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Merge pull request #183 from georchestra/georchestra/georchestra-gn4-…
…dcat Add the DCAT2 schema plugin
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286
harvesters/src/main/java/org/fao/geonet/kernel/harvest/harvester/simpleUrl/Aligner.java
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| //============================================================================= | ||
| //=== Copyright (C) 2001-2007 Food and Agriculture Organization of the | ||
| //=== United Nations (FAO-UN), United Nations World Food Programme (WFP) | ||
| //=== and United Nations Environment Programme (UNEP) | ||
| //=== | ||
| //=== This program is free software; you can redistribute it and/or modify | ||
| //=== it under the terms of the GNU General Public License as published by | ||
| //=== the Free Software Foundation; either version 2 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 Public License for more details. | ||
| //=== | ||
| //=== You should have received a copy of the GNU General Public License | ||
| //=== along with this program; if not, write to the Free Software | ||
| //=== Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA | ||
| //=== | ||
| //=== Contact: Jeroen Ticheler - FAO - Viale delle Terme di Caracalla 2, | ||
| //=== Rome - Italy. email: [email protected] | ||
| //============================================================================== | ||
|
|
||
| package org.fao.geonet.kernel.harvest.harvester.simpleUrl; | ||
|
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| import jeeves.server.context.ServiceContext; | ||
| import org.fao.geonet.GeonetContext; | ||
| import org.fao.geonet.Logger; | ||
| import org.fao.geonet.constants.Geonet; | ||
| import org.fao.geonet.domain.AbstractMetadata; | ||
| import org.fao.geonet.domain.ISODate; | ||
| import org.fao.geonet.domain.Metadata; | ||
| import org.fao.geonet.domain.MetadataType; | ||
| import org.fao.geonet.exceptions.OperationAbortedEx; | ||
| import org.fao.geonet.kernel.DataManager; | ||
| import org.fao.geonet.kernel.UpdateDatestamp; | ||
| import org.fao.geonet.kernel.datamanager.IMetadataIndexer; | ||
| import org.fao.geonet.kernel.datamanager.IMetadataManager; | ||
| import org.fao.geonet.kernel.datamanager.IMetadataUtils; | ||
| import org.fao.geonet.kernel.harvest.BaseAligner; | ||
| import org.fao.geonet.kernel.harvest.harvester.CategoryMapper; | ||
| import org.fao.geonet.kernel.harvest.harvester.GroupMapper; | ||
| import org.fao.geonet.kernel.harvest.harvester.HarvestError; | ||
| import org.fao.geonet.kernel.harvest.harvester.HarvestResult; | ||
| import org.fao.geonet.kernel.harvest.harvester.UUIDMapper; | ||
| import org.fao.geonet.repository.OperationAllowedRepository; | ||
| import org.jdom.Element; | ||
|
|
||
| import javax.transaction.Transactional; | ||
| import javax.transaction.Transactional.TxType; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.UUID; | ||
| import java.util.concurrent.atomic.AtomicBoolean; | ||
|
|
||
| public class Aligner extends BaseAligner<SimpleUrlParams> { | ||
|
|
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| private ServiceContext context; | ||
| private DataManager dataMan; | ||
| private CategoryMapper localCateg; | ||
| private GroupMapper localGroups; | ||
| private UUIDMapper localUuids; | ||
|
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| private IMetadataUtils metadataUtils; | ||
| private IMetadataManager metadataManager; | ||
| private IMetadataIndexer metadataIndexer; | ||
|
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| private HarvestResult result; | ||
| private Map<String, Object> processParams = new HashMap<String, Object>(); | ||
| private Logger log; | ||
|
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| public Aligner(AtomicBoolean cancelMonitor, ServiceContext sc, SimpleUrlParams params, Logger log) throws OperationAbortedEx { | ||
| super(cancelMonitor); | ||
| this.context = sc; | ||
| this.params = params; | ||
| this.log = log; | ||
|
|
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| GeonetContext gc = (GeonetContext) context.getHandlerContext(Geonet.CONTEXT_NAME); | ||
| dataMan = gc.getBean(DataManager.class); | ||
| metadataUtils = gc.getBean(IMetadataUtils.class); | ||
| metadataManager = gc.getBean(IMetadataManager.class); | ||
| metadataIndexer = gc.getBean(IMetadataIndexer.class); | ||
