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130
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017 Osimis, Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "StructureSetLoader.h"
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23
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24 #include "../Toolbox/MessagingToolbox.h"
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25
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26 #include <Core/OrthancException.h>
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27
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28 namespace OrthancStone
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29 {
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30 class StructureSetLoader::Operation : public Orthanc::IDynamicObject
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31 {
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32 public:
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33 enum Type
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34 {
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35 Type_LoadStructureSet,
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36 Type_LookupSopInstanceUid,
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37 Type_LoadReferencedSlice
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38 };
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39
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40 private:
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41 Type type_;
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42 std::string value_;
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43
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44 public:
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45 Operation(Type type,
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46 const std::string& value) :
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47 type_(type),
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48 value_(value)
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49 {
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50 }
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51
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52 Type GetType() const
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53 {
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54 return type_;
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55 }
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56
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57 const std::string& GetIdentifier() const
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58 {
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59 return value_;
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60 }
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61 };
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62
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63
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64 void StructureSetLoader::NotifyError(const std::string& uri,
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65 Orthanc::IDynamicObject* payload)
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66 {
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67 // TODO
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68 }
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69
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70
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71 void StructureSetLoader::NotifySuccess(const std::string& uri,
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72 const void* answer,
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73 size_t answerSize,
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74 Orthanc::IDynamicObject* payload)
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75 {
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76 std::auto_ptr<Operation> op(dynamic_cast<Operation*>(payload));
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77
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78 switch (op->GetType())
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79 {
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80 case Operation::Type_LoadStructureSet:
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81 {
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82 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
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83 structureSet_.reset(new DicomStructureSet(dataset));
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84
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85 std::set<std::string> instances;
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86 structureSet_->GetReferencedInstances(instances);
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87
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88 for (std::set<std::string>::const_iterator it = instances.begin();
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89 it != instances.end(); ++it)
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90 {
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91 orthanc_.SchedulePostRequest(*this, "/tools/lookup", *it,
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92 new Operation(Operation::Type_LookupSopInstanceUid, *it));
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93 }
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94
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95 VolumeLoaderBase::NotifyGeometryReady();
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96
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97 break;
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98 }
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99
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100 case Operation::Type_LookupSopInstanceUid:
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101 {
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102 Json::Value lookup;
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103
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104 if (MessagingToolbox::ParseJson(lookup, answer, answerSize))
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105 {
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106 if (lookup.type() != Json::arrayValue ||
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107 lookup.size() != 1 ||
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108 !lookup[0].isMember("Type") ||
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109 !lookup[0].isMember("Path") ||
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110 lookup[0]["Type"].type() != Json::stringValue ||
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111 lookup[0]["ID"].type() != Json::stringValue ||
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112 lookup[0]["Type"].asString() != "Instance")
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113 {
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114 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
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115 }
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116
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117 const std::string& instance = lookup[0]["ID"].asString();
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118 orthanc_.ScheduleGetRequest(*this, "/instances/" + instance + "/tags",
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119 new Operation(Operation::Type_LoadReferencedSlice, instance));
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120 }
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121 else
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122 {
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123 // TODO
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124 }
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125
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126 break;
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127 }
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128
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129 case Operation::Type_LoadReferencedSlice:
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130 {
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131 OrthancPlugins::FullOrthancDataset dataset(answer, answerSize);
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132
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133 Orthanc::DicomMap slice;
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134 MessagingToolbox::ConvertDataset(slice, dataset);
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135 structureSet_->AddReferencedSlice(slice);
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136
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137 VolumeLoaderBase::NotifyContentChange();
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138
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139 break;
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140 }
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141
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142 default:
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143 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
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144 }
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145 }
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146
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147
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148 StructureSetLoader::StructureSetLoader(IWebService& orthanc) :
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149 orthanc_(orthanc)
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150 {
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151 }
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152
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153
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154 void StructureSetLoader::ScheduleLoadInstance(const std::string& instance)
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155 {
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156 if (structureSet_.get() != NULL)
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157 {
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158 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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159 }
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160 else
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161 {
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162 const std::string uri = "/instances/" + instance + "/tags?ignore-length=3006-0050";
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163 orthanc_.ScheduleGetRequest(*this, uri, new Operation(Operation::Type_LoadStructureSet, instance));
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164 }
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165 }
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166
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167
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168 DicomStructureSet& StructureSetLoader::GetStructureSet()
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169 {
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170 if (structureSet_.get() == NULL)
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171 {
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172 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls);
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173 }
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174 else
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175 {
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176 return *structureSet_;
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177 }
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178 }
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179 }
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