mirror of https://gitee.com/bigwinds/arangodb
151 lines
5.8 KiB
C++
151 lines
5.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// @brief default handler for error handling and json in-/output
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2004-2013 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Dr. Frank Celler
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/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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#include "RestBaseHandler.h"
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#include "BasicsC/tri-strings.h"
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#include "Basics/StringUtils.h"
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#include "Logger/Logger.h"
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#include "Rest/HttpRequest.h"
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#include "Rest/HttpResponse.h"
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using namespace std;
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using namespace triagens::basics;
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using namespace triagens::rest;
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using namespace triagens::admin;
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// -----------------------------------------------------------------------------
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// --SECTION-- constructors and destructors
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup RestServer
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief constructor
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////////////////////////////////////////////////////////////////////////////////
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RestBaseHandler::RestBaseHandler (HttpRequest* request)
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: HttpHandler(request) {
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- HttpHandler methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup RestServer
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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void RestBaseHandler::handleError (TriagensError const& error) {
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generateError(HttpResponse::SERVER_ERROR,
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TRI_ERROR_INTERNAL,
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DIAGNOSTIC_INFORMATION(error));
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- public methods
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// -----------------------------------------------------------------------------
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////////////////////////////////////////////////////////////////////////////////
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/// @addtogroup RestServer
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/// @{
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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/// @brief generates a result from JSON
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////////////////////////////////////////////////////////////////////////////////
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void RestBaseHandler::generateResult (TRI_json_t* json) {
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_response = createResponse(HttpResponse::OK);
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_response->setContentType("application/json; charset=utf-8");
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int res = TRI_StringifyJson(_response->body().stringBuffer(), json);
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if (res != TRI_ERROR_NO_ERROR) {
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generateError(HttpResponse::SERVER_ERROR,
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TRI_ERROR_INTERNAL,
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"cannot generate output");
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief generates an error
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////////////////////////////////////////////////////////////////////////////////
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void RestBaseHandler::generateError (HttpResponse::HttpResponseCode code, int errorCode) {
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char const* message = TRI_errno_string(errorCode);
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if (message) {
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generateError(code, errorCode, string(message));
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}
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else {
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generateError(code, errorCode, string("unknown error"));
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @brief generates an error
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////////////////////////////////////////////////////////////////////////////////
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void RestBaseHandler::generateError (HttpResponse::HttpResponseCode code, int errorCode, string const& message) {
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_response = createResponse(code);
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_response->setContentType("application/json; charset=utf-8");
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_response->body().appendText("{\"error\":true,\"errorMessage\":\"");
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_response->body().appendText(StringUtils::escapeUnicode(message));
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_response->body().appendText("\",\"code\":");
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_response->body().appendInteger(code);
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_response->body().appendText(",\"errorNum\":");
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_response->body().appendInteger(errorCode);
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_response->body().appendText("}");
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}
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////////////////////////////////////////////////////////////////////////////////
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/// @}
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////////////////////////////////////////////////////////////////////////////////
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|/// @page\\|// --SECTION--\\|/// @\\}"
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// End:
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