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;

import java.io.File;

import java.io.IOException;

import java.net.MalformedURLException;

import java.net.URI;

import java.net.URL;

import java.util.List;

import java.util.UUID;

import org.apache.log4j.Logger;

import org.joda.time.DateTime;

import org.springframework.stereotype.Component;

import eu.etaxonomy.cdm.app.images.AbstractImageImporter;

import eu.etaxonomy.cdm.app.images.ImageImportConfigurator;

import eu.etaxonomy.cdm.common.CdmUtils;

import eu.etaxonomy.cdm.common.mediaMetaData.ImageMetaData;

import eu.etaxonomy.cdm.model.agent.AgentBase;

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

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

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

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

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

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

import eu.etaxonomy.cdm.model.reference.ReferenceBase;

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

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

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

/**

 * @author n.hoffmann

 * @created 18.11.2008

 * @version 1.0

 */

@Component

public class CichorieaeImageImport extends AbstractImageImporter {

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

	/** 

	 * Imports images from a directory.

	 */

	protected boolean invokeImageImport (ImageImportConfigurator config){

		File source = (File)config.getSource();

		UUID treeUuid = config.getTaxonomicTreeUuid();

		TaxonomicTree tree = taxonTreeService.getTaxonomicTreeByUuid(treeUuid);

		ReferenceBase sourceRef = config.getSourceReference();

		if (source.isDirectory()){

			for (File file : source.listFiles() ){

				if (file.isFile()){

					String fileName = file.getName();

					String taxonName = getTaxonName(fileName);

					if (taxonName == null){

						continue;

					}

					List<TaxonBase> taxa = taxonService.searchTaxaByName(taxonName, config.getSourceReference());			

					if(taxa.size() == 0){

						logger.warn("no taxon with this name found: " + taxonName);

					} else {

						handleTaxa(tree, sourceRef, fileName, taxonName, taxa);

					}

				}else{

					logger.warn("File is not a file (but a directory?): " + file.getName());

				}

			}	

		}else{

			logger.warn("Source is not a directory!" + source.toString());

		}

		return true;

	}

	private String getTaxonName(String fileName){

		String[] fileNameParts = fileName.split("\\.");

		if (fileNameParts.length < 2){

			logger.warn("No file extension found for: " +  fileName);

			return null;

		}

		String extension = fileNameParts[fileNameParts.length - 1];

		if (! "jpg".equalsIgnoreCase(extension)) { 

			logger.warn("Extension not recognized: " + extension);

			// Sometimes occurs here "Thumbs.db"

			return null;

		}

		String firstPart = fileName.substring(0, fileName.length() - extension.length() - 1);

		logger.info(firstPart);

		String[] nameParts = firstPart.split("_");

		if (nameParts.length < 3){

			logger.warn("name string has less than 2 '_'");

			return null;

		}

		String featureString = nameParts[nameParts.length-2];

		logger.debug("FeatureString: " +  featureString);

		String detailString = nameParts[nameParts.length-1];

		logger.debug("detailString: " +  detailString);

		String taxonName = "";

		for (int i= 0; i < nameParts.length-2; i++){

			taxonName += nameParts[i] + " ";

		}

		taxonName = taxonName.trim();

		logger.info("Taxon name: " +  taxonName);

		String _s_ = " s ";

		String subsp = " subsp. ";

		if (taxonName.contains(_s_)) {

			taxonName = taxonName.replace(_s_, subsp);

			logger.info("Taxon name: " +  taxonName);

		}

		return taxonName;

	}

	/**

	 * @param tree

	 * @param sourceRef

	 * @param name

	 * @param taxonName

	 * @param taxa

	 * @param taxon

	 */

	private void handleTaxa(TaxonomicTree tree, ReferenceBase sourceRef, String fileName, String taxonName, List<TaxonBase> taxa) {

		Taxon taxon = getTaxon(tree, taxonName, taxa);

		TaxonDescription imageGallery = taxon.getOrCreateImageGallery(sourceRef == null ? null :sourceRef.getTitleCache());

		TextData textData = imageGallery.getOrCreateImageTextData();

		logger.info("Importing image for taxon: " + taxa);

		try {

			Media media = getMedia(fileName, taxonName);

			textData.addMedia(media);

		} catch (MalformedURLException e) {

			logger.error("Malformed URL", e);

		} catch (IOException e) {

			logger.error("IOException when handling image url");

		}

	}

	/**

	 * @param fileName

	 * @param taxonName 

	 * @return

	 * @throws MalformedURLException

	 * @throws IOException 

	 */

	private Media getMedia(String fileName, String taxonName) throws MalformedURLException, IOException {

		String urlPrefix = "http://media.bgbm.org/erez/erez?src=EditWP6/photos/";

		String urlString = urlPrefix + fileName;

		logger.info(urlString);

		URL url = new URL(urlString);

		URI uri = CdmUtils.string2Uri(urlString);

		ImageMetaData imageMetaData =ImageMetaData.newInstance();

		imageMetaData.readImageInfo(uri, 0);

		//String uri = url.toString();

		String uriString = url.toString();

		String mimeType = imageMetaData.getMimeType();

		String suffix = null;

		int height = imageMetaData.getHeight();

		int width = imageMetaData.getWidth();

		Integer size = null;

		DateTime mediaCreated = null;

		AgentBase artist = null;

		ImageFile image = ImageFile.NewInstance(uriString, size, height, width);

		Media media = ImageFile.NewMediaInstance(mediaCreated, artist, uriString, mimeType, suffix, size, height, width);

		media.addTitle(LanguageString.NewInstance(taxonName, Language.LATIN()));

		return media;

	}

	/**

	 * @param tree

	 * @param taxonName

	 * @param taxa

	 * @return

	 */

	private Taxon getTaxon(TaxonomicTree tree, String taxonName,

			List<TaxonBase> taxa) {

		Taxon taxon = null;

		if(taxa.size() > 1) {

			if (logger.isDebugEnabled()) {

				logger.debug("multiple taxa with this name found: " + taxonName);

			}

			for (TaxonBase taxonBase : taxa) {

				Taxon tax = (Taxon)taxonBase;

				if (tree.isTaxonInTree(tax)) {

					taxon = tax;

					break;

				}

			}

			if (taxon == null){

				taxon = (Taxon)taxa.get(0);

				logger.warn("Taxon not found in preferred tree. Use " + taxon.getTitleCache() + " instead.");

			}

		} else {

			taxon = (Taxon) taxa.get(0);

		}

		if (taxon != null){

			taxonService.saveOrUpdate(taxon);

		}else{

			logger.warn("Taxon was null. Did not save taxon");

		}

		return taxon;

	}

}