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https://issues.apache.org/jira/browse/JENA-331?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13461365#comment-13461365
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Dave Reynolds commented on JENA-331:
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Thanks for the suggestion.
We originally left the java value for xsd:anyURI as a string because Jena has
historically used Strings to carry URIs (which may or may not have been a good
idea). We then allowed conversion from java.net.URI as a convenience extra.
I can see that sets up an expectation of round tripping but that's not possible
in general, java.net.URI is not an adequate direct representation for anyURI.
The lexical form for anyURI [1] allows strings not allowed by java.net.URI so
that valid xsd:anyURI values (e.g. http://example.com/foo|bar) will throw
URISyntaxExceptions. We could do the %-encoding in convertValidatedDataValue to
convert the incoming anyURI syntax to a URI I would rather not mess with
lexical forms that way, too easy to end up with the wrong number of %-encodings
applied.
An alternative would be to remove the support for URI or to replace it with IRI.
[1] http://www.w3.org/TR/xmlschema-2/#anyURI
> XSDDatatype does not properly handle URIs
> -----------------------------------------
>
> Key: JENA-331
> URL: https://issues.apache.org/jira/browse/JENA-331
> Project: Apache Jena
> Issue Type: Improvement
> Components: Jena
> Affects Versions: Jena 2.7.3
> Reporter: Claude Warren
> Attachments: JENA-331.patch
>
>
> Using the TypeMapper to convert a URI to a literal and back again fails as a
> String is returned not a URI.
> Test code:
> import com.hp.hpl.jena.datatypes.RDFDatatype;
> import com.hp.hpl.jena.datatypes.TypeMapper;
> import com.hp.hpl.jena.rdf.model.Literal;
> import com.hp.hpl.jena.rdf.model.ResourceFactory;
> import java.net.URI;
> import org.junit.Assert;
> import org.junit.Test;
> public class XSDDatatypeTest
> {
> @Test
> public void testURIConversion() throws Exception
> {
> TypeMapper typeMapper = TypeMapper.getInstance();
> RDFDatatype dt = typeMapper.getTypeByClass( java.net.URI.class );
> URI uri = new URI("http://example.com"; );
> String lexicalForm = dt.unparse( uri );
> Literal l = ResourceFactory.createTypedLiteral( lexicalForm, dt );
>
> Object o = dt.parse( l.getLexicalForm() );
> Assert.assertEquals( uri, o );
> }
> }
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