Package org.apache.jena.riot.system

Class RiotLib

java.lang.Object

org.apache.jena.riot.system.RiotLib

public class RiotLib
extends java.lang.Object

Misc RIOT code

Field Summary

Fields

Modifier and Type	Field	Description
static java.util.function.Function<java.lang.String,java.lang.String>	fixupPrefixes	Function applied to undefined prefixes to convert to a URI string
static java.util.function.Predicate<java.lang.String>	testFixupedPrefixURI	Function to test for undefined prefix URIs

Constructor Summary

Constructors

Constructor	Description
RiotLib()

Method Summary

Modifier and Type	Method	Description
static void	accTriples(java.util.Collection<Triple> acc, Graph graph, Node s, Node p, Node o)	Collect all the matching triples
static WriterGraphRIOTBase	adapter(WriterDatasetRIOT writer)
static Node	blankNodeToIri(Node node)	"Skolemize" to a node.
static java.lang.String	blankNodeToIriString(Node node)	"Skolemize" to a string.
static long	countTriples(Graph graph, Node s, Node p, Node o)
static long	countTriples(DatasetGraph dsg, Node s, Node p, Node o)
static org.apache.jena.atlas.io.IndentedWriter	create(java.io.Writer writer)	IndentedWriter over a java.io.Writer (better to use an IndentedWriter over an OutputStream)
static Node	createIRIorBNode(java.lang.String str)	Implement <_:....> as a "Node IRI" that is, use the given label as the BNode internal label.
static ParserProfile	createParserProfile(FactoryRDF factory, ErrorHandler errorHandler, boolean checking)	Create a ParserProfile with default settings, and a specific error handler.
static ParserProfile	createParserProfile(FactoryRDF factory, ErrorHandler errorHandler, IRIxResolver resolver, boolean checking)	Create a ParserProfile.
static ParserProfile	dftProfile()	Create a ParserProfile with default settings.
static FactoryRDF	factoryRDF()	Create a new (not influenced by anything else) FactoryRDF using the default label to blank node scheme.
static FactoryRDF	factoryRDF(LabelToNode labelMapping)	Create a new (not influenced by anything else) FactoryRDF using the label to blank node scheme provided.
static java.lang.String	fixupPrefixIRI(java.lang.String prefixedName)	Convert an prefix name (qname) to an IRI, for when the prefix is not defined.
static java.lang.String	fixupPrefixIRI(java.lang.String prefix, java.lang.String localPart)	Convert an prefix name (qname) to an IRI, for when the prerix is nor defined.
static boolean	isBNodeIRI(java.lang.String iri)	Test whether a IRI is a ARQ-encoded blank node.
static boolean	isPrefixIRI(java.lang.String iri)	Test whether a IRI is a ARQ-encoded blank node.
static Node	parse(java.lang.String string)	Parse a string to get one Node (the first token in the string)
static PrefixMap	prefixMap(Graph graph)
static PrefixMap	prefixMap(DatasetGraph dsg)
static ParserProfile	profile(Lang lang, java.lang.String baseIRI, ErrorHandler handler)
static java.util.List<Triple>	triples(Graph graph, Node s, Node p, Node o)	Get all the triples for the graph.find
static java.util.Collection<Triple>	triplesOfSubject(Graph graph, Node subj)	Get triples with the same subject
static void	writeBase(org.apache.jena.atlas.io.IndentedWriter out, java.lang.String base, boolean newStyle)
static void	writePrefix(org.apache.jena.atlas.io.IndentedWriter out, java.lang.String prefix, java.lang.String uri, boolean newStyle)	Write a prefix.
static void	writePrefixes(org.apache.jena.atlas.io.IndentedWriter out, PrefixMap prefixMap, boolean newStyle)	Write prefixes
static void	writePrefixOldStyle(org.apache.jena.atlas.io.IndentedWriter out, java.lang.String prefix, java.lang.String uri, int intent)	Write prefixes, using @prefix

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

fixupPrefixes

public static final java.util.function.Function<java.lang.String,java.lang.String> fixupPrefixes

Function applied to undefined prefixes to convert to a URI string

testFixupedPrefixURI

public static final java.util.function.Predicate<java.lang.String> testFixupedPrefixURI

Function to test for undefined prefix URIs

Constructor Detail

RiotLib

public RiotLib()

Method Detail

blankNodeToIri

public static Node blankNodeToIri(Node node)

"Skolemize" to a node. Returns a Node_URI.

blankNodeToIriString

public static java.lang.String blankNodeToIriString(Node node)

"Skolemize" to a string.

createIRIorBNode

public static Node createIRIorBNode(java.lang.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(java.lang.String iri)

Test whether a IRI is a ARQ-encoded blank node.

isPrefixIRI

public static boolean isPrefixIRI(java.lang.String iri)

Test whether a IRI is a ARQ-encoded blank node.

fixupPrefixIRI

public static java.lang.String fixupPrefixIRI(java.lang.String prefix,
                                              java.lang.String localPart)

Convert an prefix name (qname) to an IRI, for when the prerix is nor defined.

See Also:

ARQ.fixupUndefinedPrefixes

fixupPrefixIRI

public static java.lang.String fixupPrefixIRI(java.lang.String prefixedName)

Convert an prefix name (qname) to an IRI, for when the prefix is not defined.

See Also:

ARQ.fixupUndefinedPrefixes

parse

public static Node parse(java.lang.String string)

Parse a string to get one Node (the first token in the string)

profile

public static ParserProfile profile(Lang lang,
                                    java.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 java.util.Collection<Triple> triplesOfSubject(Graph graph,
                                                            Node subj)

Get triples with the same subject

triples

public static java.util.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(java.util.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,
                             java.lang.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,
                               java.lang.String prefix,
                               java.lang.String uri,
                               boolean newStyle)

Write a prefix. Write using @prefix or PREFIX.

writePrefixOldStyle

public static void writePrefixOldStyle(org.apache.jena.atlas.io.IndentedWriter out,
                                       java.lang.String prefix,
                                       java.lang.String uri,
                                       int intent)

Write prefixes, using @prefix

prefixMap

public static PrefixMap prefixMap(DatasetGraph dsg)

create

public static org.apache.jena.atlas.io.IndentedWriter create(java.io.Writer writer)

IndentedWriter over a java.io.Writer (better to use an IndentedWriter over an OutputStream)

prefixMap

public static PrefixMap prefixMap(Graph graph)

adapter

public static WriterGraphRIOTBase adapter(WriterDatasetRIOT writer)