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/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
* Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* In addition, as a special exception, the copyright holders of this
* program give permission to link the code of its release with the
* OpenSSL project's "OpenSSL" library (or with modified versions of it
* that use the same license as the "OpenSSL" library), and distribute
* the linked executables. You must obey the GNU General Public License
* in all respects for all of the code used other than "OpenSSL". If you
* modify file(s) with this exception, you may extend this exception to
* your version of the file(s), but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source files
* in the program, then also delete it here.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
#pragma once
#include "RestApiGetCall.h"
#include "RestApiPostCall.h"
#include "RestApiPutCall.h"
#include "RestApiDeleteCall.h"
#include <set>
namespace Orthanc
{
class RestApiHierarchy : public boost::noncopyable
{
public:
class Resource : public boost::noncopyable
{
private:
RestApiGetCall::Handler getHandler_;
RestApiPostCall::Handler postHandler_;
RestApiPutCall::Handler putHandler_;
RestApiDeleteCall::Handler deleteHandler_;
public:
Resource();
bool HasHandler(HttpMethod method) const;
void Register(RestApiGetCall::Handler handler)
{
getHandler_ = handler;
}
void Register(RestApiPutCall::Handler handler)
{
putHandler_ = handler;
}
void Register(RestApiPostCall::Handler handler)
{
postHandler_ = handler;
}
void Register(RestApiDeleteCall::Handler handler)
{
deleteHandler_ = handler;
}
bool IsEmpty() const;
bool Handle(RestApiGetCall& call) const;
bool Handle(RestApiPutCall& call) const;
bool Handle(RestApiPostCall& call) const;
bool Handle(RestApiDeleteCall& call) const;
};
class IVisitor : public boost::noncopyable
{
public:
virtual ~IVisitor()
{
}
virtual bool Visit(const Resource& resource,
const UriComponents& uri,
const HttpHandler::Arguments& components,
const UriComponents& trailing) = 0;
};
private:
typedef std::map<std::string, RestApiHierarchy*> Children;
Resource handlers_;
Children children_;
Children wildcardChildren_;
Resource universalHandlers_;
static RestApiHierarchy& AddChild(Children& children,
const std::string& name);
static void DeleteChildren(Children& children);
template <typename Handler>
void RegisterInternal(const RestApiPath& path,
Handler handler,
size_t level);
bool CanGenerateDirectory() const;
bool LookupResource(HttpHandler::Arguments& components,
const UriComponents& uri,
IVisitor& visitor,
size_t level);
bool GetDirectory(Json::Value& result,
const UriComponents& uri,
size_t level);
public:
~RestApiHierarchy();
void Register(const std::string& uri,
RestApiGetCall::Handler handler);
void Register(const std::string& uri,
RestApiPutCall::Handler handler);
void Register(const std::string& uri,
RestApiPostCall::Handler handler);
void Register(const std::string& uri,
RestApiDeleteCall::Handler handler);
void CreateSiteMap(Json::Value& target) const;
bool GetDirectory(Json::Value& result,
const UriComponents& uri)
{
return GetDirectory(result, uri, 0);
}
bool LookupResource(const UriComponents& uri,
IVisitor& visitor);
void GetAcceptedMethods(std::set<HttpMethod>& methods,
const UriComponents& uri);
};
}
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