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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.strategy.cache.media;
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import java.util.Arrays;
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import java.util.List;
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import java.util.UUID;
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import org.apache.log4j.Logger;
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper;
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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.common.MultilanguageTextHelper;
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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.strategy.StrategyBase;
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import eu.etaxonomy.cdm.strategy.cache.common.IIdentifiableEntityCacheStrategy;
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public class MediaDefaultCacheStrategy extends StrategyBase implements IIdentifiableEntityCacheStrategy<Media> {
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private static final long serialVersionUID = 7246846028810250751L;
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protected static final Logger logger = Logger.getLogger(MediaDefaultCacheStrategy.class);
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final static UUID uuid = UUID.fromString("0517ae48-597d-4d6b-9f18-8752d689720d");
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public static MediaDefaultCacheStrategy NewInstance() {
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return new MediaDefaultCacheStrategy();
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}
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@Override
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protected UUID getUuid() {
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return uuid;
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}
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@Override
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public String getTitleCache(Media media) {
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media = HibernateProxyHelper.deproxy(media, Media.class);
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return getTitleCacheByLanguage(media, Language.DEFAULT());
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}
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public String getTitleCacheByLanguage(Media media, Language lang) {
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String result;
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List<Language> languages = Arrays.asList(new Language[]{lang});
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LanguageString languageString = MultilanguageTextHelper.getPreferredLanguageString(media.getAllTitles(), languages);
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result = (languageString != null ? languageString.getText() : "");
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//get first image uri
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if (isBlank(result)){
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for (MediaRepresentation mediaRepresentation : media.getRepresentations()){
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for (MediaRepresentationPart part : mediaRepresentation.getParts()){
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result = (part == null || part.getUri() == null) ? null : part.getUri().toString();
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if (isBlank(result)){
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continue;
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}
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int lastSlashPos = result.lastIndexOf("/");
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if (lastSlashPos != -1 && lastSlashPos + 1 < result.length()){
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result = result.substring(lastSlashPos + 1);
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}
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break;
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}
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if (! isBlank(result)){
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break;
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}
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}
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if (isBlank(result)){
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result = "- empty media - <" + media.getUuid() + ">";
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}
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}
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return result;
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}
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}
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