Methods' Details |
setStatementRDFa
- Description
- update the RDFa statement(s) that correspond to an ODF element in the
repository.
This method will do the following steps:
- Remove all previously set RDFa statements for the Object parameter
from the repository
- If the RDFaContent parameter is the empty
string ,
for every Predicate in the given list of Predicates,
add the following RDF statement to an unspecified named graph:
Subject Predicate
XLiteral(Object->getText()^^RDFaDatatype)
- If the RDFaContent parameter is not the empty
string ,
for every Predicate in the given list of Predicates,
add the following RDF statement to an unspecified named graph:
-
Subject Predicate XLiteral(RDFaContent^^RDFaDatatype)
RDFa statements are handled specially because they are not logically
part of any named graph in the repository.
Also, they have rather unusual semantics;
just using XNamedGraph::addStatement would be
ambiguous:
if the object is a XMetadatable, do we insert
the object itself (URI) or its literal content (RDFa)?
- Parameter Subject
- the subject of the RDF triple(s).
- Parameter Predicates
- the predicates of the RDF triple(s).
- Parameter Object
- the object of the RDF triple(s) is the text content of this
parameter.
- Parameter RDFaContent
- the
rdfa:content attribute (may be the empty
string ).
- Parameter RDFaDatatype
- the
rdfa:datatype attribute (may be NULL)
- Throws
- com::sun::star::lang::IllegalArgumentException
if any parameter is NULL, Predicates is empty,
or Object is of a type that can not have RDFa metadata attached.
- Throws
- RepositoryException
if an error occurs when accessing the repository.
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removeStatementRDFa
- Description
- remove the RDFa statement(s) that correspond to an ODF element from the
repository.
RDFa statements are handled specially because they are not logically
part of any graph.
- Parameter Element
- the element whose RDFa statement(s) should be removed
- Throws
- com::sun::star::lang::IllegalArgumentException
if the given Element is NULL, or of a type that can not have
RDFa metadata attached.
- Throws
- RepositoryException
if an error occurs when accessing the repository.
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getStatementRDFa
- Description
- find the RDFa statement(s) associated with an ODF element.
- Parameter Element
- the ODF element for which RDFa statements should be found
- Returns
- if the element has no RDFa meta-data attributes:
the empty sequence.
- if the element has RDFa meta-data attributes:
- a sequence with the RDFa-statements corresponding to the
attributes.
- a flag indicating whether there is a xhtml:content
attribute.
- Throws
- com::sun::star::lang::IllegalArgumentException
if the given Element is NULL, or of a type that can not have
RDFa metadata attached.
- Throws
- RepositoryException
if an error occurs when accessing the repository.
- See also
- Statement
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getStatementsRDFa
- Description
- gets matching RDFa statements from the repository.
This method exists because RDFa statements are not part of any named
graph, and thus they cannot be enumerated with
XNamedGraph::getStatements.
Any parameter may be NULL, which acts as a wildcard.
For example, to get all statements about myURI:
getStatementsRDFa(myURI, null, null)
- Parameter Subject
- the subject of the RDF triple.
- Parameter Predicate
- the predicate of the RDF triple.
- Parameter Object
- the object of the RDF triple.
- Returns
- an iterator over all RDFa statements in the repository that match
the parameters, represented as an
enumeration of Statement
- Throws
- RepositoryException
if an error occurs when accessing the repository.
- See also
- Statement, XRepository::getStatements, XNamedGraph::getStatements
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