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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/GML/Base.js
+ */
+
+/**
+ * Class: OpenLayers.Format.GML.v2
+ * Parses GML version 2.
+ *
+ * Inherits from:
+ * - <OpenLayers.Format.GML.Base>
+ */
+OpenLayers.Format.GML.v2 = OpenLayers.Class(OpenLayers.Format.GML.Base, {
+
+ /**
+ * Property: schemaLocation
+ * {String} Schema location for a particular minor version.
+ */
+ schemaLocation: "http://www.opengis.net/gml http://schemas.opengis.net/gml/2.1.2/feature.xsd",
+
+ /**
+ * Constructor: OpenLayers.Format.GML.v2
+ * Create a parser for GML v2.
+ *
+ * Parameters:
+ * options - {Object} An optional object whose properties will be set on
+ * this instance.
+ *
+ * Valid options properties:
+ * featureType - {String} Local (without prefix) feature typeName (required).
+ * featureNS - {String} Feature namespace (required).
+ * geometryName - {String} Geometry element name.
+ */
+ initialize: function(options) {
+ OpenLayers.Format.GML.Base.prototype.initialize.apply(this, [options]);
+ },
+
+ /**
+ * 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: {
+ "gml": OpenLayers.Util.applyDefaults({
+ "outerBoundaryIs": function(node, container) {
+ var obj = {};
+ this.readChildNodes(node, obj);
+ container.outer = obj.components[0];
+ },
+ "innerBoundaryIs": function(node, container) {
+ var obj = {};
+ this.readChildNodes(node, obj);
+ container.inner.push(obj.components[0]);
+ },
+ "Box": function(node, container) {
+ var obj = {};
+ this.readChildNodes(node, obj);
+ if(!container.components) {
+ container.components = [];
+ }
+ var min = obj.points[0];
+ var max = obj.points[1];
+ container.components.push(
+ new OpenLayers.Bounds(min.x, min.y, max.x, max.y)
+ );
+ }
+ }, OpenLayers.Format.GML.Base.prototype.readers["gml"]),
+ "feature": OpenLayers.Format.GML.Base.prototype.readers["feature"],
+ "wfs": OpenLayers.Format.GML.Base.prototype.readers["wfs"]
+ },
+
+ /**
+ * Method: write
+ *
+ * Parameters:
+ * features - {Array(<OpenLayers.Feature.Vector>) | OpenLayers.Feature.Vector}
+ * An array of features or a single feature.
+ *
+ * Returns:
+ * {String} Given an array of features, a doc with a gml:featureMembers
+ * element will be returned. Given a single feature, a doc with a
+ * gml:featureMember element will be returned.
+ */
+ write: function(features) {
+ var name;
+ if(OpenLayers.Util.isArray(features)) {
+ // GML2 only has abstract feature collections
+ // wfs provides a feature collection from a well-known schema
+ name = "wfs:FeatureCollection";
+ } else {
+ name = "gml:featureMember";
+ }
+ var root = this.writeNode(name, features);
+ this.setAttributeNS(
+ root, this.namespaces["xsi"],
+ "xsi:schemaLocation", this.schemaLocation
+ );
+
+ return OpenLayers.Format.XML.prototype.write.apply(this, [root]);
+ },
+
+ /**
+ * Property: writers
+ * As a compliment to the readers property, this structure contains public
+ * writing functions grouped by namespace alias and named like the
+ * node names they produce.
+ */
+ writers: {
+ "gml": OpenLayers.Util.applyDefaults({
+ "Point": function(geometry) {
+ var node = this.createElementNSPlus("gml:Point");
+ this.writeNode("coordinates", [geometry], node);
+ return node;
+ },
+ "coordinates": function(points) {
+ var numPoints = points.length;
+ var parts = new Array(numPoints);
+ var point;
+ for(var i=0; i<numPoints; ++i) {
+ point = points[i];
+ if(this.xy) {
+ parts[i] = point.x + "," + point.y;
+ } else {
+ parts[i] = point.y + "," + point.x;
+ }
+ if(point.z != undefined) { // allow null or undefined
+ parts[i] += "," + point.z;
+ }
+ }
+ return this.createElementNSPlus("gml:coordinates", {
+ attributes: {
+ decimal: ".", cs: ",", ts: " "
+ },
+ value: (numPoints == 1) ? parts[0] : parts.join(" ")
+ });
+ },
+ "LineString": function(geometry) {
+ var node = this.createElementNSPlus("gml:LineString");
+ this.writeNode("coordinates", geometry.components, node);
+ return node;
+ },
+ "Polygon": function(geometry) {
+ var node = this.createElementNSPlus("gml:Polygon");
+ this.writeNode("outerBoundaryIs", geometry.components[0], node);
+ for(var i=1; i<geometry.components.length; ++i) {
+ this.writeNode(
+ "innerBoundaryIs", geometry.components[i], node
+ );
+ }
+ return node;
+ },
+ "outerBoundaryIs": function(ring) {
+ var node = this.createElementNSPlus("gml:outerBoundaryIs");
+ this.writeNode("LinearRing", ring, node);
+ return node;
+ },
+ "innerBoundaryIs": function(ring) {
+ var node = this.createElementNSPlus("gml:innerBoundaryIs");
+ this.writeNode("LinearRing", ring, node);
+ return node;
+ },
+ "LinearRing": function(ring) {
+ var node = this.createElementNSPlus("gml:LinearRing");
+ this.writeNode("coordinates", ring.components, node);
+ return node;
+ },
+ "Box": function(bounds) {
+ var node = this.createElementNSPlus("gml:Box");
+ this.writeNode("coordinates", [
+ {x: bounds.left, y: bounds.bottom},
+ {x: bounds.right, y: bounds.top}
+ ], node);
+ // srsName attribute is optional for gml:Box
+ if(this.srsName) {
+ node.setAttribute("srsName", this.srsName);
+ }
+ return node;
+ }
+ }, OpenLayers.Format.GML.Base.prototype.writers["gml"]),
+ "feature": OpenLayers.Format.GML.Base.prototype.writers["feature"],
+ "wfs": OpenLayers.Format.GML.Base.prototype.writers["wfs"]
+ },
+
+ CLASS_NAME: "OpenLayers.Format.GML.v2"
+
+});