Examples with Representation org.restlet.representation.Representation used on opensource projects

Example 91 with Representation

use of org.restlet.representation.Representation in project helix by apache.

the class TestHelixAdminScenariosRest method getUrl.

String getUrl(String url) throws IOException {
    Reference resourceRef = new Reference(url);
    Request request = new Request(Method.GET, resourceRef);
    Response response = _gClient.handle(request);
    Representation result = response.getEntity();
    StringWriter sw = new StringWriter();
    result.write(sw);
    return sw.toString();
}

Example 92 with Representation

use of org.restlet.representation.Representation in project helix by apache.

the class TestHelixAdminScenariosRest method assertSuccessPostOperation.

static String assertSuccessPostOperation(String url, Map<String, String> jsonParameters, Map<String, String> extraForm, boolean hasException) throws IOException {
    Reference resourceRef = new Reference(url);
    int numRetries = 0;
    while (numRetries <= MAX_RETRIES) {
        Request request = new Request(Method.POST, resourceRef);
        if (extraForm != null) {
            String entity = JsonParameters.JSON_PARAMETERS + "=" + ClusterRepresentationUtil.ObjectToJson(jsonParameters);
            for (String key : extraForm.keySet()) {
                entity = entity + "&" + (key + "=" + extraForm.get(key));
            }
            request.setEntity(entity, MediaType.APPLICATION_ALL);
        } else {
            request.setEntity(JsonParameters.JSON_PARAMETERS + "=" + ClusterRepresentationUtil.ObjectToJson(jsonParameters), MediaType.APPLICATION_ALL);
        }
        Response response = _gClient.handle(request);
        Representation result = response.getEntity();
        StringWriter sw = new StringWriter();
        if (result != null) {
            result.write(sw);
        }
        int code = response.getStatus().getCode();
        boolean successCode = code == Status.SUCCESS_NO_CONTENT.getCode() || code == Status.SUCCESS_OK.getCode();
        if (successCode || numRetries == MAX_RETRIES) {
            Assert.assertTrue(successCode);
            Assert.assertTrue(hasException == sw.toString().toLowerCase().contains("exception"));
            return sw.toString();
        }
        numRetries++;
    }
    Assert.fail("Request failed after all retries");
    return null;
}

Example 93 with Representation

use of org.restlet.representation.Representation in project qi4j-sdk by Qi4j.

the class ContextResource method handleQuery.

private void handleQuery(String segment) {
    Request request = Request.getCurrent();
    Response response = Response.getCurrent();
    // Query
    // Try to locate either the query method or command method that should be used
    Method queryMethod = resourceMethodQueries.get(segment);
    if (queryMethod == null) {
        queryMethod = resourceMethodCommands.get(segment);
    }
    if (queryMethod == null) {
        // Not found as interaction, try SubResource
        Method resourceMethod = subResources.get(segment);
        if (resourceMethod != null && resourceMethod.getAnnotation(SubResource.class) != null) {
            // Found it! Redirect to it
            response.setStatus(Status.REDIRECTION_FOUND);
            response.setLocationRef(new Reference(request.getResourceRef().toString() + "/").toString());
            return;
        } else {
            // 404
            throw new ResourceException(Status.CLIENT_ERROR_NOT_FOUND);
        }
    }
    // Check if this is a request to show the form for this interaction
    if ((request.getMethod().isSafe() && queryMethod.getParameterTypes().length != 0 && request.getResourceRef().getQuery() == null) || (!request.getMethod().isSafe() && queryMethod.getParameterTypes().length != 0 && !(request.getEntity().isAvailable() || request.getResourceRef().getQuery() != null || queryMethod.getParameterTypes()[0].equals(Response.class)))) {
        // Show form
        try {
            // Tell client to try again
            response.setStatus(Status.CLIENT_ERROR_UNPROCESSABLE_ENTITY);
            response.getAllowedMethods().add(org.restlet.data.Method.GET);
            response.getAllowedMethods().add(org.restlet.data.Method.POST);
            result(formForMethod(queryMethod));
        } catch (Exception e) {
            handleException(response, e);
        }
    } else {
        // Check timestamps
        ResourceValidity validity = (ResourceValidity) request.getAttributes().get(RESOURCE_VALIDITY);
        if (validity != null) {
            validity.checkRequest();
        }
        // Check method constraints
        if (!constraints.isValid(queryMethod, current(), module)) {
            throw new ResourceException(Status.CLIENT_ERROR_NOT_FOUND);
        }
        try {
            // Create argument
            Object[] arguments;
            if (queryMethod.getParameterTypes().length > 0) {
                try {
                    arguments = requestReader.readRequest(Request.getCurrent(), queryMethod);
                    if (arguments == null) {
                        // Show form
                        result(formForMethod(queryMethod));
                        return;
                    }
                } catch (IllegalArgumentException e) {
                    // Still missing some values - show form
                    result(formForMethod(queryMethod));
                    return;
                }
            } else {
                // No arguments to this query
                arguments = new Object[0];
            }
            // Invoke method
            Request.getCurrent().getAttributes().put(ARGUMENTS, arguments);
            Object result = queryMethod.invoke(this, arguments);
            if (result != null) {
                if (result instanceof Representation) {
                    response.setEntity((Representation) result);
                } else {
                    result(convert(result));
                }
            }
        } catch (Throwable e) {
            handleException(response, e);
        }
    }
}

