Revision 036b973d
Added by Andreas Kohlbecker almost 4 years ago
| cdmlib-services/src/main/java/eu/etaxonomy/cdm/api/service/MediaServiceImpl.java | ||
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package eu.etaxonomy.cdm.api.service; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Set; |
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import java.util.UUID; |
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import java.util.stream.Collectors; |
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import org.apache.http.HttpException; |
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import org.springframework.beans.factory.annotation.Autowired; |
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import org.springframework.stereotype.Service; |
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import org.springframework.transaction.annotation.Transactional; |
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import eu.etaxonomy.cdm.api.service.exception.ReferencedObjectUndeletableException; |
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import eu.etaxonomy.cdm.api.service.pager.Pager; |
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import eu.etaxonomy.cdm.api.service.pager.impl.DefaultPagerImpl; |
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import eu.etaxonomy.cdm.common.media.ImageInfo; |
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import eu.etaxonomy.cdm.common.monitor.IProgressMonitor; |
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import eu.etaxonomy.cdm.hibernate.HibernateProxyHelper; |
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import eu.etaxonomy.cdm.model.common.CdmBase; |
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import eu.etaxonomy.cdm.model.location.NamedArea; |
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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.media.Rights; |
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import eu.etaxonomy.cdm.model.metadata.CdmPreference; |
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import eu.etaxonomy.cdm.model.metadata.PreferencePredicate; |
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import eu.etaxonomy.cdm.model.metadata.PreferenceSubject; |
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import eu.etaxonomy.cdm.model.name.TaxonName; |
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import eu.etaxonomy.cdm.model.occurrence.MediaSpecimen; |
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import eu.etaxonomy.cdm.model.occurrence.SpecimenOrObservationBase; |
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@Transactional(readOnly=true) |
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public class MediaServiceImpl extends IdentifiableServiceBase<Media,IMediaDao> implements IMediaService {
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public static final Integer IMAGE_READ_TIMEOUT = 3000; |
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@Override |
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@Autowired |
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protected void setDao(IMediaDao dao) {
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private ITaxonService taxonService; |
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@Autowired |
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private INameService nameService; |
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@Autowired |
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private IPreferenceService prefsService; |
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@Override |
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return result; |
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} |
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/** |
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* Reads the metadata as stored in the file or web resource and filters the data by the include and exclude lists of key names |
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* as stored in the data base properties {@link PreferencePredicate#MediaMetadataKeynameExcludes} and {@link PreferencePredicate#MediaMetadataKeynameExcludes}
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* <p> |
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* Metadata of multiple parts is merged into one common metadata map whereas the later part being read may overwrite data from previous parts. |
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* The consequences of this can be neglected since we don't expect that multiple parts are actually being used. |
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* |
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* @param represenatation |
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* @return |
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* @throws IOException |
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* @throws HttpException |
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*/ |
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public Map<String, String> readResourceMetadataFiltered(MediaRepresentation represenatation) throws IOException, HttpException {
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List<String> includes = mediaMetadataKeyIncludes(); |
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List<String> excludes = mediaMetadataKeyExludes(); |
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Map<String, String> metadata = new HashMap<>(); |
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for(MediaRepresentationPart part : represenatation.getParts()) {
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ImageInfo iInfo = ImageInfo.NewInstance(part.getUri(), IMAGE_READ_TIMEOUT); |
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metadata.putAll(iInfo.getMetaData()); |
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} |
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if(!includes.isEmpty()) {
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metadata = metadata.entrySet() |
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.stream() |
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.filter( e -> containsCaseInsensitive(e.getKey(), includes)) |
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)); |
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} |
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if(!excludes.isEmpty()) {
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metadata = metadata.entrySet() |
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.stream() |
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.filter( e -> !containsCaseInsensitive(e.getKey(), excludes)) |
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.collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue)); |
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} |
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if(metadata == null) {
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metadata = new HashMap<>(0); |
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} |
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return metadata; |
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} |
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private boolean containsCaseInsensitive(String s, List<String> l){
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return l.stream().anyMatch(x -> x.equalsIgnoreCase(s)); |
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} |
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protected List<String> mediaMetadataKeyExludes(){
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CdmPreference pref = prefsService.find(CdmPreference.NewKey(PreferenceSubject.NewDatabaseInstance(), PreferencePredicate.MediaMetadataKeynameExcludes)); |
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return pref.splitStringListValue(); |
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} |
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protected List<String> mediaMetadataKeyIncludes(){
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CdmPreference pref = prefsService.find(CdmPreference.NewKey(PreferenceSubject.NewDatabaseInstance(), PreferencePredicate.MediaMetadataKeynameIncludes)); |
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return pref.splitStringListValue(); |
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} |
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} |
Also available in: Unified diff
ref #9146 media metadata service method with cdm property based include and exclude filter definitions