add parser for Sensor Observation Service GetFeatureOfInterest method, r=ahocevar (closes #2347)
git-svn-id: http://svn.openlayers.org/trunk/openlayers@9911 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
bartvde
@@ -269,6 +269,7 @@
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"OpenLayers/Format/SOSCapabilities.js",
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"OpenLayers/Format/SOSCapabilities/v1_0_0.js",
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"OpenLayers/Format/SOSGetObservation.js",
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"OpenLayers/Format/SOSGetFeatureOfInterest.js",
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"OpenLayers/Layer/WFS.js",
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"OpenLayers/Control/GetFeature.js",
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"OpenLayers/Control/MouseToolbar.js",
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192
lib/OpenLayers/Format/SOSGetFeatureOfInterest.js
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192
lib/OpenLayers/Format/SOSGetFeatureOfInterest.js
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@@ -0,0 +1,192 @@
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/* Copyright (c) 2006-2009 MetaCarta, Inc., published under the Clear BSD
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* license. See http://svn.openlayers.org/trunk/openlayers/license.txt for the
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* full text of the license. */
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/**
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* @requires OpenLayers/Format/XML.js
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* @requires OpenLayers/Format/GML/v3.js
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*/
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/**
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* Class: OpenLayers.Format.SOSGetFeatureOfInterest
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* Read and write SOS GetFeatureOfInterest. This is used to get to
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* the location of the features (stations). The stations can have 1 or more
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* sensors.
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*
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* Inherits from:
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* - <OpenLayers.Format.XML>
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*/
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OpenLayers.Format.SOSGetFeatureOfInterest = OpenLayers.Class(
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OpenLayers.Format.XML, {
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/**
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* Constant: VERSION
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* {String} 1.0.0
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*/
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VERSION: "1.0.0",
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/**
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* Property: namespaces
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* {Object} Mapping of namespace aliases to namespace URIs.
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*/
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namespaces: {
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sos: "http://www.opengis.net/sos/1.0",
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gml: "http://www.opengis.net/gml",
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sa: "http://www.opengis.net/sampling/1.0",
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xsi: "http://www.w3.org/2001/XMLSchema-instance"
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},
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/**
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* Property: schemaLocation
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* {String} Schema location
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*/
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schemaLocation: "http://www.opengis.net/sos/1.0 http://schemas.opengis.net/sos/1.0.0/sosAll.xsd",
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/**
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* Property: defaultPrefix
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*/
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defaultPrefix: "sos",
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/**
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* Property: regExes
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* Compiled regular expressions for manipulating strings.
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*/
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regExes: {
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trimSpace: (/^\s*|\s*$/g),
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removeSpace: (/\s*/g),
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splitSpace: (/\s+/),
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trimComma: (/\s*,\s*/g)
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},
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/**
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* Constructor: OpenLayers.Format.SOSGetFeatureOfInterest
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*
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* Parameters:
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* options - {Object} An optional object whose properties will be set on
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* this instance.
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*/
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initialize: function(options) {
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OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
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},
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/**
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* APIMethod: read
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* Parse a GetFeatureOfInterest response and return an array of features
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*
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* Parameters:
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* data - {String} or {DOMElement} data to read/parse.
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*
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* Returns:
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* {Array(<OpenLayers.Feature.Vector>)} An array of features.
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*/
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read: function(data) {
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if(typeof data == "string") {
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data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
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}
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if(data && data.nodeType == 9) {
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data = data.documentElement;
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}
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var info = {features: []};
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this.readNode(data, info);
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var features = [];
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for (var i=0, len=info.features.length; i<len; i++) {
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var container = info.features[i];
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// reproject features if needed
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if(this.internalProjection && this.externalProjection &&
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container.components[0]) {
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container.components[0].transform(
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this.externalProjection, this.internalProjection
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);
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}
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var feature = new OpenLayers.Feature.Vector(
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container.components[0], container.attributes);
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features.push(feature);
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}
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return features;
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},
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/**
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* Property: readers
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* Contains public functions, grouped by namespace prefix, that will
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* be applied when a namespaced node is found matching the function
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* name. The function will be applied in the scope of this parser
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* with two arguments: the node being read and a context object passed
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* from the parent.