Example 94 with Representation

use of org.restlet.representation.Representation in project qi4j-sdk by Qi4j.

the class ContextResource method handleCommand.

private void handleCommand(String segment) {
    Request request = Request.getCurrent();
    Response response = Response.getCurrent();
    // Check if this is a request to show the form for this command
    Method interactionMethod = resourceMethodCommands.get(segment);
    if (shouldShowCommandForm(interactionMethod)) {
        // Show form
        // TODO This should check if method is idempotent
        response.getAllowedMethods().add(org.restlet.data.Method.POST);
        try {
            // Check if there is a query with this name - if so invoke it
            Method queryMethod = resourceMethodQueries.get(segment);
            if (queryMethod != null) {
                result(queryMethod.invoke(this));
            } else {
                request.setMethod(org.restlet.data.Method.POST);
                response.setStatus(Status.CLIENT_ERROR_UNPROCESSABLE_ENTITY);
                result(formForMethod(interactionMethod));
            }
        } catch (Exception e) {
            handleException(response, e);
        }
    } else {
        // Check timestamps
        ResourceValidity validity = (ResourceValidity) request.getAttributes().get(RESOURCE_VALIDITY);
        if (validity != null) {
            validity.checkRequest();
        }
        // Check method constraints
        if (!constraints.isValid(interactionMethod, current(), module)) {
            throw new ResourceException(Status.CLIENT_ERROR_NOT_FOUND);
        }
        // Create argument
        Object[] arguments = requestReader.readRequest(Request.getCurrent(), interactionMethod);
        Request.getCurrent().getAttributes().put(ARGUMENTS, arguments);
        // Invoke method
        try {
            Object result = interactionMethod.invoke(this, arguments);
            if (result != null) {
                if (result instanceof Representation) {
                    response.setEntity((Representation) result);
                } else {
                    result(convert(result));
                }
            }
        } catch (Throwable e) {
            handleException(response, e);
        }
    }
}

Example 95 with Representation

use of org.restlet.representation.Representation in project qi4j-sdk by Qi4j.

the class DefaultRequestReader method readRequest.

