cpp-ue4.api-source.mustache Maven / Gradle / Ivy
{{>licenseInfo}}
#include "{{classname}}.h"
#include "{{classname}}Operations.h"
#include "{{unrealModuleName}}Module.h"
#include "HttpModule.h"
#include "Serialization/JsonSerializer.h"
{{#cppNamespaceDeclarations}}
namespace {{this}}
{
{{/cppNamespaceDeclarations}}
{{classname}}::{{classname}}()
: Url(TEXT("{{basePath}}"))
{
}
{{classname}}::~{{classname}}() {}
void {{classname}}::SetURL(const FString& InUrl)
{
Url = InUrl;
}
void {{classname}}::AddHeaderParam(const FString& Key, const FString& Value)
{
AdditionalHeaderParams.Add(Key, Value);
}
void {{classname}}::ClearHeaderParams()
{
AdditionalHeaderParams.Reset();
}
bool {{classname}}::IsValid() const
{
if (Url.IsEmpty())
{
UE_LOG(Log{{unrealModuleName}}, Error, TEXT("{{classname}}: Endpoint Url is not set, request cannot be performed"));
return false;
}
return true;
}
void {{classname}}::SetHttpRetryManager(FHttpRetrySystem::FManager& InRetryManager)
{
if (RetryManager != &InRetryManager)
{
DefaultRetryManager.Reset();
RetryManager = &InRetryManager;
}
}
FHttpRetrySystem::FManager& {{classname}}::GetHttpRetryManager()
{
checkf(RetryManager, TEXT("{{classname}}: RetryManager is null. You may have meant to set it with SetHttpRetryManager first, or you may not be using a custom RetryManager at all."))
return *RetryManager;
}
FHttpRequestRef {{classname}}::CreateHttpRequest(const Request& Request) const
{
if (!Request.GetRetryParams().IsSet())
{
return FHttpModule::Get().CreateRequest();
}
else
{
if (!RetryManager)
{
// Create default retry manager if none was specified
DefaultRetryManager = MakeUnique(6, 60);
RetryManager = DefaultRetryManager.Get();
}
const HttpRetryParams& Params = Request.GetRetryParams().GetValue();
return RetryManager->CreateRequest(Params.RetryLimitCountOverride, Params.RetryTimeoutRelativeSecondsOverride, Params.RetryResponseCodes, Params.RetryVerbs, Params.RetryDomains);
}
}
void {{classname}}::HandleResponse(FHttpResponsePtr HttpResponse, bool bSucceeded, Response& InOutResponse) const
{
InOutResponse.SetHttpResponse(HttpResponse);
InOutResponse.SetSuccessful(bSucceeded);
if (bSucceeded && HttpResponse.IsValid())
{
InOutResponse.SetHttpResponseCode((EHttpResponseCodes::Type)HttpResponse->GetResponseCode());
FString ContentType = HttpResponse->GetContentType();
FString Content;
if (ContentType.IsEmpty())
{
return; // Nothing to parse
}
else if (ContentType.StartsWith(TEXT("application/json")) || ContentType.StartsWith("text/json"))
{
Content = HttpResponse->GetContentAsString();
TSharedPtr JsonValue;
auto Reader = TJsonReaderFactory<>::Create(Content);
if (FJsonSerializer::Deserialize(Reader, JsonValue) && JsonValue.IsValid())
{
if (InOutResponse.FromJson(JsonValue))
return; // Successfully parsed
}
}
else if(ContentType.StartsWith(TEXT("text/plain")))
{
Content = HttpResponse->GetContentAsString();
InOutResponse.SetResponseString(Content);
return; // Successfully parsed
}
// Report the parse error but do not mark the request as unsuccessful. Data could be partial or malformed, but the request succeeded.
UE_LOG(Log{{unrealModuleName}}, Error, TEXT("Failed to deserialize Http response content (type:%s):\n%s"), *ContentType , *Content);
return;
}
// By default, assume we failed to establish connection
InOutResponse.SetHttpResponseCode(EHttpResponseCodes::RequestTimeout);
}
{{#operations}}
{{#operation}}
FHttpRequestPtr {{classname}}::{{operationIdCamelCase}}(const {{operationIdCamelCase}}Request& Request, const F{{operationIdCamelCase}}Delegate& Delegate /*= F{{operationIdCamelCase}}Delegate()*/) const
{
if (!IsValid())
return nullptr;
FHttpRequestRef HttpRequest = CreateHttpRequest(Request);
HttpRequest->SetURL(*(Url + Request.ComputePath()));
for(const auto& It : AdditionalHeaderParams)
{
HttpRequest->SetHeader(It.Key, It.Value);
}
Request.SetupHttpRequest(HttpRequest);
HttpRequest->OnProcessRequestComplete().BindRaw(this, &{{classname}}::On{{operationIdCamelCase}}Response, Delegate);
HttpRequest->ProcessRequest();
return HttpRequest;
}
void {{classname}}::On{{operationIdCamelCase}}Response(FHttpRequestPtr HttpRequest, FHttpResponsePtr HttpResponse, bool bSucceeded, F{{operationIdCamelCase}}Delegate Delegate) const
{
{{operationIdCamelCase}}Response Response;
HandleResponse(HttpResponse, bSucceeded, Response);
Delegate.ExecuteIfBound(Response);
}
{{/operation}}
{{/operations}}
{{#cppNamespaceDeclarations}}
}
{{/cppNamespaceDeclarations}}