Mercurial > hg > orthanc
annotate Plugins/Samples/ModalityWorklists/Plugin.cpp @ 3751:89bd08fdd91b
cppcheck
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 16 Mar 2020 11:22:56 +0100 |
parents | 94f4a18a79cc |
children | 6110a4995ace |
rev | line source |
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1802 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1802 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
1802 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
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11 * |
1802 | 12 * This program is distributed in the hope that it will be useful, but |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
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22 #include "../Common/OrthancPluginCppWrapper.h" |
1802 | 23 |
24 #include <boost/filesystem.hpp> | |
25 #include <json/value.h> | |
26 #include <json/reader.h> | |
27 #include <string.h> | |
28 #include <iostream> | |
1814 | 29 #include <algorithm> |
1802 | 30 |
31 static std::string folder_; | |
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32 static bool filterIssuerAet_ = false; |
1802 | 33 |
34 /** | |
35 * This is the main function for matching a DICOM worklist against a query. | |
36 **/ | |
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37 static bool MatchWorklist(OrthancPluginWorklistAnswers* answers, |
2214 | 38 const OrthancPluginWorklistQuery* query, |
39 const OrthancPlugins::FindMatcher& matcher, | |
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40 const std::string& path) |
1802 | 41 { |
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42 OrthancPlugins::MemoryBuffer dicom; |
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43 dicom.ReadFile(path); |
1802 | 44 |
2214 | 45 if (matcher.IsMatch(dicom)) |
1802 | 46 { |
47 // This DICOM file matches the worklist query, add it to the answers | |
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48 OrthancPluginErrorCode code = OrthancPluginWorklistAddAnswer |
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49 (OrthancPlugins::GetGlobalContext(), answers, query, dicom.GetData(), dicom.GetSize()); |
1802 | 50 |
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51 if (code != OrthancPluginErrorCode_Success) |
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52 { |
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53 OrthancPlugins::LogError("Error while adding an answer to a worklist request"); |
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54 ORTHANC_PLUGINS_THROW_PLUGIN_ERROR_CODE(code); |
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55 } |
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56 |
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57 return true; |
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58 } |
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59 |
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60 return false; |
1814 | 61 } |
62 | |
63 | |
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64 static OrthancPlugins::FindMatcher* CreateMatcher(const OrthancPluginWorklistQuery* query, |
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65 const char* issuerAet) |
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66 { |
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67 // Extract the DICOM instance underlying the C-Find query |
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68 OrthancPlugins::MemoryBuffer dicom; |
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69 dicom.GetDicomQuery(query); |
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70 |
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71 // Convert the DICOM as JSON, and dump it to the user in "--verbose" mode |
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72 Json::Value json; |
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73 dicom.DicomToJson(json, OrthancPluginDicomToJsonFormat_Short, |
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74 static_cast<OrthancPluginDicomToJsonFlags>(0), 0); |
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75 |
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76 OrthancPlugins::LogInfo("Received worklist query from remote modality " + |
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77 std::string(issuerAet) + ":\n" + json.toStyledString()); |
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78 |
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79 if (!filterIssuerAet_) |
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80 { |
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81 return new OrthancPlugins::FindMatcher(query); |
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82 } |
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83 else |
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84 { |
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85 // Alternative sample showing how to fine-tune an incoming C-Find |
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86 // request, before matching it against the worklist database. The |
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87 // code below will restrict the original DICOM request by |
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88 // requesting the ScheduledStationAETitle to correspond to the AET |
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89 // of the C-Find issuer. This code will make the integration test |
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90 // "test_filter_issuer_aet" succeed (cf. the orthanc-tests repository). |
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91 |
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92 static const char* SCHEDULED_PROCEDURE_STEP_SEQUENCE = "0040,0100"; |
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93 static const char* SCHEDULED_STATION_AETITLE = "0040,0001"; |
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94 static const char* PREGNANCY_STATUS = "0010,21c0"; |
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95 |
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96 if (!json.isMember(SCHEDULED_PROCEDURE_STEP_SEQUENCE)) |
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97 { |
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98 // Create a ScheduledProcedureStepSequence sequence, with one empty element |
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99 json[SCHEDULED_PROCEDURE_STEP_SEQUENCE] = Json::arrayValue; |
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100 json[SCHEDULED_PROCEDURE_STEP_SEQUENCE].append(Json::objectValue); |
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101 } |
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102 |
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103 Json::Value& v = json[SCHEDULED_PROCEDURE_STEP_SEQUENCE]; |
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104 |
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105 if (v.type() != Json::arrayValue || |
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106 v.size() != 1 || |
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107 v[0].type() != Json::objectValue) |
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108 { |
2236 | 109 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); |
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110 } |
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111 |
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112 // Set the ScheduledStationAETitle if none was provided |
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113 if (!v[0].isMember(SCHEDULED_STATION_AETITLE) || |
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114 v[0].type() != Json::stringValue || |
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115 v[0][SCHEDULED_STATION_AETITLE].asString().size() == 0 || |
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116 v[0][SCHEDULED_STATION_AETITLE].asString() == "*") |
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117 { |
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118 v[0][SCHEDULED_STATION_AETITLE] = issuerAet; |
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119 } |
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120 |
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121 if (json.isMember(PREGNANCY_STATUS) && |
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122 json[PREGNANCY_STATUS].asString().size() == 0) |
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123 { |
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124 json.removeMember(PREGNANCY_STATUS); |
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125 } |
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126 |
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127 // Encode the modified JSON as a DICOM instance, then convert it to a C-Find matcher |