@Override
public Object[] readRequest(Request request, Method method) throws ResourceException {
    if (request.getMethod().equals(org.restlet.data.Method.GET)) {
        Object[] args = new Object[method.getParameterTypes().length];
        Form queryAsForm = Request.getCurrent().getResourceRef().getQueryAsForm();
        Form entityAsForm = null;
        Representation representation = Request.getCurrent().getEntity();
        if (representation != null && !EmptyRepresentation.class.isInstance(representation)) {
            entityAsForm = new Form(representation);
        } else {
            entityAsForm = new Form();
        }
        if (queryAsForm.isEmpty() && entityAsForm.isEmpty()) {
            // Nothing submitted yet - show form
            return null;
        }
        if (args.length == 1) {
            if (ValueComposite.class.isAssignableFrom(method.getParameterTypes()[0])) {
                Class<?> valueType = method.getParameterTypes()[0];
                args[0] = getValueFromForm((Class<ValueComposite>) valueType, queryAsForm, entityAsForm);
                return args;
            } else if (Form.class.equals(method.getParameterTypes()[0])) {
                args[0] = queryAsForm.isEmpty() ? entityAsForm : queryAsForm;
                return args;
            } else if (Response.class.equals(method.getParameterTypes()[0])) {
                args[0] = Response.getCurrent();
                return args;
            }
        }
        parseMethodArguments(method, args, queryAsForm, entityAsForm);
        return args;
    } else {
        Object[] args = new Object[method.getParameterTypes().length];
        Class<? extends ValueComposite> commandType = (Class<? extends ValueComposite>) method.getParameterTypes()[0];
        if (method.getParameterTypes()[0].equals(Response.class)) {
            return new Object[] { Response.getCurrent() };
        }
        Representation representation = Request.getCurrent().getEntity();
        MediaType type = representation.getMediaType();
        if (type == null) {
            Form queryAsForm = Request.getCurrent().getResourceRef().getQueryAsForm(CharacterSet.UTF_8);
            if (ValueComposite.class.isAssignableFrom(method.getParameterTypes()[0])) {
                args[0] = getValueFromForm(commandType, queryAsForm, new Form());
            } else {
                parseMethodArguments(method, args, queryAsForm, new Form());
            }
            return args;
        } else {
            if (method.getParameterTypes()[0].equals(Representation.class)) {
                // Command method takes Representation as input
                return new Object[] { representation };
            } else if (method.getParameterTypes()[0].equals(Form.class)) {
                // Command method takes Form as input
                return new Object[] { new Form(representation) };
            } else if (ValueComposite.class.isAssignableFrom(method.getParameterTypes()[0])) {
                // Need to parse input into ValueComposite
                if (type.equals(MediaType.APPLICATION_JSON)) {
                    String json = Request.getCurrent().getEntityAsText();
                    if (json == null) {
                        LoggerFactory.getLogger(getClass()).error("Restlet bugg http://restlet.tigris.org/issues/show_bug.cgi?id=843 detected. Notify developers!");
                        throw new ResourceException(Status.SERVER_ERROR_INTERNAL, "Bug in Tomcat encountered; notify developers!");
                    }
                    Object command = module.newValueFromSerializedState(commandType, json);
                    args[0] = command;
                    return args;
                } else if (type.equals(MediaType.TEXT_PLAIN)) {
                    String text = Request.getCurrent().getEntityAsText();
                    if (text == null) {
                        LoggerFactory.getLogger(getClass()).error("Restlet bugg http://restlet.tigris.org/issues/show_bug.cgi?id=843 detected. Notify developers!");
                        throw new ResourceException(Status.SERVER_ERROR_INTERNAL, "Bug in Tomcat encountered; notify developers!");
                    }
                    args[0] = text;
                    return args;
                } else if (type.equals((MediaType.APPLICATION_WWW_FORM))) {
                    Form queryAsForm = Request.getCurrent().getResourceRef().getQueryAsForm();
                    Form entityAsForm;
                    if (representation != null && !EmptyRepresentation.class.isInstance(representation) && representation.isAvailable()) {
                        entityAsForm = new Form(representation);
                    } else {
                        entityAsForm = new Form();
                    }
                    Class<?> valueType = method.getParameterTypes()[0];
                    args[0] = getValueFromForm((Class<ValueComposite>) valueType, queryAsForm, entityAsForm);
                    return args;
                } else {
                    throw new ResourceException(Status.CLIENT_ERROR_BAD_REQUEST, "Command has to be in JSON format");
                }
            } else if (method.getParameterTypes()[0].isInterface() && method.getParameterTypes().length == 1) {
                Form queryAsForm = Request.getCurrent().getResourceRef().getQueryAsForm();
                Form entityAsForm;
                if (representation != null && !EmptyRepresentation.class.isInstance(representation) && representation.isAvailable()) {
                    entityAsForm = new Form(representation);
                } else {
                    entityAsForm = new Form();
                }
                args[0] = module.currentUnitOfWork().get(method.getParameterTypes()[0], getValue("entity", queryAsForm, entityAsForm));
                return args;
            } else {
                Form queryAsForm = Request.getCurrent().getResourceRef().getQueryAsForm();
                Form entityAsForm;
                if (representation != null && !EmptyRepresentation.class.isInstance(representation) && representation.isAvailable()) {
                    entityAsForm = new Form(representation);
                } else {
                    entityAsForm = new Form();
                }
                parseMethodArguments(method, args, queryAsForm, entityAsForm);
                return args;
            }
        }
    }
}