Examples with Reference org.restlet.data.Reference used on opensource projects

Example 21 with Reference

use of org.restlet.data.Reference in project qi4j-sdk by Qi4j.

the class ContextResourceClientFactoryTest method startWebServer.

@Before
public void startWebServer() throws Exception {
    server = new Server(Protocol.HTTP, 8888);
    ContextRestlet restlet = module.newObject(ContextRestlet.class, new org.restlet.Context());
    ChallengeAuthenticator guard = new ChallengeAuthenticator(null, ChallengeScheme.HTTP_BASIC, "testRealm");
    MapVerifier mapVerifier = new MapVerifier();
    mapVerifier.getLocalSecrets().put("rickard", "secret".toCharArray());
    guard.setVerifier(mapVerifier);
    guard.setNext(restlet);
    server.setNext(guard);
    server.start();
    // START SNIPPET: client-create1
    Client client = new Client(Protocol.HTTP);
    ContextResourceClientFactory contextResourceClientFactory = module.newObject(ContextResourceClientFactory.class, client);
    contextResourceClientFactory.setAcceptedMediaTypes(MediaType.APPLICATION_JSON);
    // END SNIPPET: client-create1
    // START SNIPPET: client-create2
    contextResourceClientFactory.setErrorHandler(new ErrorHandler().onError(ErrorHandler.AUTHENTICATION_REQUIRED, new ResponseHandler() {

        boolean tried = false;

        @Override
        public HandlerCommand handleResponse(Response response, ContextResourceClient client) {
            if (tried)
                throw new ResourceException(response.getStatus());
            tried = true;
            client.getContextResourceClientFactory().getInfo().setUser(new User("rickard", "secret"));
            // Try again
            return refresh();
        }
    }).onError(ErrorHandler.RECOVERABLE_ERROR, new ResponseHandler() {

        @Override
        public HandlerCommand handleResponse(Response response, ContextResourceClient client) {
            // Try to restart
            return refresh();
        }
    }));
    // END SNIPPET: client-create2
    // START SNIPPET: client-create3
    Reference ref = new Reference("http://localhost:8888/");
    crc = contextResourceClientFactory.newClient(ref);
// END SNIPPET: client-create3
}

Example 22 with Reference

use of org.restlet.data.Reference in project qi4j-sdk by Qi4j.

the class RssReaderTest method testReadRssFeed.

@Test
public void testReadRssFeed() {
    Client client = new Client(Protocol.HTTPS);
    Reference ref = new Reference("https://github.com/Qi4j/qi4j-sdk/commits/develop.atom");
    ContextResourceClientFactory contextResourceClientFactory = module.newObject(ContextResourceClientFactory.class, client);
    contextResourceClientFactory.registerResponseReader(new ResponseReader() {

        @Override
        public Object readResponse(Response response, Class<?> resultType) throws ResourceException {
            if (resultType.equals(Document.class)) {
                try {
                    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
                    documentBuilderFactory.setNamespaceAware(false);
                    return documentBuilderFactory.newDocumentBuilder().parse(response.getEntity().getStream());
                } catch (Exception e) {
                    throw new ResourceException(e);
                }
            }
            return null;
        }
    });
    contextResourceClientFactory.setErrorHandler(new ErrorHandler().onError(ErrorHandler.RECOVERABLE_ERROR, new ResponseHandler() {

        @Override
        public HandlerCommand handleResponse(Response response, ContextResourceClient client) {
            System.out.println(">> REFRESH on recoverable error: " + response.getStatus());
            return refresh();
        }
    }));
    crc = contextResourceClientFactory.newClient(ref);
    crc.onResource(new ResultHandler<Document>() {

        Iterator<Node> itemNodes;

        @Override
        public HandlerCommand handleResult(Document result, ContextResourceClient client) {
            try {
                final XPath xPath = XPathFactory.newInstance().newXPath();
                System.out.println("== " + xPath.evaluate("feed/title", result) + " ==");
                final NodeList nodes = (NodeList) xPath.evaluate("feed/entry", result, XPathConstants.NODESET);
                List<Node> items = new ArrayList<Node>();
                for (int i = 0; i < nodes.getLength(); i++) {
                    items.add(nodes.item(i));
                }
                itemNodes = items.iterator();
                return processEntry(xPath);
            } catch (XPathExpressionException e) {
                throw new ResourceException(e);
            }
        }

        private HandlerCommand processEntry(final XPath xPath) throws XPathExpressionException {
            if (!itemNodes.hasNext()) {
                return null;
            }
            Node item = itemNodes.next();
            String title = xPath.evaluate("title", item);
            String detailUrl = xPath.evaluate("link/@href", item);
            System.out.println("-- " + title + " --");
            System.out.println("-- " + detailUrl + " --");
            return processEntry(xPath);
        }
    });
    crc.start();
}

Example 23 with Reference

use of org.restlet.data.Reference in project qi4j-sdk by Qi4j.

the class ValueCompositeRequestWriter method writeRequest.

