Examples with HttpRequestContextBaseAdapter io.crnk.core.engine.internal.http.HttpRequestContextBaseAdapter used on opensource projects

Example 6 with HttpRequestContextBaseAdapter

use of io.crnk.core.engine.internal.http.HttpRequestContextBaseAdapter in project crnk-framework by crnk-project.

the class JsonApiResponseFilter method filter.

/**
 * Creates JSON API responses for custom JAX-RS actions returning Crnk resources.
 */
@Override
public void filter(ContainerRequestContext requestContext, ContainerResponseContext responseContext) throws IOException {
    Object response = responseContext.getEntity();
    if (response == null) {
        if (feature.getBoot().isNullDataResponseEnabled()) {
            Document document = new Document();
            document.setData(Nullable.nullValue());
            responseContext.setEntity(document);
            responseContext.setStatus(Response.Status.OK.getStatusCode());
            responseContext.getHeaders().put("Content-Type", Collections.singletonList((Object) JsonApiMediaType.APPLICATION_JSON_API));
        }
        return;
    }
    // only modify responses which contain a single or a list of Crnk resources
    if (isResourceResponse(response)) {
        CrnkBoot boot = feature.getBoot();
        DocumentMapper documentMapper = boot.getDocumentMapper();
        HttpRequestContextProvider httpRequestContextProvider = boot.getModuleRegistry().getHttpRequestContextProvider();
        try {
            HttpRequestContext context = new HttpRequestContextBaseAdapter(new JaxrsRequestContext(requestContext, feature));
            httpRequestContextProvider.onRequestStarted(context);
            JsonApiResponse jsonApiResponse = new JsonApiResponse();
            jsonApiResponse.setEntity(response);
            // use the Crnk document mapper to create a JSON API response
            responseContext.setEntity(documentMapper.toDocument(jsonApiResponse, null));
            responseContext.getHeaders().put("Content-Type", Collections.singletonList((Object) JsonApiMediaType.APPLICATION_JSON_API));
        } finally {
            httpRequestContextProvider.onRequestFinished();
        }
    } else if (isJsonApiResponse(responseContext) && !doNotWrap(response)) {
        Document document = new Document();
        document.setData(Nullable.of(response));
        responseContext.setEntity(document);
    }
}