@Override

	protected String getIdQuery() {

		String strIdQuery = 

			" SELECT tu_id, img_thumb " +   //tu_id is not a key

			" FROM images " + 

			" ORDER BY tu_id, img_thumb, img_url ";

		return strIdQuery;

	}

	@Override

	protected String getRecordQuery(ErmsImportConfigurator config) {

		String strRecordQuery = 

			" SELECT * " + 

			" FROM images " +

			" WHERE ( images.tu_id IN (" + ID_LIST_TOKEN + ") AND " +

				"  images.img_thumb IN (" + ID_LIST_TOKEN + ")  )";

		return strRecordQuery;

	}

	@Override

	protected DbImportMapping<ErmsImportState, ErmsImportConfigurator> getMapping() {

		if (mapping == null){

			mapping = new DbImportMapping<ErmsImportState, ErmsImportConfigurator>();

			//TODO do we need to add to TaxonNameBase too?

			String idAttribute = null;

			boolean isOneTextData = true;

			mapping.addMapper(DbImportImageCreationMapper.NewInstance(idAttribute, IMAGE_NAMESPACE, "tu_id", ErmsTaxonImport.TAXON_NAMESPACE, isOneTextData));

			mapping.addMapper(DbImportMediaMapper.NewInstance("img_url", "img_thumb"));

		}

		return mapping;

	}

	@Override

	public Map<Object, Map<String, ? extends CdmBase>> getRelatedObjectsForPartition(ResultSet rs, ErmsImportState state) {

		String nameSpace;

		Class<?> cdmClass;

		Set<String> idSet;

		Map<Object, Map<String, ? extends CdmBase>> result = new HashMap<Object, Map<String, ? extends CdmBase>>();

		try{

			Set<String> taxonIdSet = new HashSet<String>();

			while (rs.next()){

				handleForeignKey(rs, taxonIdSet, "tu_id");

			}

			//taxon map

			nameSpace = ErmsTaxonImport.TAXON_NAMESPACE;

			cdmClass = TaxonBase.class;

			idSet = taxonIdSet;

			Map<String, TaxonBase<?>> taxonMap = (Map<String, TaxonBase<?>>)getCommonService().getSourcedObjectsByIdInSource(cdmClass, idSet, nameSpace);

			result.put(nameSpace, taxonMap);

		} catch (SQLException e) {

			throw new RuntimeException(e);

		}

		return result;

	}

	@Override

	protected int divideCountBy() { return devideCountBy;}

	@Override

	protected boolean doCheck(ErmsImportState state){

		IOValidator<ErmsImportState> validator = new ErmsImageImportValidator();

		return validator.validate(state);

	}

	@Override

	protected boolean isIgnore(ErmsImportState state){

		return ! state.getConfig().isDoImages();

	}

}