[jira] [Created] (JENA-1393) FmtUtils.stringForURI does not compact URIs with ":" in localname

["Michał Woźniak (JIRA)" <ji...@apache.org>]

Michał Woźniak created JENA-1393:
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             Summary: FmtUtils.stringForURI does not compact URIs with ":" in localname
                 Key: JENA-1393
                 URL: https://issues.apache.org/jira/browse/JENA-1393
             Project: Apache Jena
          Issue Type: Bug
          Components: ARQ, Jena
    Affects Versions: Jena 3.4.0, Jena 3.3.0, Jena 3.2.0, Jena 3.1.1
            Reporter: Michał Woźniak
            Priority: Minor


*Issue*: FmtUtils.stringForURI does not compact URI with ":" in localname as the compacted 
prefixed form gets rejected by FtmUtils.validPNameChar(ch) function. However, 
according to the SPARQL specification ";" is allowed in prefixed form, see:
https://www.w3.org/TR/sparql11-query/#rPN_LOCAL

*Note* it  ":" was not allowed in localname in older versions of the document (before 2013):
https://www.w3.org/TR/2012/WD-sparql11-query-20120105/#rPN_LOCAL

*Proposed Fix*: add the following line to FmtUtils.validPNameChar(ch): "if ( ch == ':' )    return true ;".

*Proposed Test* add to TestFmtUtils: 
    @Test
    public void stringForURI_colonInLocalname_shouldCompact() {
        String uri = aUri + "local:name";
        final String result = FmtUtils.stringForURI(uri, getPrefixMapping());
        assertEquals("zz:local:name", result);
    }




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