1 | <?xml version="1.0" encoding="UTF-8"?> |
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2 | <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" |
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3 | xmlns:h="http://www.w3.org/1999/xhtml" |
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4 | xmlns:vc="http://www.w3.org/2007/XMLSchema-versioning" |
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5 | xmlns:ed="http://clarin.eu/fcs/endpoint-description" |
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6 | xml:lang="en" |
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7 | vc:minVersion="1.0" vc:maxVersion="1.1" |
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8 | elementFormDefault="qualified" |
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9 | targetNamespace="http://clarin.eu/fcs/endpoint-description"> |
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10 | <xs:import namespace="http://www.w3.org/XML/1998/namespace" |
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11 | schemaLocation="http://www.w3.org/2001/xml.xsd" /> |
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12 | |
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13 | <xs:annotation> |
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14 | <xs:documentation> |
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15 | <h:p> |
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16 | This schema defines the structure of an extension to SRU/CQL |
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17 | used by CLARIN-FCS. |
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18 | </h:p> |
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19 | <h:p> |
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20 | An Endpoint MUST provide this information in the |
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21 | <h:code><extraResponseData></h:code> element of the result |
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22 | to an <h:em>explain</h:em> operation, if (and only if) a |
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23 | CLARIN-FCS client performed the request with the |
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24 | <h:code>x-clarin-fcs-endpoint-description</h:code> extra |
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25 | request parameter with a value of <h:code>true</h:code>. |
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26 | </h:p> |
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27 | </xs:documentation> |
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28 | </xs:annotation> |
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29 | |
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30 | <xs:element name="EndpointDescription"> |
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31 | <xs:annotation> |
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32 | <xs:documentation> |
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33 | <h:p> |
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34 | The root element of the Endpoint description extension for |
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35 | CLARIN-FCS extension. |
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36 | </h:p> |
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37 | <h:p> |
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38 | An Endpoint MUST provide this information in the |
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39 | <h:code><extraResponseData></h:code> |
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40 | element of the result to an <h:em>explain</h:em> operation, |
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41 | if (and only if) a CLARIN-FCS client performed the request |
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42 | with the <h:code>x-clarin-fcs-endpoint-description</h:code> |
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43 | extra request parameter with a value of <h:code>true</h:code>. |
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44 | </h:p> |
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45 | </xs:documentation> |
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46 | </xs:annotation> |
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47 | <xs:complexType> |
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48 | <xs:sequence> |
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49 | <!-- Capabilities --> |
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50 | <xs:element name="Capabilities"> |
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51 | <xs:annotation> |
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52 | <xs:documentation> |
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53 | <h:p>A list of Capabilities, that are supported by this Endpoint.</h:p> |
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54 | </xs:documentation> |
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55 | </xs:annotation> |
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56 | <xs:complexType> |
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57 | <xs:sequence> |
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58 | <xs:element name="Capability" maxOccurs="unbounded"> |
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59 | <xs:annotation> |
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60 | <xs:documentation> |
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61 | A Capability, encoded by an URI, that is supported by this Endpoint. |
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62 | For valid URIs, consult the CLARIN-FCS specification. |
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63 | </xs:documentation> |
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64 | </xs:annotation> |
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65 | <xs:simpleType> |
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66 | <xs:restriction base="xs:anyURI"> |
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67 | <xs:pattern value="http://clarin.eu/fcs/capability/\w([\.\-]{0,1}\w)*" /> |
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68 | </xs:restriction> |
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69 | </xs:simpleType> |
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70 | </xs:element> |
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71 | </xs:sequence> |
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72 | </xs:complexType> |
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73 | </xs:element> |
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74 | |
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75 | <!-- SupportedDataViews --> |
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76 | <xs:element name="SupportedDataViews"> |
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77 | <xs:annotation> |
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78 | <xs:documentation> |
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79 | <h:p> A list of Data Views, that are supported |
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80 | by this Endpoint. </h:p> |
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81 | </xs:documentation> |
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82 | </xs:annotation> |
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83 | <xs:complexType> |
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84 | <xs:sequence> |
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85 | <xs:element name="SupportedDataView" maxOccurs="unbounded"> |
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86 | <xs:annotation> |
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87 | <xs:documentation> |
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88 | The MIME type of a supported Data View. |
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89 | </xs:documentation> |
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90 | </xs:annotation> |
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91 | <xs:complexType> |
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92 | <xs:simpleContent> |
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93 | <xs:extension base="ed:mimetypeString"> |
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94 | <xs:attribute name="id" type="xs:ID" use="required"> |
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95 | <xs:annotation> |
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96 | <xs:documentation> |
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97 | <h:p> |
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98 | An unique ID for this support Data View. This value will be used, |
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99 | when referencing in the <AvailableDataViews> element in |
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100 | the <Resource> description. |
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101 | </h:p> |
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102 | </xs:documentation> |
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103 | </xs:annotation> |
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104 | </xs:attribute> |
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105 | <xs:attribute name="delivery-policy" use="required"> |
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106 | <xs:annotation> |
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107 | <xs:documentation> |
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108 | <h:p> |
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109 | This attribute indicated the <h:em>delivery policy</h:em> of this supported Data View. |
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110 | </h:p> |
