Java tutorial
package fr.ortolang.diffusion.core.indexing; /* * #%L * ORTOLANG * A online network structure for hosting language resources and tools. * * Jean-Marie Pierrel / ATILF UMR 7118 - CNRS / Universit de Lorraine * Etienne Petitjean / ATILF UMR 7118 - CNRS * Jrme Blanchard / ATILF UMR 7118 - CNRS * Bertrand Gaiffe / ATILF UMR 7118 - CNRS * Cyril Pestel / ATILF UMR 7118 - CNRS * Marie Tonnelier / ATILF UMR 7118 - CNRS * Ulrike Fleury / ATILF UMR 7118 - CNRS * Frdric Pierre / ATILF UMR 7118 - CNRS * Cline Moro / ATILF UMR 7118 - CNRS * * This work is based on work done in the equipex ORTOLANG (http://www.ortolang.fr/), by several Ortolang contributors (mainly CNRTL and SLDR) * ORTOLANG is funded by the French State program "Investissements d'Avenir" ANR-11-EQPX-0032 * %% * Copyright (C) 2013 - 2015 Ortolang Team * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import com.fasterxml.jackson.databind.ObjectMapper; import fr.ortolang.diffusion.OrtolangException; import fr.ortolang.diffusion.OrtolangObjectIdentifier; import fr.ortolang.diffusion.OrtolangServiceLocator; import fr.ortolang.diffusion.core.CoreService; import fr.ortolang.diffusion.core.entity.MetadataFormat; import fr.ortolang.diffusion.core.entity.MetadataObject; import fr.ortolang.diffusion.indexing.IndexingServiceException; import fr.ortolang.diffusion.registry.KeyNotFoundException; import fr.ortolang.diffusion.registry.RegistryService; import fr.ortolang.diffusion.registry.RegistryServiceException; import fr.ortolang.diffusion.store.binary.BinaryStoreService; import fr.ortolang.diffusion.store.binary.BinaryStoreServiceException; import fr.ortolang.diffusion.store.binary.DataNotFoundException; import java.io.IOException; import java.util.Arrays; import java.util.Map; import java.util.logging.Level; import java.util.logging.Logger; import java.util.stream.Stream; public class MetadataObjectIndexableContent extends OrtolangObjectIndexableContent { private static final String[] METADATA_OBJECT_MAPPING; private static final Logger LOGGER = Logger.getLogger(MetadataObjectIndexableContent.class.getName()); private static final String[] UNUSED_KEYS; static { METADATA_OBJECT_MAPPING = Stream.concat(Arrays.stream(ORTOLANG_OBJECT_MAPPING), Arrays.stream(new String[] { "target", "type=keyword", "targetType", "type=keyword", "size", "type=long", "mimeType", "type=string", "content", "type=string", "extraction", "type=object", "format", "type=keyword" })) .toArray(String[]::new); UNUSED_KEYS = new String[] { "PLTE PLTEEntry", "Chroma Palette PaletteEntry", "tRNS tRNS_Palette tRNS_PaletteEntry", "Text TextEntry", "tEXt tEXtEntry", "iTXt iTXtEntry", "xmpMM:DocumentID", "xmpMM:DerivedFrom:DocumentID", "xmpMM:DerivedFrom:InstanceID", "xmpMM:History:Action", "xmpMM:History:When", "xmpMM:History:SoftwareAgent", "Component 1", "Component 2", "Component 3" }; } public MetadataObjectIndexableContent(MetadataObject metadata, MetadataFormat format) throws IndexingServiceException, OrtolangException, KeyNotFoundException, RegistryServiceException { super(metadata, CoreService.SERVICE_NAME, MetadataObject.OBJECT_TYPE); RegistryService registry = (RegistryService) OrtolangServiceLocator.lookup(RegistryService.SERVICE_NAME, RegistryService.class); OrtolangObjectIdentifier objectIdentifier = registry.lookup(metadata.getTarget()); content.put("target", metadata.getTarget()); content.put("targetType", objectIdentifier.getType()); content.put("size", metadata.getSize()); content.put("mimeType", metadata.getContentType()); // if (metadata.getName().startsWith("system-x-")) { if (format != null && format.isIndexable() && metadata.getStream() != null && metadata.getStream().length() > 0) { BinaryStoreService binary = (BinaryStoreService) OrtolangServiceLocator .lookup(BinaryStoreService.SERVICE_NAME, BinaryStoreService.class); ObjectMapper mapper = new ObjectMapper(); try { Map extraction = mapper.readValue(binary.getFile(metadata.getStream()), Map.class); for (String key : UNUSED_KEYS) { extraction.remove(key); } content.put("extraction", extraction); } catch (IOException | BinaryStoreServiceException | DataNotFoundException e) { LOGGER.log(Level.SEVERE, e.getMessage(), e); } } setContent(content); } // @Override // public Object[] getMapping() { // return METADATA_OBJECT_MAPPING; // } }