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128 OrthancPlugins::MemoryBuffer modified; |
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129 modified.CreateDicom(json, OrthancPluginCreateDicomFlags_None); |
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130 |
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131 return new OrthancPlugins::FindMatcher(modified); |
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132 } |
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133 } |
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134 |
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135 |
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136 |
1802 | 137 OrthancPluginErrorCode Callback(OrthancPluginWorklistAnswers* answers, |
138 const OrthancPluginWorklistQuery* query, | |
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139 const char* issuerAet, |
1802 | 140 const char* calledAet) |
141 { | |
142 try | |
143 { | |
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144 // Construct an object to match the worklists in the database against the C-Find query |
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145 std::auto_ptr<OrthancPlugins::FindMatcher> matcher(CreateMatcher(query, issuerAet)); |
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147 // Loop over the regular files in the database folder |
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148 namespace fs = boost::filesystem; |
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150 fs::path source(folder_); |
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151 fs::directory_iterator end; |
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152 int parsedFilesCount = 0; |
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153 int matchedWorklistCount = 0; |
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154 |
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155 try |
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156 { |
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157 for (fs::directory_iterator it(source); it != end; ++it) |
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159 fs::file_type type(it->status().type()); |
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161 if (type == fs::regular_file || |
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162 type == fs::reparse_file) // cf. BitBucket issue #11 |
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164 std::string extension = fs::extension(it->path()); |
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165 std::transform(extension.begin(), extension.end(), extension.begin(), tolower); // Convert to lowercase |
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166 |
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167 if (extension == ".wl") |
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169 parsedFilesCount++; |
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170 // We found a worklist (i.e. a DICOM find with extension ".wl"), match it against the query |
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171 if (MatchWorklist(answers, query, *matcher, it->path().string())) |
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172 { |
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173 OrthancPlugins::LogInfo("Worklist matched: " + it->path().string()); |
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174 matchedWorklistCount++; |
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175 } |
1802 | 176 } |
177 } | |
178 } | |
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179 |
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180 std::ostringstream message; |
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181 message << "Worklist C-Find: parsed " << parsedFilesCount << " files, found " << matchedWorklistCount << " match(es)"; |
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182 OrthancPlugins::LogInfo(message.str()); |
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183 |
1802 | 184 } |
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185 catch (fs::filesystem_error&) |
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186 { |
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187 OrthancPlugins::LogError("Inexistent folder while scanning for worklists: " + source.string()); |
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188 return OrthancPluginErrorCode_DirectoryExpected; |
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189 } |
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190 |
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191 // Uncomment the following line if too many answers are to be returned |
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192 // OrthancPluginMarkWorklistAnswersIncomplete(OrthancPlugins::GetGlobalContext(), answers); |
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193 |
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194 return OrthancPluginErrorCode_Success; |
1802 | 195 } |
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196 catch (OrthancPlugins::PluginException& e) |
1802 | 197 { |
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198 return e.GetErrorCode(); |
1802 | 199 } |
200 } | |
201 | |
202 | |
203 extern "C" | |
204 { | |
205 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) | |
206 { | |
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207 OrthancPlugins::SetGlobalContext(c); |
1802 | 208 |
209 /* Check the version of the Orthanc core */ | |
210 if (OrthancPluginCheckVersion(c) == 0) | |
211 { | |
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212 OrthancPlugins::ReportMinimalOrthancVersion(ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
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213 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, |
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214 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); |
1802 | 215 return -1; |
216 } | |
217 | |
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218 OrthancPlugins::LogWarning("Sample worklist plugin is initializing"); |
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219 OrthancPluginSetDescription(c, "Serve DICOM modality worklists from a folder with Orthanc."); |
1802 | 220 |
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221 OrthancPlugins::OrthancConfiguration configuration; |
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222 |
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223 OrthancPlugins::OrthancConfiguration worklists; |
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224 configuration.GetSection(worklists, "Worklists"); |
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225 |
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226 bool enabled = worklists.GetBooleanValue("Enable", false); |
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227 if (enabled) |
1802 | 228 { |
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229 if (worklists.LookupStringValue(folder_, "Database")) |
1802 | 230 { |
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231 OrthancPlugins::LogWarning("The database of worklists will be read from folder: " + folder_); |
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232 OrthancPluginRegisterWorklistCallback(OrthancPlugins::GetGlobalContext(), Callback); |
1802 | 233 } |
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234 else |
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235 { |
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236 OrthancPlugins::LogError("The configuration option \"Worklists.Database\" must contain a path"); |
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237 return -1; |
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238 } |
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239 |
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240 filterIssuerAet_ = worklists.GetBooleanValue("FilterIssuerAet", false); |
1802 | 241 } |
242 else | |
243 { | |
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244 OrthancPlugins::LogWarning("Worklist server is disabled by the configuration file"); |
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245 } |
1802 | 246 |
247 return 0; | |
248 } | |
249 | |
250 | |
251 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
252 { | |
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253 OrthancPlugins::LogWarning("Sample worklist plugin is finalizing"); |
1802 | 254 } |
255 | |
256 | |
257 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
258 { | |
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259 return "worklists"; |
1802 | 260 } |
261 | |
262 | |
263 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
264 { | |
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265 return MODALITY_WORKLISTS_VERSION; |
1802 | 266 } |
267 } |