[CASHeW-s-editor-patches] RDF #04: Added RDF URI object handling and multiple predicate support.

[Andrew John Hughes]

I'm committing the attached patch to continue RDF XML support.
This allows objects to also be URIs as well as literals, and
for one Description element to contain multiple predicates
(thus creating multiple triples).  The result is that examples
3 and 4 from the Primer can now be handled.

Changelog:

2005-04-03  Andrew John Hughes  <address@hidden>

        * src/nongnu/cashews/rdf/Graph.java:
        (Graph()): New constructor.
        (getGraph()): Returns a clone.
        (addTriple(Triple)): New method.
        (toString()): New method.
        * src/nongnu/cashews/rdf/Literal.java:
        (clone()): New method.
        (setType(Type)): New method.
        * src/nongnu/cashews/rdf/Predicate.java:
        (clone()): New method.
        * src/nongnu/cashews/rdf/RDFObject.java:
        (clone()): New method.
        * src/nongnu/cashews/rdf/RDFURI.java:
        (RDFURI(java.net.URI)): Call setURI.
        (setURI(java.net.URI)): New method.
        (clone()): New method.
        * src/nongnu/cashews/rdf/Subject.java:
        (clone()): New method.
        * src/nongnu/cashews/rdf/Triple.java:
        (clone()): New method.
        (setSubject(Subject)): New method.
        (setPredicate(Predicate)): New method.
        (setObject(Object)): New method.
        (equals(Object)): New method.
        (hashCode()): New method.
        (getSubject()): New method.
        (getPredicate()): New method.
        (getObject()): New method.
        * src/nongnu/cashews/rdf/Type.java:
        (clone()): New method.
        * src/nongnu/cashews/rdf/XMLParser.java:
        (graph): New field.
        (parse(String)): Return a graph.
        (parse(java.io.InputSource)): Likewise.
        (parse(java.io.File)): Likewise.
        (main(String[])): Print out result.
        (startElement(String,String,String,org.xml.sax.Attributes)):
        Added RDF URI object handling.
        (endElement(String,String,String)): Moved triple creation to
        post-predicate rather than post-subject.

-- 
Andrew :-)

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