| result = new HarvestResult(); | ||
| result.unretrievable = 0; | ||
| result.uuidSkipped = 0; | ||
| result.couldNotInsert = 0; | ||
| } | ||
|
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| public HarvestResult align(Map<String, Element> records, Collection<HarvestError> errors) throws Exception { | ||
| if (cancelMonitor.get()) { | ||
| return result; | ||
| } | ||
|
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| log.debug("Start of alignment for : " + params.getName()); | ||
|
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| localCateg = new CategoryMapper(context); | ||
| localGroups = new GroupMapper(context); | ||
| localUuids = new UUIDMapper(context.getBean(IMetadataUtils.class), params.getUuid()); | ||
|
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| insertOrUpdate(records, errors); | ||
| log.debug("End of alignment for : " + params.getName()); | ||
|
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| return result; | ||
| } | ||
|
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| private void insertOrUpdate(Map<String, Element> records, Collection<HarvestError> errors) { | ||
| records.entrySet().forEach(e -> { | ||
| if (cancelMonitor.get()) { | ||
| return; | ||
| } | ||
|
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| try { | ||
| String id = metadataUtils.getMetadataId(e.getKey()); | ||
|
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| if (id == null) { | ||
| //record doesn't exist (so it doesn't belong to this harvester) | ||
| log.debug("Adding record with uuid " + e.getKey()); | ||
| addMetadata(e, null); | ||
| } else if (localUuids.getID(e.getKey()) == null) { | ||
| //Record does not belong to this harvester | ||
| result.datasetUuidExist++; | ||
|
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| switch (params.getOverrideUuid()) { | ||
| case OVERRIDE: | ||
| updateMetadata(e, Integer.toString(metadataUtils.findOneByUuid(e.getKey()).getId()), true); | ||
| log.debug("Overriding record with uuid " + e.getKey()); | ||
| result.updatedMetadata++; | ||
| break; | ||
| case RANDOM: | ||
| log.debug("Generating random uuid for remote record with uuid " + e.getKey()); | ||
| addMetadata(e, UUID.randomUUID().toString()); | ||
| break; | ||
| case SKIP: | ||
| log.debug("Skipping record with uuid " + e.getKey()); | ||
| result.uuidSkipped++; | ||
| default: | ||
| break; | ||
| } | ||
| } else { | ||
| //record exists and belongs to this harvester | ||
| updateMetadata(e, id, false); | ||
| if (params.isIfRecordExistAppendPrivileges()) { | ||
| addPrivileges(id, params.getPrivileges(), localGroups, context); | ||
| result.privilegesAppendedOnExistingRecord++; | ||
| } | ||
|
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| } | ||
| result.totalMetadata++; | ||
| } catch (Throwable t) { | ||
| errors.add(new HarvestError(this.context, t)); | ||
| log.error("Unable to process record from csw (" + this.params.getName() + ")"); | ||
| log.error(" Record failed: " + e.getKey() + ". Error is: " + t.getMessage()); | ||
| log.error(t); | ||
| } finally { | ||
| result.originalMetadata++; | ||
| } | ||
| }); | ||
| } | ||
|
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| /** | ||
| * Remove records no longer on the remote CSW server | ||
| * | ||
| * @param records | ||
| * @throws Exception | ||
| */ | ||
| @Transactional(value = TxType.REQUIRES_NEW) | ||
| public HarvestResult cleanupRemovedRecords(Set<String> records) throws Exception { | ||
|
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| if (cancelMonitor.get()) { | ||
| return result; | ||
| } | ||
|
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| for (String uuid : localUuids.getUUIDs()) { | ||
| if (!records.contains(uuid)) { | ||
| String id = localUuids.getID(uuid); | ||
| log.debug(" - Removing old metadata with local id:" + id); | ||
| metadataManager.deleteMetadata(context, id); | ||
| result.locallyRemoved++; | ||
| } | ||
| } | ||
| dataMan.forceIndexChanges(); | ||
|
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| return result; | ||
| } | ||
|
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|
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| private void addMetadata(Map.Entry<String, Element> record, String overrideUuidValue) throws Exception { | ||
| if (cancelMonitor.get()) { | ||
| return; | ||
| } | ||
|
