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/**
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* Copyright (C) 2007 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.out;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.io.UnsupportedEncodingException;
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import java.util.List;
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import java.util.Set;
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import org.apache.log4j.Logger;
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import org.springframework.stereotype.Component;
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import org.springframework.transaction.TransactionStatus;
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import eu.etaxonomy.cdm.model.common.CdmBase;
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import eu.etaxonomy.cdm.model.common.Language;
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import eu.etaxonomy.cdm.model.common.LanguageString;
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import eu.etaxonomy.cdm.model.description.DescriptionBase;
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import eu.etaxonomy.cdm.model.description.DescriptionElementBase;
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import eu.etaxonomy.cdm.model.media.Media;
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import eu.etaxonomy.cdm.model.media.MediaRepresentation;
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import eu.etaxonomy.cdm.model.media.MediaRepresentationPart;
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import eu.etaxonomy.cdm.model.taxon.Taxon;
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import eu.etaxonomy.cdm.model.taxon.TaxonNode;
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/**
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* @author a.mueller
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* @created 20.04.2011
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*/
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@Component
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public class DwcaImageExport extends DwcaExportBase {
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private static final Logger logger = Logger.getLogger(DwcaImageExport.class);
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private static final String ROW_TYPE = "http://rs.gbif.org/terms/1.0/Image";
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private static final String fileName = "images.txt";
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/**
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* Constructor
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*/
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public DwcaImageExport() {
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super();
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this.ioName = this.getClass().getSimpleName();
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}
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/** Retrieves data from a CDM DB and serializes them CDM to XML.
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* Starts with root taxa and traverses the classification to retrieve children taxa, synonyms and relationships.
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* Taxa that are not part of the classification are not found.
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*
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* @param exImpConfig
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* @param dbname
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* @param filename
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*/
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@Override
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protected void doInvoke(DwcaTaxExportState state){
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DwcaTaxExportConfigurator config = state.getConfig();
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TransactionStatus txStatus = startTransaction(true);
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PrintWriter writer = null;
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try {
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writer = createPrintWriter(fileName, state);
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DwcaMetaDataRecord metaRecord = new DwcaMetaDataRecord(! IS_CORE, fileName, ROW_TYPE);
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state.addMetaRecord(metaRecord);
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List<TaxonNode> allNodes = getAllNodes(null);
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for (TaxonNode node : allNodes){
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Taxon taxon = CdmBase.deproxy(node.getTaxon(), Taxon.class);
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Set<? extends DescriptionBase<?>> descriptions = taxon.getDescriptions();
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for (DescriptionBase<?> description : descriptions){
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for (Object o : description.getElements()){
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DescriptionElementBase el = CdmBase.deproxy(o, DescriptionElementBase.class);
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if (el.getMedia().size() > 0){
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for (Media media: el.getMedia()){
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for (MediaRepresentation repr : media.getRepresentations()){
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for (MediaRepresentationPart part : repr.getParts()){
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if (! this.recordExists(part)){
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DwcaImageRecord record = new DwcaImageRecord(metaRecord, config);
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handleMedia(record, media, repr, part, taxon);
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record.write(writer);
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this.addExistingRecord(part);
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}
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}
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}
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}
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}
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}
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}
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writer.flush();
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}
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (UnsupportedEncodingException e) {
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e.printStackTrace();
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} catch (ClassCastException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}finally {
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closeWriter(writer, state);
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}
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commitTransaction(txStatus);
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return;
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}
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private void handleMedia(DwcaImageRecord record, Media media, MediaRepresentation repr, MediaRepresentationPart part, Taxon taxon) {
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record.setId(taxon.getId());
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record.setUuid(taxon.getUuid());
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if (part.getUri() == null){
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String message = "No uri available for media ("+media.getId()+"). URI is required field. Taxon: " + this.getTaxonLogString(taxon);
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logger.warn(message);
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}
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record.setIdentifier(part.getUri());
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record.setTitle(media.getTitleCache());
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//TODO description if default language description is not available
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LanguageString description = media.getDescription(Language.DEFAULT());
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record.setDescription(description == null ? null: description.getText());
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//TODO missing
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record.setSpatial(null);
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//TODO missing
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record.setCoordinates(null);
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record.setFormat(repr.getMimeType());
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//FIXME missing ??
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record.setLicense(media.getRights());
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record.setCreated(media.getMediaCreated());
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record.setCreator(media.getArtist());
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//TODO missing
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record.setContributor(null);
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//TODO missing
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record.setPublisher(null);
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//TODO missing
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record.setAudience(null);
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}
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@Override
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protected boolean doCheck(DwcaTaxExportState state) {
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boolean result = true;
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logger.warn("No check implemented for " + this.ioName);
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return result;
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}
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@Override
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protected boolean isIgnore(DwcaTaxExportState state) {
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return ! state.getConfig().isDoImages();
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}
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}
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