Example usage for java.io File.Builder File.Builder

Introduction

In this page you can find the example usage for java.io File.Builder File.Builder.

Prototype

File.Builder

Source Link

Usage

From source file:eu.scape_project.service.ConnectorService.java

/**
 * Retrieve a {@link File} from Fedora//from   www  .  j  a  v  a2  s .  co  m
 * 
 * @param session
 *            the {@link Session} to use for the operation
 * @param fileUri
 *            the {@link File}'s URI
 * @return the {@link File} object as saved in Fedora
 * @throws RepositoryException
 *             if an error ocurred while retrieving the {@link File} from
 *             Fedora
 */
public File fetchFile(final Session session, final String fileUri) throws RepositoryException {
    final File.Builder f = new File.Builder();
    final FedoraObject fileObject = this.objectService.getObject(session, fileUri);
    final IdentifierTranslator subjects = new DefaultIdentifierTranslator();
    final Model fileModel = SerializationUtils.unifyDatasetModel(fileObject.getPropertiesDataset(subjects));
    final Resource parent = fileModel.createResource(subjects.getSubject(fileObject.getPath()).getURI());

    /* fetch and add the properties and metadata from the repo */
    f.technical(fetchMetadata(session, fileUri + "/TECHNICAL"));
    String fileId = fileUri.substring(fileUri.lastIndexOf('/') + 1);
    f.identifier(new Identifier(fileId));
    f.filename(getFirstLiteralString(fileModel, parent, HAS_FILENAME));
    f.mimetype(getFirstLiteralString(fileModel, parent, HAS_MIMETYPE));
    String[] ids = fileUri.split("/");
    if (this.referencedContent) {
        f.uri(URI.create(getFirstLiteralString(fileModel, parent, HAS_REFERENCED_CONTENT)));
    } else {
        f.uri(URI.create(fedoraUrl + "/scape/file/" + ids[ids.length - 4] + "/" + ids[ids.length - 2] + "/"
                + ids[ids.length - 1]));
    }
    /* discover all the Bistreams and add them to the file */
    final List<BitStream> streams = new ArrayList<>();
    for (String bsUri : getLiteralStrings(fileModel, parent, HAS_BITSTREAM)) {
        streams.add(fetchBitStream(session, bsUri.substring(bsUri.indexOf('/'))));
    }
    f.bitStreams(streams);

    return f.build();
}

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