Examples with RResourceException ambit2.rest.exception.RResourceException used on opensource projects

Example 1 with RResourceException

use of ambit2.rest.exception.RResourceException 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);
    }
}

Example 2 with RResourceException

use of ambit2.rest.exception.RResourceException in project ambit-mirror by ideaconsult.

the class AbstractResource method getRepresentation.

protected Representation getRepresentation(Variant variant) throws ResourceException {
    try {
        setTokenCookies(variant, useSecureCookie(getRequest()));
        setStatus(Status.SUCCESS_OK);
        if (MediaType.APPLICATION_JAVA_OBJECT.equals(variant.getMediaType())) {
            if ((queryObject != null) && (queryObject instanceof Serializable))
                return new ObjectRepresentation((Serializable) queryObject, MediaType.APPLICATION_JAVA_OBJECT);
            else
                throw new ResourceException(Status.CLIENT_ERROR_NOT_ACCEPTABLE);
        }
        if (queryObject != null) {
            IProcessor<Q, Representation> convertor = null;
            try {
                getResponse().setStatus(response_status);
                convertor = createConvertor(variant);
                Representation r = convertor.process(queryObject);
                return r;
            } catch (NotFoundException x) {
                Representation r = processNotFound(x, variant);
                return r;
            } catch (BatchProcessingException x) {
                if (x.getCause() instanceof NotFoundException) {
                    Representation r = processNotFound((NotFoundException) x.getCause(), variant);
                    return r;
                } else {
                    getResponse().setStatus(Status.SERVER_ERROR_INTERNAL, x);
                    return null;
                }
            } catch (RResourceException x) {
                getResponse().setStatus(x.getStatus());
                return x.getRepresentation();
            } catch (ResourceException x) {
                getResponse().setStatus(x.getStatus());
                return null;
            } catch (Exception x) {
                getResponse().setStatus(Status.SERVER_ERROR_INTERNAL, x);
                return null;
            } finally {
            }
        } else {
            getResponse().setStatus(response_status == null ? Status.CLIENT_ERROR_BAD_REQUEST : response_status, error);
            return null;
        }
    } catch (Exception x) {
        getResponse().setStatus(Status.SERVER_ERROR_INTERNAL, x);
        return null;
    }
}

Example 3 with RResourceException

use of ambit2.rest.exception.RResourceException in project ambit-mirror by ideaconsult.

the class QueryResource method process.

protected Representation process(Representation entity, final Variant variant, final boolean async) throws ResourceException {
    synchronized (this) {
        Connection conn = null;
        try {
            final Form form = new Form(entity);
            final Reference reference = new Reference(getObjectURI(form));
            // models
            IQueryRetrieval<T> query = createQuery(getContext(), getRequest(), getResponse());
            if (query == null)
                throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST);
            TaskCreator<Object, T> taskCreator = new TaskCreator<Object, T>(form, async) {

                /**
                 */
                private static final long serialVersionUID = -1964726528437949752L;

                @Override
                protected ICallableTask getCallable(Form form, T item) throws ResourceException {
                    return createCallable(form, item);
                }

                @Override
                protected ITask<Reference, Object> createTask(ICallableTask callable, T item) throws ResourceException {
                    return ((ITaskApplication) getApplication()).addTask(String.format("Apply %s %s %s", item.toString(), reference == null ? "" : "to", reference == null ? "" : reference), callable, getRequest().getRootRef(), getToken());
                }
            };
            DBConnection dbc = new DBConnection(getApplication().getContext());
            conn = dbc.getConnection(30, true, 5);
            List<UUID> r = null;
            try {
                taskCreator.setConnection(conn);
                r = taskCreator.process(query);
            } finally {
                try {
                    taskCreator.setConnection(null);
                    taskCreator.close();
                } catch (Exception x) {
                }
                try {
                    conn.close();
                    conn = null;
                } catch (Exception x) {
                }
            }
            if ((r == null) || (r.size() == 0))
                throw new ResourceException(Status.CLIENT_ERROR_NOT_FOUND);
            else {
                ITaskStorage storage = ((ITaskApplication) getApplication()).getTaskStorage();
                FactoryTaskConvertor<Object> tc = new FactoryTaskConvertor<Object>(storage);
                if (r.size() == 1) {
                    ITask<Reference, Object> task = storage.findTask(r.get(0));
                    task.update();
                    setStatus(task.isDone() ? Status.SUCCESS_OK : Status.SUCCESS_ACCEPTED);
                    return tc.createTaskRepresentation(r.get(0), variant, getRequest(), getResponse(), null);
                } else
                    return tc.createTaskRepresentation(r.iterator(), variant, getRequest(), getResponse(), null);
            }
        } catch (RResourceException x) {
            throw x;
        } catch (ResourceException x) {
            throw new RResourceException(x.getStatus(), x, variant);
        } catch (AmbitException x) {
            throw new RResourceException(new Status(Status.SERVER_ERROR_INTERNAL, x), variant);
        } catch (SQLException x) {
            throw new RResourceException(new Status(Status.SERVER_ERROR_INTERNAL, x), variant);
        } catch (Exception x) {
            throw new RResourceException(new Status(Status.SERVER_ERROR_INTERNAL, x), variant);
        } finally {
            try {
                if (conn != null)
                    conn.close();
            } catch (Exception x) {
            }
        }
    }
}