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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * 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 #pragma once
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34
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975
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35 #include "RestApiGetCall.h"
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36 #include "RestApiPostCall.h"
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37 #include "RestApiPutCall.h"
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38 #include "RestApiDeleteCall.h"
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969
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39
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40 namespace Orthanc
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41 {
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42 class RestApiHierarchy
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43 {
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44 private:
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972
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45 class Handlers
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969
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46 {
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972
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47 private:
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975
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48 RestApiGetCall::Handler getHandler_;
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49 RestApiPostCall::Handler postHandler_;
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50 RestApiPutCall::Handler putHandler_;
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974
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51 RestApiDeleteCall::Handler deleteHandler_;
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52
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972
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53 public:
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54 Handlers();
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55
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56 bool HasHandler(HttpMethod method) const;
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57
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974
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58 RestApiGetCall::Handler GetGetHandler() const;
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972
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59
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974
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60 RestApiPutCall::Handler GetPutHandler() const;
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972
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61
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62 RestApiPostCall::Handler GetPostHandler() const;
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63
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64 RestApiDeleteCall::Handler GetDeleteHandler() const;
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65
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974
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66 void Register(RestApiGetCall::Handler handler)
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67 {
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972
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68 getHandler_ = handler;
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969
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69 }
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70
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974
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71 void Register(RestApiPutCall::Handler handler)
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72 {
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972
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73 putHandler_ = handler;
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969
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74 }
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75
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974
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76 void Register(RestApiPostCall::Handler handler)
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77 {
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972
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78 postHandler_ = handler;
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79 }
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80
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81 void Register(RestApiDeleteCall::Handler handler)
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82 {
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972
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83 deleteHandler_ = handler;
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84 }
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85
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86 bool IsEmpty() const;
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87 };
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88
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89
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90 typedef std::map<std::string, RestApiHierarchy*> Children;
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91 typedef bool (*ResourceCallback) (Handlers& handlers,
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92 const UriComponents& uri,
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93 const HttpHandler::Arguments& components,
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94 const UriComponents& trailing,
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95 void* call);
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96
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97 Handlers handlers_;
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98 Children children_;
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99 Children wildcardChildren_;
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100 Handlers universalHandlers_;
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101
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102
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103 static RestApiHierarchy& AddChild(Children& children,
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104 const std::string& name);
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105
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106 static void DeleteChildren(Children& children);
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107
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108 template <typename Handler>
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109 void RegisterInternal(const RestApiPath& path,
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110 Handler handler,
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111 size_t level);
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112
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113 bool LookupHandler(HttpHandler::Arguments& components,
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114 const UriComponents& uri,
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115 ResourceCallback callback,
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116 size_t level,
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117 void* call);
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118
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119 bool GetDirectory(Json::Value& result,
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120 const UriComponents& uri,
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121 size_t level);
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122
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123 static bool GetCallback(Handlers& handlers,
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124 const UriComponents& uri,
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125 const HttpHandler::Arguments& components,
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126 const UriComponents& trailing,
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127 void* call);
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128
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129 static bool PostCallback(Handlers& handlers,
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130 const UriComponents& uri,
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131 const HttpHandler::Arguments& components,
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132 const UriComponents& trailing,
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133 void* call);
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134
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135 static bool PutCallback(Handlers& handlers,
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136 const UriComponents& uri,
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137 const HttpHandler::Arguments& components,
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138 const UriComponents& trailing,
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139 void* call);
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140
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141 static bool DeleteCallback(Handlers& handlers,
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142 const UriComponents& uri,
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143 const HttpHandler::Arguments& components,
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144 const UriComponents& trailing,
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145 void* call);
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146
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147
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148 public:
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149 ~RestApiHierarchy();
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150
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970
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151 void Register(const std::string& uri,
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152 RestApiGetCall::Handler handler);
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969
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153
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970
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154 void Register(const std::string& uri,
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155 RestApiPutCall::Handler handler);
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156
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970
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157 void Register(const std::string& uri,
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158 RestApiPostCall::Handler handler);
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969
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159
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970
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160 void Register(const std::string& uri,
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161 RestApiDeleteCall::Handler handler);
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969
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162
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163 void CreateSiteMap(Json::Value& target) const;
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164
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165 bool GetDirectory(Json::Value& result,
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166 const UriComponents& uri)
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167 {
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168 return GetDirectory(result, uri, 0);
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169 }
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170
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974
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171 bool Handle(RestApiGetCall& call,
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969
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172 const UriComponents& uri);
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173
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974
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174 bool Handle(RestApiPutCall& call,
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969
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175 const UriComponents& uri);
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176
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974
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177 bool Handle(RestApiPostCall& call,
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969
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178 const UriComponents& uri);
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179
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180 bool Handle(RestApiDeleteCall& call,
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181 const UriComponents& uri);
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182 };
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183 }
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