Mercurial > hg > orthanc
annotate Core/RestApi/RestApi.h @ 339:639272ef7615
answer raw buffers
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 16 Jan 2013 15:14:54 +0100 |
| parents | c51c9ed603e6 |
| children | 753e69f9326e |
| rev | line source |
|---|---|
| 209 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, | |
| 4 * Belgium | |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #pragma once | |
| 34 | |
| 35 #include "../HttpServer/HttpHandler.h" | |
| 36 #include "RestApiPath.h" | |
| 37 #include "RestApiOutput.h" | |
| 38 | |
| 217 | 39 #include <list> |
| 40 | |
| 209 | 41 namespace Orthanc |
| 42 { | |
| 43 class RestApi : public HttpHandler | |
| 44 { | |
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45 public: |
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46 class Call |
| 209 | 47 { |
| 48 friend class RestApi; | |
| 49 | |
| 50 private: | |
| 51 RestApiOutput* output_; | |
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52 RestApi* context_; |
| 209 | 53 const HttpHandler::Arguments* httpHeaders_; |
| 54 const RestApiPath::Components* uriComponents_; | |
| 55 const UriComponents* trailing_; | |
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56 const UriComponents* fullUri_; |
| 209 | 57 |
| 304 | 58 protected: |
| 59 static bool ParseJsonRequestInternal(Json::Value& result, | |
| 60 const char* request); | |
| 61 | |
| 209 | 62 public: |
| 63 RestApiOutput& GetOutput() | |
| 64 { | |
| 65 return *output_; | |
| 66 } | |
| 67 | |
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68 RestApi& GetContext() |
| 209 | 69 { |
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70 return *context_; |
| 209 | 71 } |
| 72 | |
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73 const UriComponents& GetFullUri() const |
| 209 | 74 { |
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75 return *fullUri_; |
| 209 | 76 } |
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77 |
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78 const UriComponents& GetTrailingUri() const |
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79 { |
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80 return *trailing_; |
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81 } |
| 209 | 82 |
| 83 std::string GetUriComponent(const std::string& name, | |
| 231 | 84 const std::string& defaultValue) const |
| 209 | 85 { |
| 86 return HttpHandler::GetArgument(*uriComponents_, name, defaultValue); | |
| 87 } | |
| 212 | 88 |
| 89 std::string GetHttpHeader(const std::string& name, | |
| 231 | 90 const std::string& defaultValue) const |
| 212 | 91 { |
| 92 return HttpHandler::GetArgument(*httpHeaders_, name, defaultValue); | |
| 93 } | |
| 304 | 94 |
| 332 | 95 const HttpHandler::Arguments& GetHttpHeaders() const |
| 96 { | |
| 97 return *httpHeaders_; | |
| 98 } | |
| 99 | |
| 330 | 100 void ParseCookies(HttpHandler::Arguments& result) const |
| 101 { | |
| 102 HttpHandler::ParseCookies(result, *httpHeaders_); | |
| 103 } | |
| 104 | |
| 304 | 105 virtual bool ParseJsonRequest(Json::Value& result) const = 0; |
| 209 | 106 }; |
| 107 | |
| 108 | |
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109 class GetCall : public Call |
| 209 | 110 { |
| 111 friend class RestApi; | |
| 112 | |
| 113 private: | |
| 114 const HttpHandler::Arguments* getArguments_; | |
| 115 | |
| 116 public: | |
| 117 std::string GetArgument(const std::string& name, | |
| 231 | 118 const std::string& defaultValue) const |
| 209 | 119 { |
| 120 return HttpHandler::GetArgument(*getArguments_, name, defaultValue); | |
| 121 } | |
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122 |
