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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/WMSCapabilities/v1.js
*/
/**
* Class: OpenLayers.Format.WMSCapabilities/v1_3
* Abstract base class for WMS Capabilities version 1.3.X.
* SLD 1.1.0 adds in the extra operations DescribeLayer and GetLegendGraphic,
* see: http://schemas.opengis.net/sld/1.1.0/sld_capabilities.xsd
*
* Inherits from:
* - <OpenLayers.Format.WMSCapabilities.v1>
*/
OpenLayers.Format.WMSCapabilities.v1_3 = OpenLayers.Class(
OpenLayers.Format.WMSCapabilities.v1, {
/**
* 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: {
"wms": OpenLayers.Util.applyDefaults({
"WMS_Capabilities": function(node, obj) {
this.readChildNodes(node, obj);
},
"LayerLimit": function(node, obj) {
obj.layerLimit = parseInt(this.getChildValue(node));
},
"MaxWidth": function(node, obj) {
obj.maxWidth = parseInt(this.getChildValue(node));
},
"MaxHeight": function(node, obj) {
obj.maxHeight = parseInt(this.getChildValue(node));
},
"BoundingBox": function(node, obj) {
var bbox = OpenLayers.Format.WMSCapabilities.v1.prototype.readers["wms"].BoundingBox.apply(this, [node, obj]);
bbox.srs = node.getAttribute("CRS");
obj.bbox[bbox.srs] = bbox;
},
"CRS": function(node, obj) {
// CRS is the synonym of SRS
this.readers.wms.SRS.apply(this, [node, obj]);
},
"EX_GeographicBoundingBox": function(node, obj) {
// replacement of LatLonBoundingBox
obj.llbbox = [];
this.readChildNodes(node, obj.llbbox);
},
"westBoundLongitude": function(node, obj) {
obj[0] = this.getChildValue(node);
},
"eastBoundLongitude": function(node, obj) {
obj[2] = this.getChildValue(node);
},
"southBoundLatitude": function(node, obj) {
obj[1] = this.getChildValue(node);
},
"northBoundLatitude": function(node, obj) {
obj[3] = this.getChildValue(node);
},
"MinScaleDenominator": function(node, obj) {
obj.maxScale = parseFloat(this.getChildValue(node)).toPrecision(16);
},
"MaxScaleDenominator": function(node, obj) {
obj.minScale = parseFloat(this.getChildValue(node)).toPrecision(16);
},
"Dimension": function(node, obj) {
// dimension has extra attributes: default, multipleValues,
// nearestValue, current which used to be part of Extent. It now
// also contains the values.
var name = node.getAttribute("name").toLowerCase();
var dim = {
name: name,
units: node.getAttribute("units"),
unitsymbol: node.getAttribute("unitSymbol"),
nearestVal: node.getAttribute("nearestValue") === "1",
multipleVal: node.getAttribute("multipleValues") === "1",
"default": node.getAttribute("default") || "",
current: node.getAttribute("current") === "1",
values: this.getChildValue(node).split(",")
};
// Theoretically there can be more dimensions with the same
// name, but with a different unit. Until we meet such a case,
// let's just keep the same structure as the WMS 1.1
// GetCapabilities parser uses. We will store the last
// one encountered.
obj.dimensions[dim.name] = dim;
},
"Keyword": function(node, obj) {
// TODO: should we change the structure of keyword in v1.js?
// Make it an object with a value instead of a string?
var keyword = {value: this.getChildValue(node),
vocabulary: node.getAttribute("vocabulary")};
if (obj.keywords) {
obj.keywords.push(keyword);
}
}
}, OpenLayers.Format.WMSCapabilities.v1.prototype.readers["wms"]),
"sld": {
"UserDefinedSymbolization": function(node, obj) {
this.readers.wms.UserDefinedSymbolization.apply(this, [node, obj]);
// add the two extra attributes
obj.userSymbols.inlineFeature = parseInt(node.getAttribute("InlineFeature")) == 1;
obj.userSymbols.remoteWCS = parseInt(node.getAttribute("RemoteWCS")) == 1;
},
"DescribeLayer": function(node, obj) {
this.readers.wms.DescribeLayer.apply(this, [node, obj]);
},
"GetLegendGraphic": function(node, obj) {
this.readers.wms.GetLegendGraphic.apply(this, [node, obj]);
}
}
},
CLASS_NAME: "OpenLayers.Format.WMSCapabilities.v1_3"
});