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annotate OrthancFramework/Sources/HttpServer/IWebDavBucket.cpp @ 4226:7bd5eab3ba25

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prototyping IWebDavBucket
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sun, 04 Oct 2020 13:23:53 +0200
parents
children c8c0bbaaace3
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4226
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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 * Copyright (C) 2017-2020 Osimis S.A., 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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #include "../PrecompiledHeaders.h"
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24 #include "IWebDavBucket.h"
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25
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26 #include "../OrthancException.h"
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27 #include "../Toolbox.h"
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28
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29
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30 static boost::posix_time::ptime GetNow()
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31 {
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32 return boost::posix_time::second_clock::universal_time();
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33 }
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34
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35
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36 static std::string AddTrailingSlash(const std::string& s)
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37 {
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38 if (s.empty() ||
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39 s[s.size() - 1] != '/')
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40 {
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41 return s + '/';
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42 }
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43 else
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44 {
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45 return s;
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46 }
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47 }
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48
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49
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50 namespace Orthanc
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51 {
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52 void IWebDavBucket::Resource::SetNameInternal(const std::string& name)
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53 {
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54 if (name.find('/') != std::string::npos ||
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55 name.find('\\') != std::string::npos ||
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56 name.find('\0') != std::string::npos)
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57 {
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58 throw OrthancException(ErrorCode_ParameterOutOfRange,
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59 "Bad resource name for WebDAV: " + name);
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60 }
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61
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62 name_ = name;
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63 }
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64
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65
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66 IWebDavBucket::Resource::Resource() :
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67 hasModificationTime_(false),
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68 creationTime_(GetNow()),
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69 modificationTime_(GetNow())
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70 {
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71 }
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72
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73
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74 void IWebDavBucket::Resource::SetCreationTime(const boost::posix_time::ptime& t)
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75 {
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76 creationTime_ = t;
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77
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78 if (!hasModificationTime_)
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79 {
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80 modificationTime_ = t;
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81 }
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82 }
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83
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84
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85 void IWebDavBucket::Resource::SetModificationTime(const boost::posix_time::ptime& t)
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86 {
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87 modificationTime_ = t;
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88 hasModificationTime_ = true;
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89 }
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90
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91
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92 void IWebDavBucket::Resource::Format(pugi::xml_node& node,
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93 const std::string& parentPath) const
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94 {
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95 node.set_name("D:response");
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96
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97 std::string s = AddTrailingSlash(parentPath) + GetName();
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98 node.append_child("D:href").append_child(pugi::node_pcdata).set_value(s.c_str());
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99
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100 pugi::xml_node propstat = node.append_child("D:propstat");
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101 propstat.append_child("D:status").append_child(pugi::node_pcdata).
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102 set_value("HTTP/1.1 200 OK");
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103
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104 pugi::xml_node prop = propstat.append_child("D:prop");
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105
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106 // IMPORTANT: The "Z" suffix is mandatory on Windows >= 7
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107 s = boost::posix_time::to_iso_extended_string(GetCreationTime()) + "Z";
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108 prop.append_child("D:creationdate").append_child(pugi::node_pcdata).set_value(s.c_str());
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109
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110 s = boost::posix_time::to_iso_extended_string(GetModificationTime()) + "Z";
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111 prop.append_child("D:getlastmodified").append_child(pugi::node_pcdata).set_value(s.c_str());
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112
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113 #if 0
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114 prop.append_child("D:lockdiscovery");
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115 pugi::xml_node lock = prop.append_child("D:supportedlock");
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116
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117 pugi::xml_node lockentry = lock.append_child("D:lockentry");
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118 lockentry.append_child("D:lockscope").append_child("D:exclusive");
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119 lockentry.append_child("D:locktype").append_child("D:write");
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120
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121 lockentry = lock.append_child("D:lockentry");
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122 lockentry.append_child("D:lockscope").append_child("D:shared");
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123 lockentry.append_child("D:locktype").append_child("D:write");
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124 #endif
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125 }
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126
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127
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128 IWebDavBucket::File::File(const std::string& name) :
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129 contentLength_(0),
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130 mime_(MimeType_Binary)
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131 {
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132 if (name.empty())
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133 {
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134 throw OrthancException(ErrorCode_ParameterOutOfRange,
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135 "Cannot use an empty filename in WebDAV");
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136 }
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137
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138 SetNameInternal(name);
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139 }
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140
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141
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142 void IWebDavBucket::File::Format(pugi::xml_node& node,
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143 const std::string& parentPath) const
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144 {
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145 Resource::Format(node, parentPath);
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146
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147 pugi::xml_node prop = node.first_element_by_path("D:propstat/D:prop");
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148 prop.append_child("D:resourcetype");
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149
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150 std::string s = boost::lexical_cast<std::string>(contentLength_);
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151 prop.append_child("D:getcontentlength").append_child(pugi::node_pcdata).set_value(s.c_str());
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152
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153 s = EnumerationToString(mime_);
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154 prop.append_child("D:getcontenttype").append_child(pugi::node_pcdata).set_value(s.c_str());
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155
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156 prop.append_child("D:displayname").append_child(pugi::node_pcdata).set_value(GetName().c_str());
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157 }
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158
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159
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160 void IWebDavBucket::Folder::Format(pugi::xml_node& node,
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161 const std::string& parentPath) const
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162 {
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163 Resource::Format(node, parentPath);
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164
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165 pugi::xml_node prop = node.first_element_by_path("D:propstat/D:prop");
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166 prop.append_child("D:resourcetype").append_child("D:collection");
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167
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168 //prop.append_child("D:getcontenttype").append_child(pugi::node_pcdata).set_value("httpd/unix-directory");
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169
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170 std::string s = GetName();
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171 prop.append_child("D:displayname").append_child(pugi::node_pcdata).set_value(s.c_str());
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172 }
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173
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174
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175 IWebDavBucket::Collection::~Collection()
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176 {
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177 for (std::list<Resource*>::iterator it = resources_.begin(); it != resources_.end(); ++it)
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178 {
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179 assert(*it != NULL);
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180 delete(*it);
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181 }
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182 }
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183
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184
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185 void IWebDavBucket::Collection::AddResource(Resource* resource) // Takes ownership
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186 {
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187 if (resource == NULL)
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188 {
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189 throw OrthancException(ErrorCode_NullPointer);
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190 }
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191 else
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192 {
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193 resources_.push_back(resource);
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194 }
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195 }
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196
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197
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198 void IWebDavBucket::Collection::Format(std::string& target,
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199 const std::string& parentPath) const
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200 {
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201 pugi::xml_document doc;
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202
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203 pugi::xml_node root = doc.append_child("D:multistatus");
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204 root.append_attribute("xmlns:D").set_value("DAV:");
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205
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206 for (std::list<Resource*>::const_iterator
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207 it = resources_.begin(); it != resources_.end(); ++it)
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208 {
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209 assert(*it != NULL);
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210 pugi::xml_node n = root.append_child();
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211 (*it)->Format(n, parentPath);
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212 }
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213
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214 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration);
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215 decl.append_attribute("version").set_value("1.0");
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216 decl.append_attribute("encoding").set_value("UTF-8");
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217
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218 Toolbox::XmlToString(target, doc);
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219 }
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220 }