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/* Copyright (c) 2006-2013 by OpenLayers Contributors (see authors.txt for
* full list of contributors). Published under the 2-clause BSD license.
* See license.txt in the OpenLayers distribution or repository for the
* full text of the license. */
/**
* @requires OpenLayers/Format/WMTSCapabilities.js
* @requires OpenLayers/Format/OWSCommon/v1_1_0.js
*/
/**
* Class: OpenLayers.Format.WMTSCapabilities.v1_0_0
* Read WMTS Capabilities version 1.0.0.
*
* Inherits from:
* - <OpenLayers.Format.WMTSCapabilities>
*/
OpenLayers.Format.WMTSCapabilities.v1_0_0 = OpenLayers.Class(
OpenLayers.Format.OWSCommon.v1_1_0, {
/**
* Property: version
* {String} The parser version ("1.0.0").
*/
version: "1.0.0",
/**
* Property: namespaces
* {Object} Mapping of namespace aliases to namespace URIs.
*/
namespaces: {
ows: "http://www.opengis.net/ows/1.1",
wmts: "http://www.opengis.net/wmts/1.0",
xlink: "http://www.w3.org/1999/xlink"
},
/**
* Property: yx
* {Object} Members in the yx object are used to determine if a CRS URN
* corresponds to a CRS with y,x axis order. Member names are CRS URNs
* and values are boolean. Defaults come from the
* <OpenLayers.Format.WMTSCapabilities> prototype.
*/
yx: null,
/**
* Property: defaultPrefix
* {String} The default namespace alias for creating element nodes.
*/
defaultPrefix: "wmts",
/**
* Constructor: OpenLayers.Format.WMTSCapabilities.v1_0_0
* Create a new parser for WMTS capabilities version 1.0.0.
*
* Parameters:
* options - {Object} An optional object whose properties will be set on
* this instance.
*/
initialize: function(options) {
OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
this.options = options;
var yx = OpenLayers.Util.extend(
{}, OpenLayers.Format.WMTSCapabilities.prototype.yx
);
this.yx = OpenLayers.Util.extend(yx, this.yx);
},
/**
* APIMethod: read
* Read capabilities data from a string, and return info about the WMTS.
*
* Parameters:
* data - {String} or {DOMElement} data to read/parse.
*
* Returns:
* {Object} Information about the SOS service.
*/
read: function(data) {
if(typeof data == "string") {
data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
}
if(data && data.nodeType == 9) {
data = data.documentElement;
}
var capabilities = {};
this.readNode(data, capabilities);
capabilities.version = this.version;
return capabilities;
},
/**
* Property: readers
* Contains public functions, grouped by namespace prefix, that will
* be applied when a namespaced node is found matching the function
* name. The function will be applied in the scope of this parser
* with two arguments: the node being read and a context object passed
* from the parent.
*/
readers: {
"wmts": {
"Capabilities": function(node, obj) {
this.readChildNodes(node, obj);
},
"Contents": function(node, obj) {
obj.contents = {};
obj.contents.layers = [];
obj.contents.tileMatrixSets = {};
this.readChildNodes(node, obj.contents);
},
"Layer": function(node, obj) {
var layer = {
styles: [],
formats: [],
dimensions: [],
tileMatrixSetLinks: []
};
layer.layers = [];
this.readChildNodes(node, layer);
obj.layers.push(layer);
},
"Style": function(node, obj) {
var style = {};
style.isDefault = (node.getAttribute("isDefault") === "true");
this.readChildNodes(node, style);
obj.styles.push(style);
},
"Format": function(node, obj) {
obj.formats.push(this.getChildValue(node));
},
"TileMatrixSetLink": function(node, obj) {
var tileMatrixSetLink = {};
this.readChildNodes(node, tileMatrixSetLink);
obj.tileMatrixSetLinks.push(tileMatrixSetLink);
},
"TileMatrixSet": function(node, obj) {
// node could be child of wmts:Contents or wmts:TileMatrixSetLink
// duck type wmts:Contents by looking for layers
if (obj.layers) {
// TileMatrixSet as object type in schema
var tileMatrixSet = {
matrixIds: []
};
this.readChildNodes(node, tileMatrixSet);
obj.tileMatrixSets[tileMatrixSet.identifier] = tileMatrixSet;
} else {
// TileMatrixSet as string type in schema
obj.tileMatrixSet = this.getChildValue(node);
}
},
"TileMatrix": function(node, obj) {
var tileMatrix = {
supportedCRS: obj.supportedCRS
};
this.readChildNodes(node, tileMatrix);
obj.matrixIds.push(tileMatrix);
},
"ScaleDenominator": function(node, obj) {
obj.scaleDenominator = parseFloat(this.getChildValue(node));
},
"TopLeftCorner": function(node, obj) {
var topLeftCorner = this.getChildValue(node);
var coords = topLeftCorner.split(" ");
// decide on axis order for the given CRS
var yx;
if (obj.supportedCRS) {
// extract out version from URN
var crs = obj.supportedCRS.replace(
/urn:ogc:def:crs:(\w+):.+:(\w+)$/,
"urn:ogc:def:crs:$1::$2"
);
yx = !!this.yx[crs];
}
if (yx) {
obj.topLeftCorner = new OpenLayers.LonLat(
coords[1], coords[0]
);
} else {
obj.topLeftCorner = new OpenLayers.LonLat(
coords[0], coords[1]
);
}
},
"TileWidth": function(node, obj) {
obj.tileWidth = parseInt(this.getChildValue(node));
},
"TileHeight": function(node, obj) {
obj.tileHeight = parseInt(this.getChildValue(node));
},
"MatrixWidth": function(node, obj) {
obj.matrixWidth = parseInt(this.getChildValue(node));
},
"MatrixHeight": function(node, obj) {
obj.matrixHeight = parseInt(this.getChildValue(node));
},
"ResourceURL": function(node, obj) {
obj.resourceUrl = obj.resourceUrl || {};
var resourceType = node.getAttribute("resourceType");
if (!obj.resourceUrls) {
obj.resourceUrls = [];
}
var resourceUrl = obj.resourceUrl[resourceType] = {
format: node.getAttribute("format"),
template: node.getAttribute("template"),
resourceType: resourceType
};
obj.resourceUrls.push(resourceUrl);
},
// not used for now, can be added in the future though
/*"Themes": function(node, obj) {
obj.themes = [];
this.readChildNodes(node, obj.themes);
},
"Theme": function(node, obj) {
var theme = {};
this.readChildNodes(node, theme);
obj.push(theme);
},*/
"WSDL": function(node, obj) {
obj.wsdl = {};
obj.wsdl.href = node.getAttribute("xlink:href");
// TODO: other attributes of <WSDL> element
},
"ServiceMetadataURL": function(node, obj) {
obj.serviceMetadataUrl = {};
obj.serviceMetadataUrl.href = node.getAttribute("xlink:href");
// TODO: other attributes of <ServiceMetadataURL> element
},
"LegendURL": function(node, obj) {
obj.legend = {};
obj.legend.href = node.getAttribute("xlink:href");
obj.legend.format = node.getAttribute("format");
},
"Dimension": function(node, obj) {
var dimension = {values: []};
this.readChildNodes(node, dimension);
obj.dimensions.push(dimension);
},
"Default": function(node, obj) {
obj["default"] = this.getChildValue(node);
},
"Value": function(node, obj) {
obj.values.push(this.getChildValue(node));
}
},
"ows": OpenLayers.Format.OWSCommon.v1_1_0.prototype.readers["ows"]
},
CLASS_NAME: "OpenLayers.Format.WMTSCapabilities.v1_0_0"
});
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