Examples with MediaObjectMetadataDescriptor org.vitrivr.cineast.core.data.entities.MediaObjectMetadataDescriptor used on opensource projects

Example 11 with MediaObjectMetadataDescriptor

use of org.vitrivr.cineast.core.data.entities.MediaObjectMetadataDescriptor in project cineast by vitrivr.

the class JsonMetaDataExtractor method extract.

@Override
public List<MediaObjectMetadataDescriptor> extract(String objectId, Path path) {
    File file = path.toFile();
    File parent = file.getParentFile();
    File jsonFile = new File(parent, file.getName() + ".json");
    if (!jsonFile.exists()) {
        jsonFile = new File(parent, com.google.common.io.Files.getNameWithoutExtension(file.getName()) + ".json");
    }
    if (!jsonFile.exists()) {
        return new ArrayList<>(0);
    }
    @SuppressWarnings("unchecked") Map<String, Object> json = jsonProvider.toObject(jsonFile, Map.class);
    if (json == null || json.isEmpty()) {
        return new ArrayList<>(0);
    }
    ArrayList<MediaObjectMetadataDescriptor> _return = new ArrayList<>(json.size());
    Set<String> keys = json.keySet();
    for (String key : keys) {
        _return.add(MediaObjectMetadataDescriptor.of(objectId, domain(), key, json.get(key)));
    }
    return _return;
}