Examples with UnsupportedParsingFormatException org.apache.clerezza.rdf.core.serializedform.UnsupportedParsingFormatException used on opensource projects

Example 1 with UnsupportedParsingFormatException

use of org.apache.clerezza.rdf.core.serializedform.UnsupportedParsingFormatException in project stanbol by apache.

the class RepresentationReader method parseFromContent.

public Map<String, Representation> parseFromContent(RequestData content, MediaType acceptedMediaType) {
    // (3) Parse the Representtion(s) form the entity stream
    if (content.getMediaType().isCompatible(MediaType.APPLICATION_JSON_TYPE)) {
        //parse from json
        throw new UnsupportedOperationException("Parsing of JSON not yet implemented :(");
    } else if (isSupported(content.getMediaType())) {
        //from RDF serialisation
        RdfValueFactory valueFactory = RdfValueFactory.getInstance();
        Map<String, Representation> representations = new HashMap<String, Representation>();
        Set<BlankNodeOrIRI> processed = new HashSet<BlankNodeOrIRI>();
        Graph graph = new IndexedGraph();
        try {
            parser.parse(graph, content.getEntityStream(), content.getMediaType().toString());
        } catch (UnsupportedParsingFormatException e) {
            //String acceptedMediaType = httpHeaders.getFirst("Accept");
            //throw an internal server Error, because we check in
            //isReadable(..) for supported types and still we get here a
            //unsupported format -> therefore it looks like an configuration
            //error the server (e.g. a missing Bundle with the required bundle)
            String message = "Unable to create the Parser for the supported format" + content.getMediaType() + " (" + e + ")";
            log.error(message, e);
            throw new WebApplicationException(Response.status(Status.INTERNAL_SERVER_ERROR).entity(message).header(HttpHeaders.ACCEPT, acceptedMediaType).build());
        } catch (RuntimeException e) {
            //NOTE: Clerezza seams not to provide specific exceptions on
            //      parsing errors. Hence the catch for all RuntimeException
            String message = "Unable to parse the provided RDF data (format: " + content.getMediaType() + ", message: " + e.getMessage() + ")";
            log.error(message, e);
            throw new WebApplicationException(Response.status(Status.BAD_REQUEST).entity(message).header(HttpHeaders.ACCEPT, acceptedMediaType).build());
        }
        for (Iterator<Triple> st = graph.iterator(); st.hasNext(); ) {
            BlankNodeOrIRI resource = st.next().getSubject();
            if (resource instanceof IRI && processed.add(resource)) {
                //build a new representation
                representations.put(((IRI) resource).getUnicodeString(), valueFactory.createRdfRepresentation((IRI) resource, graph));
            }
        }
        return representations;
    } else {
        //unsupported media type
        String message = String.format("Parsed Content-Type '%s' is not one of the supported %s", content.getMediaType(), supportedMediaTypes);
        log.info("Bad Request: {}", message);
        throw new WebApplicationException(Response.status(Status.BAD_REQUEST).entity(message).header(HttpHeaders.ACCEPT, acceptedMediaType).build());
    }
}