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111 | </xs:documentation> |
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112 | </xs:annotation> |
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113 | <xs:simpleType> |
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114 | <xs:restriction base="xs:string"> |
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115 | <xs:enumeration value="send-by-default"> |
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116 | <xs:annotation> |
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117 | <xs:documentation> |
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118 | <h:p> |
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119 | This Data View is automatically sent by the Endpoint for supported Resources. |
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120 | </h:p> |
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121 | </xs:documentation> |
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122 | </xs:annotation> |
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123 | </xs:enumeration> |
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124 | <xs:enumeration value="need-to-request"> |
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125 | <xs:annotation> |
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126 | <xs:documentation> |
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127 | <h:p> |
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128 | This Data View needs to be explicatively requested by the Client. |
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129 | </h:p> |
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130 | </xs:documentation> |
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131 | </xs:annotation> |
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132 | </xs:enumeration> |
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133 | </xs:restriction> |
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134 | </xs:simpleType> |
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135 | </xs:attribute> |
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136 | </xs:extension> |
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137 | </xs:simpleContent> |
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138 | </xs:complexType> |
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139 | </xs:element> |
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140 | </xs:sequence> |
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141 | </xs:complexType> |
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142 | </xs:element> |
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143 | |
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144 | <!-- Resources --> |
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145 | <xs:element ref="ed:Resources"> |
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146 | <xs:annotation> |
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147 | <xs:documentation> |
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148 | <h:p> |
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149 | A list of top-level resources, that are available |
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150 | at an Endpoint. An Endpoint MUST |
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151 | declare at least one top-level resource. |
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152 | </h:p> |
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153 | </xs:documentation> |
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154 | </xs:annotation> |
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155 | </xs:element> |
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156 | |
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157 | <!-- extension point --> |
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158 | <xs:any namespace="##other" processContents="skip" minOccurs="0" maxOccurs="unbounded"> |
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159 | <xs:annotation> |
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160 | <xs:documentation> |
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161 | <h:p> |
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162 | Extension point to allow Endpoints to embed custom data in the Endpoint Description. |
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163 | CLARIN-FCS clients SHOULD ignore any data they do not understand. |
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164 | </h:p> |
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165 | </xs:documentation> |
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166 | </xs:annotation> |
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167 | </xs:any> |
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168 | </xs:sequence> |
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169 | <xs:attribute name="version" type="xs:nonNegativeInteger" use="required"> |
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170 | <xs:annotation> |
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171 | <xs:documentation> |
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172 | <h:p> |
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173 | Version used for Endpoint Description. Endpoints MUST use the value "1". |
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174 | </h:p> |
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175 | </xs:documentation> |
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176 | </xs:annotation> |
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177 | </xs:attribute> |
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178 | </xs:complexType> |
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179 | </xs:element> |
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180 | |
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181 | <xs:element name="Resources"> |
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182 | <xs:annotation> |
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183 | <xs:documentation> |
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184 | <h:p> |
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185 | A list of resources, that are available |
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186 | at an Endpoint. An Endpoint MUST |
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187 | declare at least one resource. |
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188 | </h:p> |
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189 | </xs:documentation> |
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190 | </xs:annotation> |
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191 | <xs:complexType> |
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192 | <xs:sequence> |
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193 | <xs:element ref="ed:Resource" maxOccurs="unbounded"/> |
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194 | </xs:sequence> |
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195 | </xs:complexType> |
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196 | </xs:element> |
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197 | |
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198 | <xs:element name="Resource"> |
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199 | <xs:annotation> |
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200 | <xs:documentation> |
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201 | <h:p> |
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202 | Detailed description of a resource that is available at an |
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203 | Endpoint. A resource is a searchable |
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204 | entity at an Endpoint, e.g. a single corpus. |
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205 | </h:p> |
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206 | </xs:documentation> |
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207 | </xs:annotation> |
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208 | <xs:complexType> |
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209 | <xs:sequence> |
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210 | <xs:element name="Title" type="ed:i18nString" maxOccurs="unbounded"> |
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211 | <xs:annotation> |
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212 | <xs:documentation> |
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213 | <h:p> |
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214 | A human readable title for the resource. An English version is |
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215 | mandatory. |
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216 | </h:p> |
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217 | </xs:documentation> |
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218 | </xs:annotation> |
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219 | </xs:element> |
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220 | |
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221 | <xs:element name="Description" type="ed:i18nString" minOccurs="0" maxOccurs="unbounded"> |
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222 | <xs:annotation> |
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223 | <xs:documentation> |
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224 | <h:p> |
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225 | An optional human-readable description of the resource. Is should |
