Mercurial > hg > orthanc
annotate OrthancServer/OrthancRestApi2.cpp @ 214:03817919169b
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 29 Nov 2012 11:11:53 +0100 |
parents | 4ce7fdcc8879 |
children | c07170f3f4f7 |
rev | line source |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, |
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4 * Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "OrthancRestApi2.h" |
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34 |
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35 #include "OrthancInitialization.h" |
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36 #include "FromDcmtkBridge.h" |
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37 #include "../Core/Uuid.h" |
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38 #include "../Core/HttpServer/FilesystemHttpSender.h" |
213
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39 #include "ServerToolbox.h" |
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40 |
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41 #include <dcmtk/dcmdata/dcistrmb.h> |
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42 #include <dcmtk/dcmdata/dcfilefo.h> |
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43 #include <boost/lexical_cast.hpp> |
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44 |
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45 |
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46 #define RETRIEVE_CONTEXT(call) \ |
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47 OrthancRestApi2& context = dynamic_cast<OrthancRestApi2&>(call.GetContext()) |
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48 |
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49 |
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50 namespace Orthanc |
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51 { |
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52 // System information ------------------------------------------------------- |
211 | 53 |
54 static void ServeRoot(RestApi::GetCall& call) | |
55 { | |
56 call.GetOutput().Redirect("app/explorer.html"); | |
57 } | |
210
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58 |
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59 static void GetSystemInformation(RestApi::GetCall& call) |
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60 { |
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61 RETRIEVE_CONTEXT(call); |
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62 |
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63 Json::Value result = Json::objectValue; |
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64 result["Version"] = ORTHANC_VERSION; |
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65 result["Name"] = GetGlobalStringParameter("Name", ""); |
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66 result["TotalCompressedSize"] = boost::lexical_cast<std::string>(context.GetIndex().GetTotalCompressedSize()); |
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67 result["TotalUncompressedSize"] = boost::lexical_cast<std::string>(context.GetIndex().GetTotalUncompressedSize()); |
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68 call.GetOutput().AnswerJson(result); |
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69 } |
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70 |
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71 |
211 | 72 // List all the patients, studies, series or instances ---------------------- |
73 | |
74 template <enum ResourceType resourceType> | |
75 static void ListResources(RestApi::GetCall& call) | |
76 { | |
77 RETRIEVE_CONTEXT(call); | |
78 | |
79 Json::Value result; | |
80 context.GetIndex().GetAllUuids(result, resourceType); | |
81 call.GetOutput().AnswerJson(result); | |
82 } | |
83 | |
212 | 84 template <enum ResourceType resourceType> |
85 static void GetSingleResource(RestApi::GetCall& call) | |
86 { | |
87 RETRIEVE_CONTEXT(call); | |
88 | |
89 Json::Value result; | |
90 if (context.GetIndex().LookupResource(result, call.GetUriComponent("id", ""), resourceType)) | |
91 { | |
92 call.GetOutput().AnswerJson(result); | |
93 } | |
94 } | |
95 | |
96 template <enum ResourceType resourceType> | |
97 static void DeleteSingleResource(RestApi::DeleteCall& call) | |
98 { | |
99 RETRIEVE_CONTEXT(call); | |
100 | |
101 Json::Value result; | |
102 if (context.GetIndex().DeleteResource(result, call.GetUriComponent("id", ""), resourceType)) | |
103 { | |
104 call.GetOutput().AnswerJson(result); | |
105 } | |
106 } | |
107 | |
211 | 108 |
210
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109 // Changes API -------------------------------------------------------------- |
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110 |
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111 static void GetChanges(RestApi::GetCall& call) |
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112 { |
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113 RETRIEVE_CONTEXT(call); |
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114 |
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115 static const unsigned int MAX_RESULTS = 100; |
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116 ServerIndex& index = context.GetIndex(); |
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117 |
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118 //std::string filter = GetArgument(getArguments, "filter", ""); |
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119 int64_t since; |
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120 unsigned int limit; |
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121 try |
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122 { |
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123 since = boost::lexical_cast<int64_t>(call.GetArgument("since", "0")); |
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124 limit = boost::lexical_cast<unsigned int>(call.GetArgument("limit", "0")); |
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125 } |
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126 catch (boost::bad_lexical_cast) |
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127 { |
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128 return; |
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129 } |
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130 |
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131 if (limit == 0 || limit > MAX_RESULTS) |
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132 { |
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133 limit = MAX_RESULTS; |
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134 } |
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135 |
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136 Json::Value result; |
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137 if (index.GetChanges(result, since, limit)) |
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138 { |
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139 call.GetOutput().AnswerJson(result); |
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140 } |
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141 } |
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142 |
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143 |
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144 |
213
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145 // Get information about a single instance ---------------------------------- |
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146 |
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147 static void GetInstanceFile(RestApi::GetCall& call) |
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148 { |
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149 RETRIEVE_CONTEXT(call); |
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150 |
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151 CompressionType compressionType; |
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152 std::string fileUuid; |
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153 std::string publicId = call.GetUriComponent("id", ""); |
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154 |
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155 if (context.GetIndex().GetFile(fileUuid, compressionType, publicId, AttachedFileType_Dicom)) |