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*/
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readers: {
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"sa": {
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"SamplingPoint": function(node, obj) {
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// sampling point can also be without a featureMember if
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// there is only 1
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if (!obj.attributes) {
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var feature = {attributes: {}};
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obj.features.push(feature);
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obj = feature;
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}
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obj.attributes.id = this.getAttributeNS(node,
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this.namespaces.gml, "id");
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this.readChildNodes(node, obj);
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},
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"position": function (node, obj) {
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this.readChildNodes(node, obj);
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}
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},
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"gml": OpenLayers.Util.applyDefaults({
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"FeatureCollection": function(node, obj) {
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this.readChildNodes(node, obj);
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},
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"featureMember": function(node, obj) {
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var feature = {attributes: {}};
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obj.features.push(feature);
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this.readChildNodes(node, feature);
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},
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"name": function(node, obj) {
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obj.attributes.name = this.getChildValue(node);
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},
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"pos": function(node, obj) {
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// we need to parse the srsName to get to the
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// externalProjection, that's why we cannot use
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// GML v3 for this
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if (!this.externalProjection) {
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this.externalProjection = new OpenLayers.Projection(
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node.getAttribute("srsName"));
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}
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OpenLayers.Format.GML.v3.prototype.readers.gml.pos.apply(
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this, [node, obj]);
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}
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}, OpenLayers.Format.GML.v3.prototype.readers.gml)
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},
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/**
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* Property: writers
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* As a compliment to the readers property, this structure contains public
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* writing functions grouped by namespace alias and named like the
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* node names they produce.
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*/
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writers: {
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"sos": {
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"GetFeatureOfInterest": function(options) {
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var node = this.createElementNSPlus("GetFeatureOfInterest", {
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attributes: {
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version: this.VERSION,
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service: 'SOS',
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"xsi:schemaLocation": this.schemaLocation
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}
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});
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for (var i=0, len=options.fois.length; i<len; i++) {
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this.writeNode("FeatureOfInterestId", {foi: options.fois[i]}, node);
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}
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return node;
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},
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"FeatureOfInterestId": function(options) {
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var node = this.createElementNSPlus("FeatureOfInterestId", {value: options.foi});
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return node;
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}
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}
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},
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CLASS_NAME: "OpenLayers.Format.SOSGetFeatureOfInterest"
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});
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80
tests/Format/SOSGetFeatureOfInterest.html
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80
tests/Format/SOSGetFeatureOfInterest.html
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@@ -0,0 +1,80 @@
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<html>
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<head>
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<script src="../../lib/OpenLayers.js"></script>
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<script type="text/javascript">
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function test_read_SOSGetFeatureOfInterest_single(t) {
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t.plan(6);
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var parser = new OpenLayers.Format.SOSGetFeatureOfInterest();
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var text =
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'<?xml version="1.0" encoding="UTF-8"?>' +
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'<sa:SamplingPoint xmlns:sa="http://www.opengis.net/sampling/1.0" xmlns:gml="http://www.opengis.net/gml" gml:id="urn:ogc:object:feature:OSIRIS-HWS:4fc335bc-06d7-4d5e-a72a-1ac73b9f3b56">' +
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'<gml:name>Roof of the IfGI</gml:name>' +
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'<sa:position>' +