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123 bool HasArgument(const std::string& name) const |
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124 { |
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125 return getArguments_->find(name) != getArguments_->end(); |
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126 } |
| 304 | 127 |
| 128 virtual bool ParseJsonRequest(Json::Value& result) const; | |
| 209 | 129 }; |
| 130 | |
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131 class PutCall : public Call |
| 209 | 132 { |
| 133 friend class RestApi; | |
| 134 | |
| 135 private: | |
| 136 const std::string* data_; | |
| 137 | |
| 138 public: | |
| 304 | 139 const std::string& GetPutBody() const |
| 209 | 140 { |
| 141 return *data_; | |
| 142 } | |
| 304 | 143 |
| 144 virtual bool ParseJsonRequest(Json::Value& result) const | |
| 145 { | |
| 146 return ParseJsonRequestInternal(result, GetPutBody().c_str()); | |
| 147 } | |
| 209 | 148 }; |
| 149 | |
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150 class PostCall : public Call |
| 209 | 151 { |
| 152 friend class RestApi; | |
| 153 | |
| 154 private: | |
| 155 const std::string* data_; | |
| 156 | |
| 157 public: | |
| 304 | 158 const std::string& GetPostBody() const |
| 209 | 159 { |
| 160 return *data_; | |
| 161 } | |
| 304 | 162 |
| 163 virtual bool ParseJsonRequest(Json::Value& result) const | |
| 164 { | |
| 165 return ParseJsonRequestInternal(result, GetPostBody().c_str()); | |
| 166 } | |
| 209 | 167 }; |
| 168 | |
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169 class DeleteCall : public Call |
| 209 | 170 { |
| 304 | 171 public: |
| 172 virtual bool ParseJsonRequest(Json::Value& result) const | |
| 173 { | |
| 174 result.clear(); | |
| 175 return true; | |
| 176 } | |
| 209 | 177 }; |
| 178 | |
| 179 typedef void (*GetHandler) (GetCall& call); | |
| 180 | |
| 181 typedef void (*DeleteHandler) (DeleteCall& call); | |
| 182 | |
| 183 typedef void (*PutHandler) (PutCall& call); | |
| 184 | |
| 185 typedef void (*PostHandler) (PostCall& call); | |
| 186 | |
| 187 private: | |
| 188 typedef std::list< std::pair<RestApiPath*, GetHandler> > GetHandlers; | |
| 189 typedef std::list< std::pair<RestApiPath*, PutHandler> > PutHandlers; | |
| 190 typedef std::list< std::pair<RestApiPath*, PostHandler> > PostHandlers; | |
| 191 typedef std::list< std::pair<RestApiPath*, DeleteHandler> > DeleteHandlers; | |
| 192 | |
| 193 GetHandlers getHandlers_; | |
| 194 PutHandlers putHandlers_; | |
| 195 PostHandlers postHandlers_; | |
| 196 DeleteHandlers deleteHandlers_; | |
| 197 | |
| 198 bool IsGetAccepted(const UriComponents& uri); | |
| 199 bool IsPutAccepted(const UriComponents& uri); | |
| 200 bool IsPostAccepted(const UriComponents& uri); | |
| 201 bool IsDeleteAccepted(const UriComponents& uri); | |
| 202 | |
| 203 std::string GetAcceptedMethods(const UriComponents& uri); | |
| 204 | |
| 205 public: | |
| 206 RestApi() | |
| 207 { | |
| 208 } | |
| 209 | |
| 210 ~RestApi(); | |
| 211 | |
| 212 virtual bool IsServedUri(const UriComponents& uri); | |
| 213 | |
| 214 virtual void Handle(HttpOutput& output, | |
| 215 const std::string& method, | |
| 216 const UriComponents& uri, | |
| 217 const Arguments& headers, | |
| 218 const Arguments& getArguments, | |
| 219 const std::string& postData); | |
| 220 | |
| 221 void Register(const std::string& path, | |
| 222 GetHandler handler); | |
| 223 | |
| 224 void Register(const std::string& path, | |
| 225 PutHandler handler); | |
| 226 | |
| 227 void Register(const std::string& path, | |
| 228 PostHandler handler); | |
| 229 | |
| 230 void Register(const std::string& path, | |
| 231 DeleteHandler handler); | |
| 232 }; | |
| 233 } |