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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 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 "PrecompiledHeadersServer.h"
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34 #include "QueryRetrieveHandler.h"
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35
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36 #include "OrthancInitialization.h"
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37
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38
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39 namespace Orthanc
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40 {
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41 void QueryRetrieveHandler::Invalidate()
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42 {
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43 done_ = false;
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44 answers_.Clear();
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45 }
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46
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47
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48 void QueryRetrieveHandler::Run()
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49 {
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50 if (!done_)
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51 {
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52 ReusableDicomUserConnection::Locker locker(context_.GetReusableDicomUserConnection(), modality_);
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53 locker.GetConnection().Find(answers_, level_, query_);
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54 done_ = true;
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55 }
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56 }
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57
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58
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59 QueryRetrieveHandler::QueryRetrieveHandler(ServerContext& context) :
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60 context_(context),
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61 done_(false),
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62 level_(ResourceType_Study)
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63 {
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64 }
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65
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66
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67 void QueryRetrieveHandler::SetModality(const std::string& symbolicName)
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68 {
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69 Invalidate();
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70 modalityName_ = symbolicName;
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71 Configuration::GetDicomModalityUsingSymbolicName(modality_, symbolicName);
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72 }
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73
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74
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75 void QueryRetrieveHandler::SetLevel(ResourceType level)
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76 {
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77 Invalidate();
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78 level_ = level;
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79 }
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80
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81
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82 void QueryRetrieveHandler::SetQuery(const DicomTag& tag,
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83 const std::string& value)
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84 {
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85 Invalidate();
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86 query_.SetValue(tag, value);
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87 }
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88
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89
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90 size_t QueryRetrieveHandler::GetAnswerCount()
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91 {
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92 Run();
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93 return answers_.GetSize();
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94 }
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95
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96
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97 const DicomMap& QueryRetrieveHandler::GetAnswer(size_t i)
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98 {
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99 Run();
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100
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101 if (i >= answers_.GetSize())
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102 {
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103 throw OrthancException(ErrorCode_ParameterOutOfRange);
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104 }
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105
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106 return answers_.GetAnswer(i);
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107 }
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108
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109
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110 void QueryRetrieveHandler::Retrieve(const std::string& target,
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111 size_t i)
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112 {
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113 Run();
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114
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115 if (i >= answers_.GetSize())
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116 {
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117 throw OrthancException(ErrorCode_ParameterOutOfRange);
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118 }
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119
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120 ReusableDicomUserConnection::Locker locker(context_.GetReusableDicomUserConnection(), modality_);
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121 locker.GetConnection().Move(target, answers_.GetAnswer(i));
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122 }
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123
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124
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125 void QueryRetrieveHandler::Retrieve(const std::string& target)
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126 {
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127 for (size_t i = 0; i < GetAnswerCount(); i++)
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128 {
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129 Retrieve(target, i);
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130 }
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131 }
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132 }
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