Examples with RepresentationConvertor net.idea.restnet.c.RepresentationConvertor used on opensource projects

Example 1 with RepresentationConvertor

use of net.idea.restnet.c.RepresentationConvertor in project ambit-mirror by ideaconsult.

the class QueryResource method getRepresentation.

protected Representation getRepresentation(Variant variant) throws ResourceException {
    try {
        if (MediaType.APPLICATION_JAVA_OBJECT.equals(variant.getMediaType())) {
            if ((queryObject != null) && (queryObject instanceof Serializable))
                return new ObjectRepresentation((Serializable) returnQueryObject(), MediaType.APPLICATION_JAVA_OBJECT);
            else
                throw new ResourceException(Status.CLIENT_ERROR_NOT_ACCEPTABLE);
        }
        if (MediaType.APPLICATION_JAVASCRIPT.equals(variant.getMediaType())) {
            if (!isJSONPEnabled())
                throw new ResourceException(Status.CLIENT_ERROR_UNSUPPORTED_MEDIA_TYPE);
        }
        if (queryObject != null) {
            IProcessor<Q, Representation> convertor = null;
            Connection connection = null;
            int retry = 0;
            while (retry < maxRetry) {
                try {
                    DBConnection dbc = new DBConnection(getContext());
                    configureRDFWriterOption(((AmbitApplication) getApplication()).getProperties().getRDFwriter());
                    configureSDFLineSeparators(((AmbitApplication) getApplication()).getProperties().getConfigChangeLineSeparator());
                    configureDatasetMembersPrefixOption(((AmbitApplication) getApplication()).getProperties().isDatasetMembersPrefix());
                    convertor = createConvertor(variant);
                    if (convertor instanceof RepresentationConvertor)
                        ((RepresentationConvertor) convertor).setLicenseURI(getLicenseURI());
                    connection = dbc.getConnection();
                    Reporter reporter = ((RepresentationConvertor) convertor).getReporter();
                    if (reporter instanceof IDBProcessor)
                        ((IDBProcessor) reporter).setConnection(connection);
                    Representation r = convertor.process(queryObject);
                    r.setCharacterSet(CharacterSet.UTF_8);
                    return r;
                } catch (ResourceException x) {
                    throw x;
                } catch (NotFoundException x) {
                    Representation r = processNotFound(x, retry);
                    retry++;
                    if (r != null)
                        return r;
                } catch (BatchProcessingException x) {
                    if (x.getCause() instanceof NotFoundException) {
                        Representation r = processNotFound((NotFoundException) x.getCause(), retry);
                        retry++;
                        if (r != null)
                            return r;
                    } else {
                        Context.getCurrentLogger().severe(x.getMessage());
                        throw new RResourceException(Status.SERVER_ERROR_INTERNAL, x, variant);
                    }
                } catch (SQLException x) {
                    Representation r = processSQLError(x, retry, variant);
                    retry++;
                    if (r == null)
                        continue;
                    else
                        return r;
                } catch (Exception x) {
                    Context.getCurrentLogger().severe(x.getMessage());
                    throw new RResourceException(Status.SERVER_ERROR_INTERNAL, x, variant);
                } finally {
                // try { if (connection !=null) connection.close(); }
                // catch (Exception x) {};
                // try { if ((convertor !=null) &&
                // (convertor.getReporter() !=null))
                // convertor.getReporter().close(); } catch (Exception
                // x) {}
                }
            }
            return null;
        } else {
            if (variant.getMediaType().equals(MediaType.TEXT_HTML))
                try {
                    IProcessor<Q, Representation> convertor = createConvertor(variant);
                    Representation r = convertor.process(null);
                    return r;
                } catch (Exception x) {
                    throw new RResourceException(Status.CLIENT_ERROR_BAD_REQUEST, x, variant);
                }
            else {
                throw new RResourceException(Status.CLIENT_ERROR_BAD_REQUEST, error, variant);
            }
        }
    } catch (RResourceException x) {
        throw x;
    } catch (ResourceException x) {
        throw new RResourceException(x.getStatus(), x, variant);
    } catch (Exception x) {
        throw new RResourceException(Status.SERVER_ERROR_INTERNAL, x, variant);
    }
}