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| Element xml = record.getValue(); | ||
| if (xml == null) { | ||
| result.unretrievable++; | ||
| return; | ||
| } | ||
|
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| String schema = dataMan.autodetectSchema(xml, null); | ||
| if (schema == null) { | ||
| log.debug(" - Metadata skipped due to unknown schema. uuid:" + record.getKey()); | ||
| result.unknownSchema++; | ||
| return; | ||
| } | ||
|
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| String uuid = record.getKey(); | ||
| if (overrideUuidValue != null) { | ||
| log.debug(String.format(" - Overriding UUID %s by %s", record.getKey(), overrideUuidValue)); | ||
| uuid = overrideUuidValue; | ||
| xml = dataMan.setUUID(schema, uuid, record.getValue()); | ||
| } | ||
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| log.debug(" - Adding metadata with uuid:" + uuid + " schema:" + schema); | ||
|
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| final String dateModified = dataMan.extractDateModified(schema, xml); | ||
|
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| AbstractMetadata metadata = new Metadata(); | ||
| metadata.setUuid(uuid); | ||
| Integer ownerId = getOwner(); | ||
| metadata.getDataInfo(). | ||
| setSchemaId(schema). | ||
| setRoot(xml.getQualifiedName()). | ||
| setType(MetadataType.METADATA). | ||
| setChangeDate(new ISODate(dateModified)). | ||
| setCreateDate(new ISODate(dateModified)); | ||
| metadata.getSourceInfo(). | ||
| setSourceId(params.getUuid()). | ||
| setOwner(ownerId). | ||
| setGroupOwner(getGroupOwner()); | ||
| metadata.getHarvestInfo(). | ||
| setHarvested(true). | ||
| setUuid(params.getUuid()); | ||
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| metadata.getSourceInfo().setGroupOwner(getGroupOwner()); | ||
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| addCategories(metadata, params.getCategories(), localCateg, context, null, false); | ||
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| metadata = metadataManager.insertMetadata(context, metadata, xml, false, false, UpdateDatestamp.NO, false, false); | ||
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| String id = String.valueOf(metadata.getId()); | ||
|
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| addPrivileges(id, params.getPrivileges(), localGroups, context); | ||
|
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| metadataIndexer.indexMetadata(id, true); | ||
| result.addedMetadata++; | ||
| } | ||
|
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|
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| @Transactional(value = TxType.REQUIRES_NEW) | ||
| boolean updateMetadata(Map.Entry<String, Element> ri, String id, Boolean force) throws Exception { | ||
| Element md = ri.getValue(); | ||
| if (md == null) { | ||
| result.unchangedMetadata++; | ||
| return false; | ||
| } | ||
|
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| boolean validate = false; | ||
| boolean ufo = false; | ||
| boolean index = false; | ||
| String language = context.getLanguage(); | ||
| String schema = dataMan.autodetectSchema(md, null); | ||
| final String dateModified = dataMan.extractDateModified(schema, ri.getValue()); | ||
|
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| final AbstractMetadata metadata = metadataManager.updateMetadata(context, id, md, validate, ufo, index, language, dateModified, true); | ||
|
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| if (force) { | ||
| //change ownership of metadata to new harvester | ||
| metadata.getHarvestInfo().setUuid(params.getUuid()); | ||
| metadata.getSourceInfo().setSourceId(params.getUuid()); | ||
|
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| metadataManager.save((Metadata) metadata); | ||
| } | ||
|
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| OperationAllowedRepository repository = context.getBean(OperationAllowedRepository.class); | ||
| repository.deleteAllByMetadataId(Integer.parseInt(id)); | ||
|
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| addPrivileges(id, params.getPrivileges(), localGroups, context); | ||
|
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| metadata.getCategories().clear(); | ||
| addCategories(metadata, params.getCategories(), localCateg, context, null, true); | ||
| result.updatedMetadata++; | ||
| return true; | ||
| } | ||
| } |
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