Module org.apache.jena.arq
Package org.apache.jena.riot.system

Class RiotLib

java.lang.Object
org.apache.jena.riot.system.RiotLib
public class RiotLib extends Object
Misc RIOT code

  • Field Details

    • fixupPrefixes

      public static final Function<String,String> fixupPrefixes
      Function applied to undefined prefixes to convert to a URI string

    • testFixupedPrefixURI

      public static final Predicate<String> testFixupedPrefixURI
      Function to test for undefined prefix URIs

  • Constructor Details

    • RiotLib

      public RiotLib()

  • Method Details

    • blankNodeToIri

      public static Node blankNodeToIri(Node node)
      "Skolemize" to a node. Returns a Node_URI.

    • blankNodeToIriString

      public static String blankNodeToIriString(Node node)
      "Skolemize" to a string.

    • fromIRIorBNode

      public static Node fromIRIorBNode(Node node)
      Convert an ARQ-encoded blank node URI to a blank node, otherwise return the argument node unchanged.

    • createIRIorBNode

      public static Node createIRIorBNode(String str)
      Implement <_:....> as a "Node IRI" that is, use the given label as the BNode internal label. Use with care. Returns a Node_URI.

    • isBNodeIRI

      public static boolean isBNodeIRI(String iri)
      Test whether a IRI is an ARQ-encoded blank node.

    • isBNodeIRI

      public static boolean isBNodeIRI(Node node)
      Test whether a node is an ARQ-encoded blank node IRI.

    • isPrefixIRI

      public static boolean isPrefixIRI(String iri)
      Test whether a IRI is an ARQ-encoded blank node.

    • fixupPrefixIRI

      public static String fixupPrefixIRI(String prefix, String localPart)
      Convert an prefix name (qname) to an IRI, for when the prefix is not defined.
      See Also:

    • fixupPrefixIRI

      public static String fixupPrefixIRI(String prefixedName)
      Convert an prefix name (qname) to an IRI, for when the prefix is not defined.
      See Also:

    • parse

      public static Node parse(String string)
      Parse a string to get one Node (the first token in the string)

    • profile

      public static ParserProfile profile(Lang lang, String baseIRI, ErrorHandler handler)

    • factoryRDF

      public static FactoryRDF factoryRDF(LabelToNode labelMapping)
      Create a new (not influenced by anything else) FactoryRDF using the label to blank node scheme provided.

    • factoryRDF

      public static FactoryRDF factoryRDF()
      Create a new (not influenced by anything else) FactoryRDF using the default label to blank node scheme.

    • dftProfile

      public static ParserProfile dftProfile()
      Create a ParserProfile with default settings.

    • createParserProfile

      public static ParserProfile createParserProfile(FactoryRDF factory, ErrorHandler errorHandler, boolean checking)
      Create a ParserProfile with default settings, and a specific error handler.

    • createParserProfile

      public static ParserProfile createParserProfile(FactoryRDF factory, ErrorHandler errorHandler, IRIxResolver resolver, boolean checking)
      Create a ParserProfile.

    • triplesOfSubject

      public static Collection<Triple> triplesOfSubject(Graph graph, Node subj)
      Get triples with the same subject

    • triples

      public static List<Triple> triples(Graph graph, Node s, Node p, Node o)
      Get all the triples for the graph.find

    • countTriples

      public static long countTriples(Graph graph, Node s, Node p, Node o)

    • countTriples

      public static long countTriples(DatasetGraph dsg, Node s, Node p, Node o)

    • accTriples

      public static void accTriples(Collection<Triple> acc, Graph graph, Node s, Node p, Node o)
      Collect all the matching triples

    • writeBase

      public static void writeBase(org.apache.jena.atlas.io.IndentedWriter out, String base, boolean newStyle)

    • writePrefixes

      public static void writePrefixes(org.apache.jena.atlas.io.IndentedWriter out, PrefixMap prefixMap, boolean newStyle)
      Write prefixes

    • writePrefix

      public static void writePrefix(org.apache.jena.atlas.io.IndentedWriter out, String prefix, String uri, boolean newStyle)
      Write a prefix. Write using @prefix or PREFIX.

    • prefixMap

      @Deprecated public static PrefixMap prefixMap(DatasetGraph dsg)
      Deprecated.
      Use DatasetGraph.prefixes()

    • create

      public static org.apache.jena.atlas.io.IndentedWriter create(Writer writer)
      IndentedWriter over a java.io.Writer (better to use an IndentedWriter over an OutputStream)

    • prefixMap

      @Deprecated public static PrefixMap prefixMap(Graph graph)
      Deprecated.
      Use Prefixes.adapt(PrefixMapping)

    • adapter

      public static WriterGraphRIOTBase adapter(WriterDatasetRIOT writer)