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226 | be at most one sentence. If supplied, an English version is |
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227 | mandatory. |
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228 | </h:p> |
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229 | </xs:documentation> |
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230 | </xs:annotation> |
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231 | </xs:element> |
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232 | |
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233 | <xs:element name="LandingPageURI" type="xs:anyURI" minOccurs="0"> |
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234 | <xs:annotation> |
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235 | <xs:documentation> |
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236 | <h:p> |
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237 | A link to a website for the resource, e.g. a landing page for a corpus. |
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238 | </h:p> |
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239 | </xs:documentation> |
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240 | </xs:annotation> |
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241 | </xs:element> |
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242 | |
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243 | <xs:element name="Languages"> |
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244 | <xs:annotation> |
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245 | <xs:documentation> |
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246 | <h:p> |
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247 | The (relevant) languages available <h:em>within</h:em> the resource. |
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248 | </h:p> |
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249 | </xs:documentation> |
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250 | </xs:annotation> |
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251 | <xs:complexType> |
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252 | <xs:sequence> |
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253 | <xs:element name="Language" maxOccurs="unbounded"> |
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254 | <xs:annotation> |
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255 | <xs:documentation> |
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256 | <p> |
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257 | A ISO 639-3 three letter language code. This |
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258 | element should be repeated for all languages |
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259 | (relevant) available <h:em>within</h:em> the resource. |
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260 | </p> |
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261 | </xs:documentation> |
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262 | </xs:annotation> |
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263 | <xs:simpleType> |
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264 | <xs:restriction base="xs:string"> |
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265 | <xs:pattern value="[a-zA-Z]{3}"/> |
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266 | </xs:restriction> |
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267 | </xs:simpleType> |
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268 | </xs:element> |
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269 | </xs:sequence> |
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270 | </xs:complexType> |
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271 | </xs:element> |
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272 | |
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273 | <xs:element name="AvailableDataViews"> |
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274 | <xs:annotation> |
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275 | <xs:documentation> |
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276 | <h:p> |
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277 | This element contains a reference to all Data Views that are |
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278 | supported by this resource in the <h:code>@ref</h:code> attribute. |
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279 | </h:p> |
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280 | </xs:documentation> |
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281 | </xs:annotation> |
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282 | <xs:complexType> |
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283 | <xs:attribute name="ref" type="xs:IDREFS" use="required" /> |
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284 | </xs:complexType> |
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285 | </xs:element> |
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286 | |
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287 | <xs:element ref="ed:Resources" minOccurs="0"> |
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288 | <xs:annotation> |
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289 | <xs:documentation> |
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290 | <h:p> |
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291 | If a resource has searchable sub-resources |
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292 | the Endpoint MUST supply additional finer grained |
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293 | <Resource> elements. A sub-resource is a |
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294 | searchable entity within a resource, e.g. a sub-corpus. |
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295 | </h:p> |
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296 | </xs:documentation> |
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297 | </xs:annotation> |
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298 | </xs:element> |
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299 | |
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300 | <!-- extension point --> |
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301 | <xs:any namespace="##other" processContents="skip" minOccurs="0" maxOccurs="unbounded"> |
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302 | <xs:annotation> |
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303 | <xs:documentation> |
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304 | <h:p> |
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305 | Extension point to allow Endpoints to embed custom data in the Endpoint Description |
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306 | for a specific resource. CLARIN-FCS clients SHOULD ignore any data they do not understand. |
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307 | </h:p> |
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308 | </xs:documentation> |
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309 | </xs:annotation> |
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310 | </xs:any> |
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311 | </xs:sequence> |
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312 | <xs:attribute name="pid" type="xs:anyURI" use="required"> |
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313 | <xs:annotation> |
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314 | <xs:documentation> |
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315 | <h:p> |
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316 | The persistent identifier of this resource. This |
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317 | value MUST be the same as the <h:code>MdSelfLink</h:code> |
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318 | of the CMDI record describing the collection. |
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319 | </h:p> |
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320 | </xs:documentation> |
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321 | </xs:annotation> |
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322 | </xs:attribute> |
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323 | </xs:complexType> |
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324 | </xs:element> |
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325 | |
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326 | <xs:simpleType name="mimetypeString"> |
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327 | <xs:restriction base="xs:string"> |
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328 | <xs:pattern value="\w+/\w([\.\-]{0,1}\w)*(\+\w+){0,1}" /> |
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329 | </xs:restriction> |
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330 | </xs:simpleType> |
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331 | |
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332 | <xs:complexType name="i18nString"> |
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333 | <xs:simpleContent> |
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334 | <xs:extension base="xs:string"> |
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335 | <xs:attribute ref="xml:lang" use="required" /> |
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336 | </xs:extension> |
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337 | </xs:simpleContent> |
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338 | </xs:complexType> |
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339 | </xs:schema> |
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