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

Example 21 with MediaType

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

the class DomainEventSourceResource method handle.

@Override
public void handle(Request request, Response response) {
    long eventCount = source.count();
    long pageSize = 10;
    long startEvent = -1;
    long endEvent = -1;
    long limit = pageSize;
    final List<UnitOfWorkDomainEventsValue> eventsValues = new ArrayList<UnitOfWorkDomainEventsValue>();
    final Feed feed = new Feed();
    feed.setBaseReference(request.getResourceRef().getParentRef());
    List<Link> links = feed.getLinks();
    String remainingPart = request.getResourceRef().getRemainingPart();
    if (remainingPart.equals("/")) {
        // Current set - always contains the last "pageSize" events
        startEvent = Math.max(0, eventCount - pageSize - 1);
        feed.setTitle(new Text("Current set"));
        if (startEvent > 0) {
            long previousStart = Math.max(0, startEvent - pageSize);
            long previousEnd = startEvent - 1;
            Link link = new Link(new Reference(previousStart + "," + previousEnd), new Relation("previous"), MediaType.APPLICATION_ATOM);
            link.setTitle("Previous page");
            links.add(link);
        }
    } else {
        // Archive
        String[] indices = remainingPart.substring(1).split(",");
        if (indices.length == 1) {
            // Working set
            startEvent = Long.parseLong(indices[0]);
            endEvent = startEvent + pageSize - 1;
            limit = pageSize;
            feed.setTitle(new Text("Working set"));
        } else if (indices.length == 2) {
            feed.setTitle(new Text("Archive page"));
            startEvent = Long.parseLong(indices[0]);
            endEvent = Long.parseLong(indices[1]);
            limit = 1 + endEvent - startEvent;
        } else
            throw new ResourceException(Status.CLIENT_ERROR_NOT_FOUND);
        if (startEvent > 0) {
            long previousStart = Math.max(0, startEvent - pageSize);
            long previousEnd = startEvent - 1;
            Link link = new Link(new Reference(previousStart + "," + previousEnd), new Relation("previous"), MediaType.APPLICATION_ATOM);
            link.setTitle("Previous page");
            links.add(link);
        }
        long nextStart = endEvent + 1;
        long nextEnd = nextStart + pageSize - 1;
        if (nextStart < eventCount)
            if (nextEnd >= eventCount) {
                Link next = new Link(new Reference(nextStart + ""), new Relation("next"), MediaType.APPLICATION_ATOM);
                next.setTitle("Working set");
                links.add(next);
            } else {
                Link next = new Link(new Reference(nextStart + "," + nextEnd), new Relation("next"), MediaType.APPLICATION_ATOM);
                next.setTitle("Next page");
                links.add(next);
            }
    }
    try {
        source.events(startEvent, limit).transferTo(Outputs.collection(eventsValues));
    } catch (Throwable throwable) {
        throw new ResourceException(Status.SERVER_ERROR_INTERNAL, throwable);
    }
    Link last = new Link(new Reference("0," + (pageSize - 1)), new Relation("last"), MediaType.APPLICATION_ATOM);
    last.setTitle("Last archive page");
    links.add(last);
    Link first = new Link(new Reference("."), new Relation("first"), MediaType.APPLICATION_ATOM);
    first.setTitle("Current set");
    links.add(first);
    /*
        if (previousPage != -1)
        {
            Link link = new Link( new Reference( ""+previousPage ), new Relation( "prev-archive" ), MediaType.APPLICATION_ATOM );
            link.setTitle( "Previous archive page" );
            links.add( link );
        }
        if (nextPage != -1)
        {
            Link link = new Link( new Reference( "" + nextPage ), new Relation( "next-archive" ), MediaType.APPLICATION_ATOM );
            link.setTitle( "Next archive page" );
            links.add( link );
        }
        else if (startEvent != workingSetOffset)
        {
            Link next = new Link( new Reference( "" ), new Relation( "next" ), MediaType.APPLICATION_ATOM );
            next.setTitle( "Next page" );
            links.add( next );
        }
*/
    Date lastModified = null;
    for (UnitOfWorkDomainEventsValue eventsValue : eventsValues) {
        Entry entry = new Entry();
        entry.setTitle(new Text(eventsValue.usecase().get() + "(" + eventsValue.user().get() + ")"));
        entry.setPublished(new Date(eventsValue.timestamp().get()));
        entry.setModificationDate(lastModified = new Date(eventsValue.timestamp().get()));
        entry.setId(Long.toString(startEvent + 1));
        startEvent++;
        Content content = new Content();
        content.setInlineContent(new StringRepresentation(eventsValue.toString(), MediaType.APPLICATION_JSON));
        entry.setContent(content);
        feed.getEntries().add(entry);
    }
    feed.setModificationDate(lastModified);
    MediaType mediaType = request.getClientInfo().getPreferredMediaType(Iterables.toList(iterable(MediaType.TEXT_HTML, MediaType.APPLICATION_ATOM)));
    if (MediaType.APPLICATION_ATOM.equals(mediaType)) {
        WriterRepresentation representation = new WriterRepresentation(MediaType.APPLICATION_ATOM) {

