Examples with Resource org.qi4j.library.rest.common.Resource used on opensource projects

Example 6 with Resource

use of org.qi4j.library.rest.common.Resource 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;
}