f76f8ded46
git-svn-id: http://svn.openlayers.org/trunk/openlayers@10713 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
263 lines
9.4 KiB
JavaScript
263 lines
9.4 KiB
JavaScript
/* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for
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* full list of contributors). Published under the Clear BSD license.
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* 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.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.SOSGetObservation
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* Read and write SOS GetObersation (to get the actual values from a sensor)
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* version 1.0.0
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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.SOSGetObservation = OpenLayers.Class(OpenLayers.Format.XML, {
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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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ows: "http://www.opengis.net/ows",
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gml: "http://www.opengis.net/gml",
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sos: "http://www.opengis.net/sos/1.0",
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ogc: "http://www.opengis.net/ogc",
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om: "http://www.opengis.net/om/1.0",
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xlink: "http://www.w3.org/1999/xlink",
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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: 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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* 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: 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/sosGetObservation.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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* Constructor: OpenLayers.Format.SOSGetObservation
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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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* Method: read
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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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* {Object} An object containing the measurements
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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 = {measurements: []};
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this.readNode(data, info);
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return info;
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},
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/**
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* Method: write
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*
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* Parameters:
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* options - {Object} Optional object.
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*
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* Returns:
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* {String} An SOS GetObservation request XML string.
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*/
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write: function(options) {
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var node = this.writeNode("sos:GetObservation", options);
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node.setAttribute("xmlns:om", this.namespaces.om);
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this.setAttributeNS(
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node, this.namespaces.xsi,
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"xsi:schemaLocation", this.schemaLocation
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);
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return OpenLayers.Format.XML.prototype.write.apply(this, [node]);
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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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"om": {
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"ObservationCollection": function(node, obj) {
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obj.id = this.getAttributeNS(node, this.namespaces.gml, "id");
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this.readChildNodes(node, obj);
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},
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"member": function(node, observationCollection) {
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this.readChildNodes(node, observationCollection);
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},
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"Measurement": function(node, observationCollection) {
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var measurement = {};
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observationCollection.measurements.push(measurement);
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this.readChildNodes(node, measurement);
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},
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"samplingTime": function(node, measurement) {
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var samplingTime = {};
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measurement.samplingTime = samplingTime;
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this.readChildNodes(node, samplingTime);
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},
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"observedProperty": function(node, measurement) {
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measurement.observedProperty =
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this.getAttributeNS(node, this.namespaces.xlink, "href");
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this.readChildNodes(node, measurement);
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},
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"procedure": function(node, measurement) {
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measurement.procedure =
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this.getAttributeNS(node, this.namespaces.xlink, "href");
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this.readChildNodes(node, measurement);
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},
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"result": function(node, measurement) {
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var result = {};
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measurement.result = result;
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if (this.getChildValue(node) !== '') {
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result.value = this.getChildValue(node);
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result.uom = node.getAttribute("uom");
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} else {
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this.readChildNodes(node, result);
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}
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}
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},
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"gml": OpenLayers.Util.applyDefaults({
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"TimeInstant": function(node, samplingTime) {
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var timeInstant = {};
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samplingTime.timeInstant = timeInstant;
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this.readChildNodes(node, timeInstant);
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},
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"timePosition": function(node, timeInstant) {
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timeInstant.timePosition = this.getChildValue(node);
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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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"GetObservation": function(options) {
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var node = this.createElementNSPlus("GetObservation", {
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attributes: {
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version: this.VERSION,
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service: 'SOS'
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}
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});
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this.writeNode("offering", options, node);
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this.writeNode("eventTime", options, node);
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this.writeNode("procedure", options, node);
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this.writeNode("observedProperty", options, node);
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this.writeNode("responseFormat", options, node);
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this.writeNode("resultModel", options, node);
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this.writeNode("responseMode", options, node);
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return node;
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},
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"responseFormat": function(options) {
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return this.createElementNSPlus("responseFormat",
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{value: options.responseFormat});
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},
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"procedure": function(options) {
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return this.createElementNSPlus("procedure",
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{value: options.procedure});
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},
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"offering": function(options) {
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return this.createElementNSPlus("offering", {value:
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options.offering});
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},
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"observedProperty": function(options) {
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return this.createElementNSPlus("observedProperty",
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{value: options.observedProperty});
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},
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"eventTime": function(options) {
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var node = this.createElementNSPlus("eventTime");
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if (options.eventTime === 'latest') {
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this.writeNode("ogc:TM_Equals", options, node);
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}
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return node;
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},
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"resultModel": function(options) {
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return this.createElementNSPlus("resultModel", {value:
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options.resultModel});
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},
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"responseMode": function(options) {
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return this.createElementNSPlus("responseMode", {value:
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options.responseMode});
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}
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},
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"ogc": {
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"TM_Equals": function(options) {
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var node = this.createElementNSPlus("ogc:TM_Equals");
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this.writeNode("ogc:PropertyName", {property:
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"urn:ogc:data:time:iso8601"}, node);
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if (options.eventTime === 'latest') {
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this.writeNode("gml:TimeInstant", {value: 'latest'}, node);
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}
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return node;
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},
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"PropertyName": function(options) {
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return this.createElementNSPlus("ogc:PropertyName",
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{value: options.property});
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}
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},
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"gml": {
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"TimeInstant": function(options) {
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var node = this.createElementNSPlus("gml:TimeInstant");
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this.writeNode("gml:timePosition", options, node);
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return node;
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},
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"timePosition": function(options) {
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var node = this.createElementNSPlus("gml:timePosition",
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{value: options.value});
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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.SOSGetObservation"
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});
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