Example usage for org.apache.commons.rdf.api IRI getIRIString

List of usage examples for org.apache.commons.rdf.api IRI getIRIString

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Introduction

In this page you can find the example usage for org.apache.commons.rdf.api IRI getIRIString.

Prototype

String getIRIString();

Source Link

Document

Return the IRI encoded as a native Unicode String.
The returned string must not include URL-encoding to escape non-ASCII characters.

Usage

From source file:org.trellisldp.rosid.file.CachedResource.java

/**
 * Write the resource data into a file as JSON
 * @param directory the directory//from  w  ww.j  av a2 s . co m
 * @param identifier the resource identifier
 * @param time the time
 * @return true if the write operation succeeds
 */
public static Boolean write(final File directory, final IRI identifier, final Instant time) {

    if (isNull(directory)) {
        return false;
    }

    // Write the JSON file
    LOGGER.debug("Writing JSON cache for {}", identifier.getIRIString());
    final Optional<ResourceData> data = VersionedResource.read(directory, identifier, time);
    try {
        if (data.isPresent()) {
            MAPPER.writeValue(new File(directory, RESOURCE_CACHE), data.get());
        } else {
            LOGGER.error("No resource data to cache for {}", identifier.getIRIString());
            return false;
        }
    } catch (final IOException ex) {
        LOGGER.error("Error writing resource metadata cache for {}: {}", identifier.getIRIString(),
                ex.getMessage());
        return false;
    }

    // Write the quads
    LOGGER.debug("Writing NQuads cache for {}", identifier.getIRIString());
    try (final BufferedWriter writer = newBufferedWriter(new File(directory, RESOURCE_QUADS).toPath(), UTF_8,
            CREATE, WRITE, TRUNCATE_EXISTING)) {
        final File file = new File(directory, RESOURCE_JOURNAL);
        final Iterator<String> lineIter = RDFPatch.asStream(rdf, file, identifier, time)
                .map(RDFPatch.quadToString).iterator();
        while (lineIter.hasNext()) {
            writer.write(lineIter.next() + lineSeparator());
        }
    } catch (final IOException ex) {
        LOGGER.error("Error writing resource cache for {}: {}", identifier.getIRIString(), ex.getMessage());
        return false;
    }

    return true;
}

From source file:org.trellisldp.rosid.file.FileResourceService.java

private void init() throws IOException {
    for (final Map.Entry<String, String> storage : partitions.entrySet()) {
        final File data = storage.getValue().startsWith("file:") ? new File(create(storage.getValue()))
                : new File(storage.getValue());
        LOGGER.info("Using resource data directory for '{}': {}", storage.getKey(), data.getAbsolutePath());
        if (!data.exists()) {
            data.mkdirs();/*from  ww  w. ja v a 2  s  .  co  m*/
        }
        if (!data.canWrite()) {
            throw new IOException("Cannot write to " + data.getAbsolutePath());
        }
        final IRI identifier = rdf.createIRI(TRELLIS_PREFIX + storage.getKey());
        final IRI authIdentifier = rdf.createIRI(TRELLIS_PREFIX + storage.getKey() + "#auth");
        final File root = resourceDirectory(partitions, identifier);
        final File rootData = new File(root, RESOURCE_JOURNAL);

