Mercurial > hg > orthanc
annotate Plugins/Samples/Common/SimplifiedOrthancDataset.cpp @ 2205:395522e46b2b
refactoring of the worklist sample using OrthancPluginCppWrapper
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 08 Dec 2016 16:16:25 +0100 |
parents | 71b8bec8ca91 |
children | 403d92d8df83 |
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) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, 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 "SimplifiedOrthancDataset.h" |
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34 |
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35 #include "OrthancPluginCppWrapper.h" |
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36 |
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37 namespace OrthancPlugins |
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38 { |
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39 const Json::Value* SimplifiedOrthancDataset::LookupPath(const DicomPath& path) const |
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40 { |
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41 const Json::Value* content = &root_; |
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42 |
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43 for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) |
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44 { |
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45 const char* name = path.GetPrefixTag(depth).GetName(); |
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46 if (content->type() != Json::objectValue) |
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47 { |
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48 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); |
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49 } |
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50 |
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51 if (!content->isMember(name)) |
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52 { |
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53 return NULL; |
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54 } |
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55 |
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56 const Json::Value& sequence = (*content) [name]; |
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57 if (sequence.type() != Json::arrayValue) |
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58 { |
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59 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); |
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60 } |
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61 |
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62 size_t index = path.GetPrefixIndex(depth); |
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63 if (index >= sequence.size()) |
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64 { |
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65 return NULL; |
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66 } |
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67 else |
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68 { |
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69 content = &sequence[static_cast<Json::Value::ArrayIndex>(index)]; |
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70 } |
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71 } |
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72 |
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73 const char* name = path.GetFinalTag().GetName(); |
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74 |
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75 if (content->type() != Json::objectValue) |
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76 { |
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77 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); |
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78 } |
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79 if (!content->isMember(name)) |
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80 { |
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81 return NULL; |
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82 } |
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83 else |
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84 { |
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85 return &((*content) [name]); |
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86 } |
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87 } |
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88 |
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89 |
2180 | 90 void SimplifiedOrthancDataset::CheckRoot() const |
91 { | |
92 if (root_.type() != Json::objectValue) | |
93 { | |
94 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); | |
95 } | |
96 } | |
97 | |
98 | |
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99 SimplifiedOrthancDataset::SimplifiedOrthancDataset(IOrthancConnection& orthanc, |
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100 const std::string& uri) |
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101 { |
2180 | 102 IOrthancConnection::RestApiGet(root_, orthanc, uri); |
103 CheckRoot(); | |
104 } | |
105 | |
106 | |
107 SimplifiedOrthancDataset::SimplifiedOrthancDataset(const std::string& content) | |
108 { | |
109 IOrthancConnection::ParseJson(root_, content); | |
110 CheckRoot(); | |
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111 } |
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112 |
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113 |
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114 bool SimplifiedOrthancDataset::GetStringValue(std::string& result, |
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115 const DicomPath& path) const |
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116 { |
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117 const Json::Value* value = LookupPath(path); |
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118 |
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119 if (value == NULL) |
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120 { |
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121 return false; |
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122 } |
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123 else if (value->type() != Json::stringValue) |
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124 { |
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125 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); |
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126 } |
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127 else |
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128 { |
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129 result = value->asString(); |
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130 return true; |
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131 } |
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132 } |
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133 |
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134 |
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135 bool SimplifiedOrthancDataset::GetSequenceSize(size_t& size, |
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136 const DicomPath& path) const |
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137 { |
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138 const Json::Value* sequence = LookupPath(path); |
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139 |
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140 if (sequence == NULL) |
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141 { |
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142 // Inexistent path |
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143 return false; |
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144 } |
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145 else if (sequence->type() != Json::arrayValue) |
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146 { |
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147 // Not a sequence |
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148 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); |
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149 } |
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150 else |
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151 { |
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152 size = sequence->size(); |
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153 return true; |
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154 } |
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155 } |
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156 } |