openlayers
Version:
Build tools and sources for developing OpenLayers based mapping applications
492 lines (428 loc) • 14.5 kB
JavaScript
goog.provide('ol.format.WMTSCapabilities');
goog.require('ol');
goog.require('ol.extent');
goog.require('ol.format.OWS');
goog.require('ol.format.XLink');
goog.require('ol.format.XML');
goog.require('ol.format.XSD');
goog.require('ol.xml');
/**
* @classdesc
* Format for reading WMTS capabilities data.
*
* @constructor
* @extends {ol.format.XML}
* @api
*/
ol.format.WMTSCapabilities = function() {
ol.format.XML.call(this);
/**
* @type {ol.format.OWS}
* @private
*/
this.owsParser_ = new ol.format.OWS();
};
ol.inherits(ol.format.WMTSCapabilities, ol.format.XML);
/**
* Read a WMTS capabilities document.
*
* @function
* @param {Document|Node|string} source The XML source.
* @return {Object} An object representing the WMTS capabilities.
* @api
*/
ol.format.WMTSCapabilities.prototype.read;
/**
* @param {Document} doc Document.
* @return {Object} WMTS Capability object.
*/
ol.format.WMTSCapabilities.prototype.readFromDocument = function(doc) {
ol.DEBUG && console.assert(doc.nodeType == Node.DOCUMENT_NODE,
'doc.nodeType should be DOCUMENT');
for (var n = doc.firstChild; n; n = n.nextSibling) {
if (n.nodeType == Node.ELEMENT_NODE) {
return this.readFromNode(n);
}
}
return null;
};
/**
* @param {Node} node Node.
* @return {Object} WMTS Capability object.
*/
ol.format.WMTSCapabilities.prototype.readFromNode = function(node) {
ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE,
'node.nodeType should be ELEMENT');
ol.DEBUG && console.assert(node.localName == 'Capabilities',
'localName should be Capabilities');
var version = node.getAttribute('version').trim();
var WMTSCapabilityObject = this.owsParser_.readFromNode(node);
if (!WMTSCapabilityObject) {
return null;
}
WMTSCapabilityObject['version'] = version;
WMTSCapabilityObject = ol.xml.pushParseAndPop(WMTSCapabilityObject,
ol.format.WMTSCapabilities.PARSERS_, node, []);
return WMTSCapabilityObject ? WMTSCapabilityObject : null;
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Attribution object.
*/
ol.format.WMTSCapabilities.readContents_ = function(node, objectStack) {
ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE,
'node.nodeType should be ELEMENT');
ol.DEBUG && console.assert(node.localName == 'Contents',
'localName should be Contents');
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.CONTENTS_PARSERS_, node, objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Layers object.
*/
ol.format.WMTSCapabilities.readLayer_ = function(node, objectStack) {
ol.DEBUG && console.assert(node.nodeType == Node.ELEMENT_NODE,
'node.nodeType should be ELEMENT');
ol.DEBUG && console.assert(node.localName == 'Layer', 'localName should be Layer');
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.LAYER_PARSERS_, node, objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Tile Matrix Set object.
*/
ol.format.WMTSCapabilities.readTileMatrixSet_ = function(node, objectStack) {
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.TMS_PARSERS_, node, objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Style object.
*/
ol.format.WMTSCapabilities.readStyle_ = function(node, objectStack) {
var style = ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.STYLE_PARSERS_, node, objectStack);
if (!style) {
return undefined;
}
var isDefault = node.getAttribute('isDefault') === 'true';
style['isDefault'] = isDefault;
return style;
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Tile Matrix Set Link object.
*/
ol.format.WMTSCapabilities.readTileMatrixSetLink_ = function(node,
objectStack) {
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.TMS_LINKS_PARSERS_, node, objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Dimension object.
*/
ol.format.WMTSCapabilities.readDimensions_ = function(node, objectStack) {
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.DIMENSION_PARSERS_, node, objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Resource URL object.
*/
ol.format.WMTSCapabilities.readResourceUrl_ = function(node, objectStack) {
var format = node.getAttribute('format');
var template = node.getAttribute('template');
var resourceType = node.getAttribute('resourceType');
var resource = {};
if (format) {
resource['format'] = format;
}
if (template) {
resource['template'] = template;
}
if (resourceType) {
resource['resourceType'] = resourceType;
}
return resource;
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} WGS84 BBox object.
*/
ol.format.WMTSCapabilities.readWgs84BoundingBox_ = function(node, objectStack) {
var coordinates = ol.xml.pushParseAndPop([],
ol.format.WMTSCapabilities.WGS84_BBOX_READERS_, node, objectStack);
if (coordinates.length != 2) {
return undefined;
}
return ol.extent.boundingExtent(coordinates);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Legend object.
