OpenLayers.Format.WMSGetFeatureInfo

Class to read GetFeatureInfo responses from Web Mapping Services

Inherits from

OpenLayers.Format.XML

Summary

OpenLayers.Format.WMSGetFeatureInfo	Class to read GetFeatureInfo responses from Web Mapping Services
Properties
layerIdentifier	{String} All xml nodes containing this search criteria will populate an internal array of layer nodes.
featureIdentifier	{String} All xml nodes containing this search criteria will populate an internal array of feature nodes for each layer node found.
regExes	Compiled regular expressions for manipulating strings.
gmlFormat	{OpenLayers.Format.GML} internal GML format for parsing geometries in msGMLOutput
Constructor
OpenLayers.Format.WMSGetFeatureInfo	Create a new parser for WMS GetFeatureInfo responses
Functions
read	Read WMS GetFeatureInfo data from a string, and return an array of features
read_msGMLOutput	Parse msGMLOutput nodes.
read_FeatureInfoResponse	Parse FeatureInfoResponse nodes.
getSiblingNodesByTagCriteria	Recursively searches passed xml node and all it’s descendant levels for nodes whose tagName contains the passed search string.
parseAttributes
parseGeometry	Parse the geometry and the feature bounds out of the node using Format.GML

Properties

layerIdentifier

{String} All xml nodes containing this search criteria will populate an internal array of layer nodes.

featureIdentifier

{String} All xml nodes containing this search criteria will populate an internal array of feature nodes for each layer node found.

regExes

Compiled regular expressions for manipulating strings.

gmlFormat

{OpenLayers.Format.GML} internal GML format for parsing geometries in msGMLOutput

Constructor

OpenLayers.Format.WMSGetFeatureInfo

Create a new parser for WMS GetFeatureInfo responses

Parameters

options

{Object} An optional object whose properties will be set on this instance.

Functions

read

read: function( data )

Read WMS GetFeatureInfo data from a string, and return an array of features

Parameters

data	{String} or {DOMElement} data to read/parse.

Returns

{Array(OpenLayers.Feature.Vector)} An array of features.

read_msGMLOutput

read_msGMLOutput: function( data )

Parse msGMLOutput nodes.

Parameters

data	{DOMElement}

Returns

{Array}

read_FeatureInfoResponse

read_FeatureInfoResponse: function( data )

Parse FeatureInfoResponse nodes.

Parameters

data	{DOMElement}

Returns

{Array}

getSiblingNodesByTagCriteria

getSiblingNodesByTagCriteria: function( node,
criteria )

Recursively searches passed xml node and all it’s descendant levels for nodes whose tagName contains the passed search string. This returns an array of all sibling nodes which match the criteria from the highest hierarchial level from which a match is found.

Parameters

node	{DOMElement} An xml node
criteria	{String} Search string which will match some part of a tagName

Returns

Array({DOMElement}) An array of sibling xml nodes

parseAttributes

parseAttributes: function( node )

Parameters

node	{<DOMElement>}

Returns

{Object} An attributes object.

Notes

Assumes that attributes are direct child xml nodes of the passed node and contain only a single text node.

parseGeometry

parseGeometry: function( node )

Parse the geometry and the feature bounds out of the node using Format.GML

Parameters

node	{<DOMElement>}

Returns

{Object} An object containing the geometry and the feature bounds