@Override
public boolean writeRequest(Object requestObject, Request request) throws ResourceException {
    if (requestObject instanceof ValueComposite) {
        // Value as parameter
        final ValueComposite valueObject = (ValueComposite) requestObject;
        if (request.getMethod().equals(Method.GET)) {
            StateHolder holder = spi.stateOf(valueObject);
            final ValueDescriptor descriptor = spi.valueDescriptorFor(valueObject);
            final Reference ref = request.getResourceRef();
            ref.setQuery(null);
            try {
                for (PropertyDescriptor propertyDescriptor : descriptor.state().properties()) {
                    Object value = holder.propertyFor(propertyDescriptor.accessor()).get();
                    String param;
                    if (value == null) {
                        param = null;
                    } else {
                        param = valueSerializer.serialize(value);
                    }
                    ref.addQueryParameter(propertyDescriptor.qualifiedName().name(), param);
                }
            } catch (ValueSerializationException e) {
                throw new ResourceException(e);
            }
        } else {
            request.setEntity(new WriterRepresentation(MediaType.APPLICATION_JSON) {

                @Override
                public void write(Writer writer) throws IOException {
                    setCharacterSet(CharacterSet.UTF_8);
                    valueSerializer.serialize(valueObject, new WriterOutputStream(writer));
                }
            });
        }
        return true;
    }
    return false;
}

Example 24 with Reference

use of org.restlet.data.Reference in project qi4j-sdk by Qi4j.

the class ContextResourceClient method invokeQuery.

private HandlerCommand invokeQuery(Reference ref, Object queryRequest, ResponseHandler resourceHandler, ResponseHandler processingErrorHandler) {
    Request request = new Request(Method.GET, ref);
    if (queryRequest != null) {
        contextResourceFactory.writeRequest(request, queryRequest);
    }
    contextResourceFactory.updateQueryRequest(request);
    User user = request.getClientInfo().getUser();
    if (user != null)
        request.setChallengeResponse(new ChallengeResponse(ChallengeScheme.HTTP_BASIC, user.getName(), user.getSecret()));
    Response response = new Response(request);
    contextResourceFactory.getClient().handle(request, response);
    if (response.getStatus().isSuccess()) {
        contextResourceFactory.updateCache(response);
        return resourceHandler.handleResponse(response, this);
    } else if (response.getStatus().isRedirection()) {
        Reference redirectedTo = response.getLocationRef();
        return invokeQuery(redirectedTo, queryRequest, resourceHandler, processingErrorHandler);
    } else {
        if (response.getStatus().equals(Status.CLIENT_ERROR_UNPROCESSABLE_ENTITY) && processingErrorHandler != null) {
            return processingErrorHandler.handleResponse(response, this);
        } else {
            // TODO This needs to be expanded to allow custom handling of all the various cases
            return errorHandler.handleResponse(response, this);
        }
    }
}

Example 25 with Reference

use of org.restlet.data.Reference in project qi4j-sdk by Qi4j.

the class ContinuousIntegrationTest method startWebServer.

@Before
public void startWebServer() throws Exception {
    server = new Server(Protocol.HTTP, 8888);
    ContextRestlet restlet = module.newObject(ContextRestlet.class, new org.restlet.Context());
    ChallengeAuthenticator guard = new ChallengeAuthenticator(null, ChallengeScheme.HTTP_BASIC, "testRealm");
    MapVerifier mapVerifier = new MapVerifier();
    mapVerifier.getLocalSecrets().put("rickard", "secret".toCharArray());
    guard.setVerifier(mapVerifier);
    guard.setNext(restlet);
    server.setNext(guard);
    server.start();
    // START SNIPPET: client-create1
    Client client = new Client(Protocol.HTTP);
    ContextResourceClientFactory contextResourceClientFactory = module.newObject(ContextResourceClientFactory.class, client);
    contextResourceClientFactory.setAcceptedMediaTypes(MediaType.APPLICATION_JSON);
    // END SNIPPET: client-create1
    // START SNIPPET: client-create2
    contextResourceClientFactory.setErrorHandler(new ErrorHandler().onError(ErrorHandler.AUTHENTICATION_REQUIRED, new ResponseHandler() {

        boolean tried = false;

        @Override
        public HandlerCommand handleResponse(Response response, ContextResourceClient client) {
            if (tried) {
                throw new ResourceException(response.getStatus());
            }
            tried = true;
            client.getContextResourceClientFactory().getInfo().setUser(new User("rickard", "secret"));
            // Try again
            return refresh();
        }
    }).onError(ErrorHandler.RECOVERABLE_ERROR, new ResponseHandler() {

        @Override
        public HandlerCommand handleResponse(Response response, ContextResourceClient client) {
            // Try to restart
            return refresh();
        }
    }));
    // END SNIPPET: client-create2
    // START SNIPPET: client-create3
    Reference ref = new Reference("http://localhost:8888/");
    crc = contextResourceClientFactory.newClient(ref);
// END SNIPPET: client-create3
}