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'<gml:Point>' +
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'<gml:pos srsName="urn:ogc:def:crs:EPSG:4326">52.1524 5.3722</gml:pos>' +
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'</gml:Point>' +
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'</sa:position>' +
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'</sa:SamplingPoint>';
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var res = parser.read(text);
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t.eq(res.length, 1, "One feature parsed from response");
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t.eq(res[0].attributes.id, "urn:ogc:object:feature:OSIRIS-HWS:4fc335bc-06d7-4d5e-a72a-1ac73b9f3b56", "gml:id correctly parsed");
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t.eq(res[0].attributes.name, "Roof of the IfGI", "gml:name correctly parsed");
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t.eq(res[0].geometry instanceof OpenLayers.Geometry.Point, true, "Geometry is a point geometry");
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t.eq(res[0].geometry.x, 5.3722, "Geometry x coordinate correctly parsed");
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t.eq(res[0].geometry.y, 52.1524, "Geometry y coordinate correctly parsed");
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}
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function test_read_SOSGetFeatureOfInterest_multiple(t) {
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t.plan(6);
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var parser = new OpenLayers.Format.SOSGetFeatureOfInterest();
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var text =
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'<?xml version="1.0" encoding="UTF-8"?>' +
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'<gml:FeatureCollection xmlns:gml="http://www.opengis.net/gml" xmlns:sa="http://www.opengis.net/sampling/1.0">' +
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'<gml:featureMember>' +
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'<sa:SamplingPoint gml:id="urn:ogc:object:feature:OSIRIS-HWS:3d3b239f-7696-4864-9d07-15447eae2b93">' +
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'<gml:name>weather @ roof of the ifgi, MS, Germany</gml:name>' +
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'<sa:position>' +
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'<gml:Point>' +
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'<gml:pos srsName="urn:ogc:def:crs:EPSG:4326">51.9412 7.6103</gml:pos>' +
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'</gml:Point>' +
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'</sa:position>' +
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'</sa:SamplingPoint>' +
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'</gml:featureMember>' +
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'<gml:featureMember>' +
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'<sa:SamplingPoint gml:id="urn:ogc:object:feature:OSIRIS-HWS:efeb807b-bd24-4128-a920-f6729bcdd111">' +
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'<gml:name>waether @ roof of the FH Kaernten, Villach, Austria</gml:name>' +
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'<sa:position>' +
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'<gml:Point>' +
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'<gml:pos srsName="urn:ogc:def:crs:EPSG:4326">46.611644 13.883498</gml:pos>' +
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'</gml:Point>' +
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'</sa:position>' +
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'</sa:SamplingPoint>' +
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'</gml:featureMember>' +
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'</gml:FeatureCollection>';
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var res = parser.read(text);
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t.eq(res.length, 2, "Two features parsed from response");
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t.eq(res[0].attributes.id, "urn:ogc:object:feature:OSIRIS-HWS:3d3b239f-7696-4864-9d07-15447eae2b93", "gml:id correctly parsed");
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t.eq(res[1].attributes.name, "waether @ roof of the FH Kaernten, Villach, Austria", "gml:name correctly parsed");
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t.eq(res[1].geometry instanceof OpenLayers.Geometry.Point, true, "Geometry is a point geometry");
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t.eq(res[1].geometry.x, 13.883498, "Geometry x coordinate correctly parsed");
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t.eq(res[1].geometry.y, 46.611644, "Geometry y coordinate correctly parsed");
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}
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function test_write_SOSGetFeatureOfInterest(t) {
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t.plan(1);
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var expect = '<GetFeatureOfInterest xmlns="http://www.opengis.net/sos/1.0" version="1.0.0" service="SOS" xsi:schemaLocation="http://www.opengis.net/sos/1.0 http://schemas.opengis.net/sos/1.0.0/sosAll.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><FeatureOfInterestId>urn:ogc:object:feature:OSIRIS-HWS:3d3b239f-7696-4864-9d07-15447eae2b93</FeatureOfInterestId><FeatureOfInterestId>urn:ogc:object:feature:OSIRIS-HWS:efeb807b-bd24-4128-a920-f6729bcdd111</FeatureOfInterestId></GetFeatureOfInterest>';
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var format = new OpenLayers.Format.SOSGetFeatureOfInterest();
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var output = format.writeNode("sos:GetFeatureOfInterest", {fois: ['urn:ogc:object:feature:OSIRIS-HWS:3d3b239f-7696-4864-9d07-15447eae2b93', 'urn:ogc:object:feature:OSIRIS-HWS:efeb807b-bd24-4128-a920-f6729bcdd111']});
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t.xml_eq(output, expect, "Request XML is written out correctly");
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}
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</script>
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</head>
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<body>
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</body>
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</html>
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@@ -88,6 +88,7 @@
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<li>Format/CSWGetRecords/v2_0_2.html</li>
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<li>Format/SOSCapabilities/v1_0_0.html</li>
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<li>Format/SOSGetObservation.html</li>
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<li>Format/SOSGetFeatureOfInterest.html</li>
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<li>Format/XML.html</li>
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<li>Geometry.html</li>
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<li>Geometry/Collection.html</li>
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