neo4j :: JsonCurlRequest :: defaultinit
# An abstract request that defines most of the standard options for Neo4j REST API
abstract class JsonCurlRequest
super CurlHTTPRequest
# OAuth token
var auth: nullable String is writable
# init HTTP headers for Neo4j REST API
protected fun init_headers do
headers = new HeaderMap
headers["Accept"] = "application/json; charset=UTF-8"
headers["Transfer-Encoding"] = "chunked"
headers["X-Stream"] = "true"
if auth != null then
headers["Authorization"] = "token {auth.to_s}"
end
# User agent (is used by github to contact devs in case of problems)
if user_agent != null then
headers["User-Agent"] = user_agent.to_s
end
end
redef fun execute do
init_headers
if not self.curl.is_ok then
return answer_failure(0, "Curl instance is not correctly initialized")
end
var success_response = new CurlResponseSuccess
var callback_receiver: CurlCallbacks = success_response
if self.delegate != null then callback_receiver = self.delegate.as(not null)
var err = self.curl.native.easy_setopt(new CURLOption.follow_location, 1)
if not err.is_ok then return answer_failure(err.to_i, err.to_s)
err = self.curl.native.easy_setopt(new CURLOption.http_version, 1)
if not err.is_ok then return answer_failure(err.to_i, err.to_s)
err = self.curl.native.easy_setopt(new CURLOption.url, url)
if not err.is_ok then return answer_failure(err.to_i, err.to_s)
err = self.curl.native.register_callback_header(callback_receiver)
if not err.is_ok then return answer_failure(err.to_i, err.to_s)
err = self.curl.native.register_callback_body(callback_receiver)
if not err.is_ok then return answer_failure(err.to_i, err.to_s)
# HTTP Header
if self.headers != null then
var headers_joined = self.headers.join_pairs(": ")
err = self.curl.native.easy_setopt(
new CURLOption.httpheader, headers_joined.to_curlslist)
if not err.is_ok then return answer_failure(err.to_i, err.to_s)
end
var err_hook = execute_hook
if err_hook != null then return err_hook
var err_resp = perform
if err_resp != null then return err_resp
var st_code = self.curl.native.easy_getinfo_long(new CURLInfoLong.response_code)
if not st_code == null then success_response.status_code = st_code
return success_response
end
# Hook to implement in concrete requests
protected fun execute_hook: nullable CurlResponse do return null
end
lib/neo4j/curl_json.nit:22,1--93,3