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156 { |
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157 assert(compressionType == CompressionType_None); |
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158 |
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159 FilesystemHttpSender sender(context.GetFileStorage(), fileUuid); |
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160 sender.SetFilename(fileUuid + ".dcm"); |
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161 sender.SetContentType("application/dicom"); |
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162 call.GetOutput().AnswerFile(sender); |
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163 } |
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164 } |
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165 |
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166 |
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167 template <bool simplify> |
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168 static void GetInstanceTags(RestApi::GetCall& call) |
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169 { |
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170 RETRIEVE_CONTEXT(call); |
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171 |
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172 CompressionType compressionType; |
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173 std::string fileUuid; |
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174 std::string publicId = call.GetUriComponent("id", ""); |
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175 |
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176 if (context.GetIndex().GetFile(fileUuid, compressionType, publicId, AttachedFileType_Json)) |
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177 { |
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178 assert(compressionType == CompressionType_None); |
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179 |
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180 Json::Value full; |
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181 ReadJson(full, context.GetFileStorage(), fileUuid); |
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182 |
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183 if (simplify) |
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184 { |
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185 Json::Value simplified; |
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186 SimplifyTags(simplified, full); |
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187 call.GetOutput().AnswerJson(simplified); |
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188 } |
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189 else |
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190 { |
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191 call.GetOutput().AnswerJson(full); |
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192 } |
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193 } |
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194 } |
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195 |
214 | 196 |
197 static void ListFrames(RestApi::GetCall& call) | |
198 { | |
199 RETRIEVE_CONTEXT(call); | |
200 | |
201 Json::Value instance; | |
202 if (context.GetIndex().LookupResource(instance, call.GetUriComponent("id", ""), ResourceType_Instance)) | |
203 { | |
204 unsigned int numberOfFrames = 1; | |
205 | |
206 try | |
207 { | |
208 Json::Value tmp = instance["MainDicomTags"]["NumberOfFrames"]; | |
209 numberOfFrames = boost::lexical_cast<unsigned int>(tmp.asString()); | |
210 } | |
211 catch (...) | |
212 { | |
213 } | |
214 | |
215 Json::Value result = Json::arrayValue; | |
216 for (unsigned int i = 0; i < numberOfFrames; i++) | |
217 { | |
218 result.append(i); | |
219 } | |
220 | |
221 call.GetOutput().AnswerJson(result); | |
222 } | |
223 } | |
224 | |
213
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225 |
210
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226 |
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227 // DICOM bridge ------------------------------------------------------------- |
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228 |
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229 static void ListModalities(RestApi::GetCall& call) |
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230 { |
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231 RETRIEVE_CONTEXT(call); |
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232 |
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233 Json::Value result = Json::arrayValue; |
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234 |
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235 for (OrthancRestApi2::Modalities::const_iterator |
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236 it = context.GetModalities().begin(); |
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237 it != context.GetModalities().end(); it++) |
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238 { |
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239 result.append(*it); |
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240 } |
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241 |
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242 call.GetOutput().AnswerJson(result); |
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243 } |
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244 |
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245 |
213
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246 |
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247 // Registration of the various REST handlers -------------------------------- |
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248 |
210
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249 OrthancRestApi2::OrthancRestApi2(ServerIndex& index, |
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250 const std::string& path) : |
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251 index_(index), |
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252 storage_(path) |
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253 { |
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254 GetListOfDicomModalities(modalities_); |
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255 |
211 | 256 Register("/", ServeRoot); |
210
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257 Register("/system", GetSystemInformation); |
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258 Register("/changes", GetChanges); |
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259 Register("/modalities", ListModalities); |
211 | 260 |
261 Register("/instances", ListResources<ResourceType_Instance>); | |
262 Register("/patients", ListResources<ResourceType_Patient>); | |
263 Register("/series", ListResources<ResourceType_Series>); | |
264 Register("/studies", ListResources<ResourceType_Study>); | |
212 | 265 |
266 Register("/instances/{id}", DeleteSingleResource<ResourceType_Instance>); | |
267 Register("/instances/{id}", GetSingleResource<ResourceType_Instance>); | |
268 Register("/patients/{id}", DeleteSingleResource<ResourceType_Patient>); | |
269 Register("/patients/{id}", GetSingleResource<ResourceType_Patient>); | |
270 Register("/series/{id}", DeleteSingleResource<ResourceType_Series>); | |
271 Register("/series/{id}", GetSingleResource<ResourceType_Series>); | |
272 Register("/studies/{id}", DeleteSingleResource<ResourceType_Study>); | |
273 Register("/studies/{id}", GetSingleResource<ResourceType_Study>); | |
213
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274 |
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275 Register("/instances/{id}/file", GetInstanceFile); |
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276 Register("/instances/{id}/tags", GetInstanceTags<false>); |
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277 Register("/instances/{id}/simplified-tags", GetInstanceTags<true>); |
214 | 278 Register("/instances/{id}/frames", ListFrames); |
213
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279 |
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280 // TODO : "content", "frames" |
210
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281 } |
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282 } |