private RestResponseBuilder encodeResult(
RestResponseBuilder builder, DataMap dataMap, String acceptTypes) {
String bestType = RestUtils.pickBestEncoding(acceptTypes);
if (RestConstants.HEADER_VALUE_APPLICATION_PSON.equalsIgnoreCase(bestType)) {
builder.setHeader(
RestConstants.HEADER_CONTENT_TYPE, RestConstants.HEADER_VALUE_APPLICATION_PSON);
builder.setEntity(DataMapUtils.mapToPsonBytes(dataMap));
} else if (RestConstants.HEADER_VALUE_APPLICATION_JSON.equalsIgnoreCase(bestType)) {
builder.setHeader(
RestConstants.HEADER_CONTENT_TYPE, RestConstants.HEADER_VALUE_APPLICATION_JSON);
builder.setEntity(DataMapUtils.mapToBytes(dataMap, _permissiveEncoding));
} else {
throw new RoutingException(
"No acceptable types can be returned", HttpStatus.S_406_NOT_ACCEPTABLE.getCode());
}
return builder;
}
/**
* @param request {@link RestRequest}
* @param routingResult {@link RoutingResult}
* @param responseObject response value
* @return {@link RestResponse}
* @throws IOException if cannot build response
*/
public RestResponse buildResponse(
final RestRequest request, final RoutingResult routingResult, final Object responseObject)
throws IOException {
Map<String, String> headers = new HashMap<String, String>();
headers.putAll(((ServerResourceContext) routingResult.getContext()).getResponseHeaders());
headers.put(
RestConstants.HEADER_RESTLI_PROTOCOL_VERSION,
((ServerResourceContext) routingResult.getContext()).getRestliProtocolVersion().toString());
if (responseObject == null) {
boolean isAction = routingResult.getResourceMethod().getType().equals(ResourceMethod.ACTION);
RestResponseBuilder builder = new RestResponseBuilder();
builder.setStatus(
isAction ? HttpStatus.S_200_OK.getCode() : HttpStatus.S_404_NOT_FOUND.getCode());
builder.setHeaders(headers);
if (!isAction) {
builder.setHeader(
RestConstants.HEADER_LINKEDIN_ERROR_RESPONSE,
RestConstants.HEADER_VALUE_ERROR_APPLICATION);
}
return builder.build();
}
RestLiResponseBuilder responseBuilder = chooseResponseBuilder(responseObject, routingResult);
if (responseBuilder == null) {
// this should not happen if valid return types are specified
ResourceMethodDescriptor resourceMethod = routingResult.getResourceMethod();
String fqMethodName =
resourceMethod.getResourceModel().getResourceClass().getName()
+ '#'
+ routingResult.getResourceMethod().getMethod().getName();
throw new RestLiInternalException(
"Invalid return type '"
+ responseObject.getClass()
+ " from method '"
+ fqMethodName
+ '\'');
}
PartialRestResponse partialResponse =
responseBuilder.buildResponse(request, routingResult, responseObject, headers);
RestResponseBuilder builder =
new RestResponseBuilder()
.setHeaders(headers)
.setStatus(partialResponse.getStatus().getCode());
if (partialResponse.hasData()) {
DataMap dataMap = partialResponse.getDataMap();
String acceptTypes = request.getHeader(RestConstants.HEADER_ACCEPT);
builder = encodeResult(builder, dataMap, acceptTypes);
}
return builder.build();
}