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

Introduction

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

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

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

@Override
public Stream<IRI> tryPurge(final IRI identifier) {
    final List<IRI> binaries = new ArrayList<>();
    final File directory = resourceDirectory(partitions, identifier);

    try (final Stream<String> lineStream = lines(new File(directory, RESOURCE_JOURNAL).toPath())) {
        lineStream.flatMap(line -> {/*ww  w . j av a 2s. co  m*/
            final String[] parts = line.split(" ", 6);
            if (parts.length == 6 && parts[0].equals("A") && parts[1].equals(identifier.toString())
                    && parts[2].equals(DC.hasPart.toString())
                    && parts[4].equals(Trellis.PreferServerManaged.toString())) {
                return of(parts[3]);
            }
            return empty();
        }).map(iri -> iri.substring(1, iri.length() - 1)).map(rdf::createIRI).forEach(binaries::add);
    } catch (final IOException ex) {
        LOGGER.error("Error processing journal file: {}", ex.getMessage());
        throw new UncheckedIOException(ex);
    }

    try {
        deleteIfExists(new File(directory, RESOURCE_CACHE).toPath());
        deleteIfExists(new File(directory, RESOURCE_QUADS).toPath());
        // Truncate history file, rather than actually deleting it
        try (final BufferedWriter writer = newBufferedWriter(new File(directory, RESOURCE_JOURNAL).toPath(),
                UTF_8, WRITE, TRUNCATE_EXISTING)) {
            writer.write("");
        }
    } catch (final IOException ex) {
        LOGGER.error("Error deleting files: {}", ex.getMessage());
        throw new UncheckedIOException(ex);
    }

    return binaries.stream();
}

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