*/
ol.format.WMTSCapabilities.readLegendUrl_ = function(node, objectStack) {
var legend = {};
legend['format'] = node.getAttribute('format');
legend['href'] = ol.format.XLink.readHref(node);
return legend;
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} Coordinates object.
*/
ol.format.WMTSCapabilities.readCoordinates_ = function(node, objectStack) {
var coordinates = ol.format.XSD.readString(node).split(' ');
if (!coordinates || coordinates.length != 2) {
return undefined;
}
var x = +coordinates[0];
var y = +coordinates[1];
if (isNaN(x) || isNaN(y)) {
return undefined;
}
return [x, y];
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} TileMatrix object.
*/
ol.format.WMTSCapabilities.readTileMatrix_ = function(node, objectStack) {
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.TM_PARSERS_, node, objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} TileMatrixSetLimits Object.
*/
ol.format.WMTSCapabilities.readTileMatrixLimitsList_ = function(node,
objectStack) {
return ol.xml.pushParseAndPop([],
ol.format.WMTSCapabilities.TMS_LIMITS_LIST_PARSERS_, node,
objectStack);
};
/**
* @private
* @param {Node} node Node.
* @param {Array.<*>} objectStack Object stack.
* @return {Object|undefined} TileMatrixLimits Array.
*/
ol.format.WMTSCapabilities.readTileMatrixLimits_ = function(node, objectStack) {
return ol.xml.pushParseAndPop({},
ol.format.WMTSCapabilities.TMS_LIMITS_PARSERS_, node, objectStack);
};
/**
* @const
* @private
* @type {Array.<string>}
*/
ol.format.WMTSCapabilities.NAMESPACE_URIS_ = [
null,
'http://www.opengis.net/wmts/1.0'
];
/**
* @const
* @private
* @type {Array.<string>}
*/
ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_ = [
null,
'http://www.opengis.net/ows/1.1'
];
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'Contents': ol.xml.makeObjectPropertySetter(
ol.format.WMTSCapabilities.readContents_)
});
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.CONTENTS_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'Layer': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readLayer_),
'TileMatrixSet': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readTileMatrixSet_)
});
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.LAYER_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'Style': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readStyle_),
'Format': ol.xml.makeObjectPropertyPusher(
ol.format.XSD.readString),
'TileMatrixSetLink': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readTileMatrixSetLink_),
'Dimension': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readDimensions_),
'ResourceURL': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readResourceUrl_)
}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
'Title': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'Abstract': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'WGS84BoundingBox': ol.xml.makeObjectPropertySetter(
ol.format.WMTSCapabilities.readWgs84BoundingBox_),
'Identifier': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString)
}));
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.STYLE_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'LegendURL': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readLegendUrl_)
}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
'Title': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'Identifier': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString)
}));
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.TMS_LINKS_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'TileMatrixSet': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'TileMatrixSetLimits': ol.xml.makeObjectPropertySetter(
ol.format.WMTSCapabilities.readTileMatrixLimitsList_)
});
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.TMS_LIMITS_LIST_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'TileMatrixLimits': ol.xml.makeArrayPusher(
ol.format.WMTSCapabilities.readTileMatrixLimits_)
});
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.TMS_LIMITS_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'TileMatrix': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'MinTileRow': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger),
'MaxTileRow': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger),
'MinTileCol': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger),
'MaxTileCol': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger)
});
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.DIMENSION_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'Default': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'Value': ol.xml.makeObjectPropertyPusher(
ol.format.XSD.readString)
}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
'Identifier': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString)
}));
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.WGS84_BBOX_READERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
'LowerCorner': ol.xml.makeArrayPusher(
ol.format.WMTSCapabilities.readCoordinates_),
'UpperCorner': ol.xml.makeArrayPusher(
ol.format.WMTSCapabilities.readCoordinates_)
});
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.TMS_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'WellKnownScaleSet': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'TileMatrix': ol.xml.makeObjectPropertyPusher(
ol.format.WMTSCapabilities.readTileMatrix_)
}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
'SupportedCRS': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString),
'Identifier': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString)
}));
/**
* @const
* @type {Object.<string, Object.<string, ol.XmlParser>>}
* @private
*/
ol.format.WMTSCapabilities.TM_PARSERS_ = ol.xml.makeStructureNS(
ol.format.WMTSCapabilities.NAMESPACE_URIS_, {
'TopLeftCorner': ol.xml.makeObjectPropertySetter(
ol.format.WMTSCapabilities.readCoordinates_),
'ScaleDenominator': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readDecimal),
'TileWidth': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger),
'TileHeight': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger),
'MatrixWidth': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger),
'MatrixHeight': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readNonNegativeInteger)
}, ol.xml.makeStructureNS(ol.format.WMTSCapabilities.OWS_NAMESPACE_URIS_, {
'Identifier': ol.xml.makeObjectPropertySetter(
ol.format.XSD.readString)
}));