mirror of https://gitee.com/bigwinds/arangodb
140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief default handler for error handling and json in-/output
|
|
///
|
|
/// @file
|
|
///
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2010-2011 triagens GmbH, Cologne, Germany
|
|
///
|
|
/// Licensed under the Apache License, Version 2.0 (the "License");
|
|
/// you may not use this file except in compliance with the License.
|
|
/// You may obtain a copy of the License at
|
|
///
|
|
/// http://www.apache.org/licenses/LICENSE-2.0
|
|
///
|
|
/// Unless required by applicable law or agreed to in writing, software
|
|
/// distributed under the License is distributed on an "AS IS" BASIS,
|
|
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
/// See the License for the specific language governing permissions and
|
|
/// limitations under the License.
|
|
///
|
|
/// Copyright holder is triAGENS GmbH, Cologne, Germany
|
|
///
|
|
/// @author Dr. Frank Celler
|
|
/// @author Copyright 2011, triagens GmbH, Cologne, Germany
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "RestBaseHandler.h"
|
|
|
|
#include <boost/scoped_ptr.hpp>
|
|
|
|
#include <Basics/Logger.h>
|
|
#include <Basics/VariantArray.h>
|
|
#include <Basics/VariantObject.h>
|
|
#include <Basics/StringUtils.h>
|
|
#include <Rest/HttpRequest.h>
|
|
#include <Rest/HttpResponse.h>
|
|
#include <Rest/OutputGenerator.h>
|
|
|
|
using namespace triagens::basics;
|
|
using namespace triagens::rest;
|
|
|
|
namespace triagens {
|
|
namespace admin {
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// constructors and destructors
|
|
// -----------------------------------------------------------------------------
|
|
|
|
RestBaseHandler::RestBaseHandler (HttpRequest* request)
|
|
: HttpHandler(request) {
|
|
|
|
if (request->requestType() == HttpRequest::HTTP_REQUEST_GET) {
|
|
bool found;
|
|
string const& method = StringUtils::tolower(request->value("__METHOD__", found));
|
|
|
|
if (found) {
|
|
if (method == "put") {
|
|
LOGGER_TRACE << "forcing method 'put'";
|
|
request->setRequestType(HttpRequest::HTTP_REQUEST_PUT);
|
|
}
|
|
else if (method == "post") {
|
|
LOGGER_TRACE << "forcing method 'post'";
|
|
request->setRequestType(HttpRequest::HTTP_REQUEST_POST);
|
|
}
|
|
else if (method == "delete") {
|
|
LOGGER_TRACE << "forcing method 'delete'";
|
|
request->setRequestType(HttpRequest::HTTP_REQUEST_DELETE);
|
|
}
|
|
}
|
|
|
|
string const& body = request->value("__BODY__", found);
|
|
|
|
if (found) {
|
|
LOGGER_TRACE << "forcing body";
|
|
request->setBody(body);
|
|
}
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// public methods
|
|
// -----------------------------------------------------------------------------
|
|
|
|
void RestBaseHandler::handleError (TriagensError const& error) {
|
|
if (response != 0) {
|
|
delete response;
|
|
}
|
|
|
|
generateError(HttpResponse::SERVER_ERROR, DIAGNOSTIC_INFORMATION(error));
|
|
}
|
|
|
|
|
|
|
|
void RestBaseHandler::generateResult (VariantObject* result) {
|
|
response = new HttpResponse(HttpResponse::OK);
|
|
|
|
string contentType;
|
|
bool ok = OutputGenerator::output("json", response->body(), result, contentType);
|
|
|
|
if (ok) {
|
|
response->setContentType(contentType);
|
|
}
|
|
else {
|
|
delete response;
|
|
generateError(HttpResponse::SERVER_ERROR, "cannot generate output");
|
|
}
|
|
|
|
delete result;
|
|
}
|
|
|
|
|
|
|
|
void RestBaseHandler::generateError (HttpResponse::HttpResponseCode code, string const& message) {
|
|
response = new HttpResponse(code);
|
|
|
|
response->body().appendText("{ \"error\" : true, \"message\" : \"" );
|
|
response->body().appendText(StringUtils::escapeUnicode(message));
|
|
response->body().appendText("\", \"code\" : ");
|
|
response->body().appendInteger(code);
|
|
response->body().appendText("}");
|
|
|
|
response->setContentType("application/json");
|
|
}
|
|
|
|
|
|
|
|
bool RestBaseHandler::parseBody (InputParser::ObjectDescription& desc) {
|
|
boost::scoped_ptr<VariantArray> json(InputParser::jsonArray(request));
|
|
bool ok = desc.parse(json.get());
|
|
|
|
if (! ok) {
|
|
generateError(HttpResponse::BAD, desc.lastError());
|
|
}
|
|
|
|
return ok;
|
|
}
|
|
}
|
|
}
|