            @Override
            public void write(final Writer writer) throws IOException {
                feed.write(writer);
            }
        };
        representation.setCharacterSet(CharacterSet.UTF_8);
        response.setEntity(representation);
    } else {
        WriterRepresentation representation = new WriterRepresentation(MediaType.TEXT_HTML) {

            @Override
            public void write(Writer writer) throws IOException {
                writer.append("<html><head><title>Events</title></head><body>");
                for (Link link : feed.getLinks()) {
                    writer.append("<a href=\"").append(link.getHref().getPath()).append("\">");
                    writer.append(link.getTitle());
                    writer.append("</a><br/>");
                }
                writer.append("<ol>");
                for (Entry entry : feed.getEntries()) {
                    writer.append("<li>").append(entry.getTitle().toString()).append("</li>");
                }
                writer.append("</ol></body>");
            }
        };
        representation.setCharacterSet(CharacterSet.UTF_8);
        response.setEntity(representation);
    }
/*
        } else
        {
            throw new ResourceException( Status.CLIENT_ERROR_UNSUPPORTED_MEDIA_TYPE );
        }
*/
}

Example 22 with MediaType

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

the class ContextResourceClientFactory method setAcceptedMediaTypes.

public void setAcceptedMediaTypes(MediaType... acceptedMediaTypes) {
    List<Preference<MediaType>> mediatypes = new ArrayList<Preference<MediaType>>();
    for (MediaType mediaType : acceptedMediaTypes) {
        mediatypes.add(new Preference<MediaType>(mediaType));
    }
    info.setAcceptedMediaTypes(mediatypes);
}

Example 23 with MediaType

use of org.restlet.data.MediaType 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;
            }
        }
    }
}

Example 24 with MediaType

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

the class DefaultResponseWriter method writeResponse.

@Override
public boolean writeResponse(final Object result, final Response response) throws ResourceException {
    MediaType type = getVariant(response.getRequest(), ENGLISH, supportedMediaTypes).getMediaType();
    if (MediaType.APPLICATION_JSON.equals(type)) {
        if (result instanceof String || result instanceof Number || result instanceof Boolean) {
            StringRepresentation representation = new StringRepresentation(result.toString(), MediaType.APPLICATION_JSON);
            response.setEntity(representation);
            return true;
        }
    }
    return false;
}

Example 25 with MediaType

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

the class ResourceResponseWriter method writeResponse.

@Override
public boolean writeResponse(final Object result, final Response response) throws ResourceException {
    if (result instanceof Resource) {
        Resource resourceValue = (Resource) result;
        // Allowed methods
        response.getAllowedMethods().add(Method.GET);
        if (Iterables.matchesAny(LinksUtil.withRel("delete"), resourceValue.commands().get())) {
            response.getAllowedMethods().add(Method.DELETE);
        }
        if (Iterables.matchesAny(LinksUtil.withRel("update"), resourceValue.commands().get())) {
            response.getAllowedMethods().add(Method.PUT);
        }
        // Response according to what client accepts
        MediaType type = getVariant(response.getRequest(), ENGLISH, supportedMediaTypes).getMediaType();
        if (MediaType.APPLICATION_JSON.equals(type)) {
            response.setEntity(new StringRepresentation(resourceValue.toString(), MediaType.APPLICATION_JSON));
            return true;
        } else if (MediaType.TEXT_HTML.equals(type)) {
            Representation rep = new WriterRepresentation(MediaType.TEXT_HTML) {

                @Override
                public void write(Writer writer) throws IOException {
                    Map<String, Object> context = new HashMap<String, Object>();
                    context.put("request", response.getRequest());
                    context.put("response", response);
                    context.put("result", result);
                    try {
                        cfg.getTemplate("resource.htm").process(context, writer);
                    } catch (TemplateException e) {
                        throw new IOException(e);
                    }
                }
            };
            response.setEntity(rep);
            return true;
        }
    }
    return false;
}