        if (!root.exists() || !rootData.exists()) {
            LOGGER.info("Initializing root container for '{}'", identifier.getIRIString());
            root.mkdirs();
            final Instant time = now();
            final IRI skolem = (IRI) skolemize(rdf.createBlankNode());
            final Stream<Quad> quads = of(
                    rdf.createQuad(Trellis.PreferServerManaged, identifier, RDF.type, LDP.Container),
                    rdf.createQuad(Trellis.PreferAccessControl, authIdentifier, RDF.type, ACL.Authorization),
                    rdf.createQuad(Trellis.PreferAccessControl, authIdentifier, ACL.mode, ACL.Read),
                    rdf.createQuad(Trellis.PreferAccessControl, authIdentifier, ACL.mode, ACL.Write),
                    rdf.createQuad(Trellis.PreferAccessControl, authIdentifier, ACL.mode, ACL.Control),
                    rdf.createQuad(Trellis.PreferAccessControl, authIdentifier, ACL.accessTo, identifier),
                    rdf.createQuad(Trellis.PreferAccessControl, authIdentifier, ACL.agentClass, FOAF.Agent),
                    rdf.createQuad(Trellis.PreferAudit, identifier, PROV.wasGeneratedBy, skolem),
                    rdf.createQuad(Trellis.PreferAudit, skolem, RDF.type, PROV.Activity),
                    rdf.createQuad(Trellis.PreferAudit, skolem, RDF.type, AS.Create),
                    rdf.createQuad(Trellis.PreferAudit, skolem, PROV.wasAssociatedWith,
                            Trellis.RepositoryAdministrator),
                    rdf.createQuad(Trellis.PreferAudit, skolem, PROV.generatedAtTime,
                            rdf.createLiteral(time.toString(), XSD.dateTime)));
            RDFPatch.write(rootData, empty(), quads, now());
            CachedResource.write(root, identifier);
        }
    }
}

From source file:org.trellisldp.rosid.file.FileUtils.java

/**
 * Partition an identifier into a directory structure
 * @param identifier the identifier/*from   w ww .  j a va2 s  . c  om*/
 * @return a string usable as a directory path
 */
public static String partition(final IRI identifier) {
    return partition(identifier.getIRIString());
}

From source file:org.trellisldp.rosid.file.FileUtils.java

/**
 * Get the resource directory for a given identifier
 * @param config the configuration//from   ww w. j  a v a  2s  .  com
 * @param identifier the identifier
 * @return the file
 */
public static File resourceDirectory(final Map<String, String> config, final IRI identifier) {
    return resourceDirectory(config, identifier.getIRIString());
}

From source file:org.trellisldp.rosid.file.VersionedResource.java

/**
 * Create a File-based versioned resource
 * @param directory the directory/*  ww w .  ja  va 2  s  .  c o  m*/
 * @param identifier the resource identifier
 * @param data the resource data
 * @param time the time
 */
protected VersionedResource(final File directory, final IRI identifier, final ResourceData data,
        final Instant time) {
    super(directory, identifier, data);
    this.time = time;
    LOGGER.debug("Creating a Versioned Resource for {}", identifier.getIRIString());
}

From source file:org.trellisldp.spi.RDFUtils.java

/**
 * Clean the identifier/*  w  ww  . j av a  2s.  co m*/
 * @param identifier the identifier
 * @return the cleaned identifier
 */
public static IRI cleanIdentifier(final IRI identifier) {
    return rdf.createIRI(cleanIdentifier(identifier.getIRIString()));
}

From source file:org.trellisldp.test.TestUtils.java

/**
 * Test if the given ldp:constrainedBy link is present.
 * @param iri the IRI/*from  w ww  .  ja v  a  2 s.  c  o m*/
 * @return true if present; false otherwise
 */
public static Predicate<Link> hasConstrainedBy(final IRI iri) {
    return link -> LDP.constrainedBy.getIRIString().equals(link.getRel())
            && iri.getIRIString().equals(link.getUri().toString());
}

From source file:org.trellisldp.test.TestUtils.java

/**
 * Test if the given type link is present.
 * @param iri the IRI/*from www . ja  v a 2s .co  m*/
 * @return true if present; false otherwise
 */
public static Predicate<Link> hasType(final IRI iri) {
    return link -> "type".equals(link.getRel()) && iri.getIRIString().equals(link.getUri().toString());
}

From source file:org.trellisldp.triplestore.TriplestoreResourceService.java

private Node getAclIRI(final IRI identifier) {
    return createURI(identifier.getIRIString() + "?ext=acl");
}

From source file:org.trellisldp.triplestore.TriplestoreResourceService.java

private Node getAuditIRI(final IRI identifier) {
    return createURI(identifier.getIRIString() + "?ext=audit");
}