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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 Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #include "PluginOrthancConnection.h"
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22
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23 #include "../Orthanc/Core/OrthancException.h"
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24
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25 namespace OrthancWSI
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26 {
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27 class PluginOrthancConnection::MemoryBuffer : public boost::noncopyable
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28 {
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29 private:
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30 OrthancPluginContext* context_;
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31 OrthancPluginMemoryBuffer buffer_;
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32
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33 void Clear()
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34 {
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35 if (buffer_.data != NULL)
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36 {
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37 OrthancPluginFreeMemoryBuffer(context_, &buffer_);
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38 buffer_.data = NULL;
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39 buffer_.size = 0;
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40 }
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41 }
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42
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43
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44 public:
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45 MemoryBuffer(OrthancPluginContext* context) :
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46 context_(context)
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47 {
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48 buffer_.data = NULL;
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49 buffer_.size = 0;
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50 }
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51
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52 ~MemoryBuffer()
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53 {
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54 Clear();
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55 }
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56
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57 void RestApiGet(const std::string& uri)
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58 {
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59 Clear();
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60
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61 OrthancPluginErrorCode error = OrthancPluginRestApiGet(context_, &buffer_, uri.c_str());
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62
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63 if (error == OrthancPluginErrorCode_Success)
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64 {
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65 // OK, success
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66 }
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67 else if (error == OrthancPluginErrorCode_UnknownResource ||
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68 error == OrthancPluginErrorCode_InexistentItem)
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69 {
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70 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
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71 }
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72 else
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73 {
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74 throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin);
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75 }
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76 }
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77
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78 void RestApiPost(const std::string& uri,
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79 const std::string& body)
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80 {
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81 Clear();
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82
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83 OrthancPluginErrorCode error = OrthancPluginRestApiPost(context_, &buffer_, uri.c_str(), body.c_str(), body.size());
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84
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85 if (error == OrthancPluginErrorCode_Success)
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86 {
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87 // OK, success
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88 }
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89 else if (error == OrthancPluginErrorCode_UnknownResource ||
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90 error == OrthancPluginErrorCode_InexistentItem)
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91 {
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92 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
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93 }
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94 else
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95 {
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96 throw Orthanc::OrthancException(Orthanc::ErrorCode_Plugin);
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97 }
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98 }
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99
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100 void ToString(std::string& target) const
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101 {
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102 if (buffer_.size == 0)
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103 {
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104 target.clear();
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105 }
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106 else
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107 {
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108 target.assign(reinterpret_cast<const char*>(buffer_.data), buffer_.size);
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109 }
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110 }
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111 };
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112
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113
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114
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115 void PluginOrthancConnection::ApplyGet(std::string& result,
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116 const std::string& uri)
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117 {
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118 MemoryBuffer buffer(context_);
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119 buffer.RestApiGet(uri);
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120 buffer.ToString(result);
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121 }
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122
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123
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124 void PluginOrthancConnection::ApplyPost(std::string& result,
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125 const std::string& uri,
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126 const std::string& body)
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127 {
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128 MemoryBuffer buffer(context_);
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129 buffer.RestApiPost(uri, body);
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130 buffer.ToString(result);
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131 }
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132 }
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