Add Insert, Update and Delete writers
This change also adds some type annotations for better type checking, introduces different write options for writing transactions and queries, and provides new writeGetFeature and writeTransaction methods.
This commit is contained in:
ahocevar
@@ -1,31 +1,22 @@
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goog.provide('ol.parser.ogc.WFS_v1');
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goog.require('goog.asserts');
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goog.require('goog.dom.xml');
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goog.require('ol.expr.Call');
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goog.require('ol.expr.Identifier');
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goog.require('ol.expr.Literal');
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goog.require('ol.geom.Geometry');
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goog.require('ol.parser.XML');
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/**
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* @typedef {{featureNS: string,
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featurePrefix: string,
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featureTypes: Array.<string>,
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handle: string,
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outputFormat: string,
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nativeElements: Array.<{
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vendorId: string,
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safeToIgnore: boolean,
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value: string
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}>,
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maxFeatures: number}}
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*/
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ol.parser.WFSWriteOptions;
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/**
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* @constructor
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* @extends {ol.parser.XML}
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* @param {Object=} opt_options Options which will be set on this object.
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*/
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ol.parser.ogc.WFS_v1 = function() {
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ol.parser.ogc.WFS_v1 = function(opt_options) {
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this.defaultNamespaceURI = 'http://www.opengis.net/wfs';
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// TODO set errorProperty
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this.readers = {};
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this.readers[this.defaultNamespaceURI] = {
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@@ -36,8 +27,13 @@ ol.parser.ogc.WFS_v1 = function() {
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};
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this.writers = {};
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this.writers[this.defaultNamespaceURI] = {
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/**
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* @param {ol.parser.WFSWriteGetFeatureOptions} options Options.
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* @return {{node: Node,
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* options: ol.parser.WFSWriteGetFeatureOptions}} Object.
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* @this {ol.parser.XML}
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*/
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'GetFeature': function(options) {
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options = /** @type {ol.parser.WFSWriteOptions} */(options);
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var node = this.createElementNS('wfs:GetFeature');
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node.setAttribute('service', 'WFS');
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node.setAttribute('version', this.version);
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@@ -61,29 +57,41 @@ ol.parser.ogc.WFS_v1 = function() {
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'xsi:schemaLocation', this.schemaLocation);
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return {node: node, options: options};
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},
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/**
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* @param {{inserts: Array.<ol.Feature>,
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* updates: Array.<ol.Feature>,
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* deletes: Array.<ol.Feature>,
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* options: ol.parser.WFSWriteTransactionOptions}} obj Object.
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* @return {Element} Node.
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* @this {ol.parser.XML}
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*/
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'Transaction': function(obj) {
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obj = obj || {};
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var options = /** {ol.parser.WFSWriteOptions} */(obj.options || {});
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var options = obj.options;
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this.setFeatureType(options.featureType);
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this.setFeatureNS(options.featureNS);
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if (goog.isDef(options.srsName)) {
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this.setSrsName(options.srsName);
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}
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var node = this.createElementNS('wfs:Transaction');
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node.setAttribute('service', 'WFS');
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node.setAttribute('version', this.version);
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if (goog.isDef(options.handle)) {
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node.setAttribute('handle', options.handle);
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}
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var i, ii;
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var features = obj.features;
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if (goog.isDefAndNotNull(features)) {
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// TODO implement multi option for geometry types
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var name, feature;
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for (i = 0, ii = features.length; i < ii; ++i) {
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feature = features[i];
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// TODO Update (use feature.getOriginal())
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// TODO Insert and Delete
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if (goog.isDef(name)) {
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this.writeNode(name, {
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feature: feature,
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options: options
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}, null, node);
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var i, ii, features, feature;
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var operations = {
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'Insert': obj.inserts,
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'Update': obj.updates,
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'Delete': obj.deletes
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};
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for (var name in operations) {
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features = operations[name];
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if (!goog.isNull(features)) {
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// TODO implement multi option for geometry types
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for (i = 0, ii = features.length; i < ii; ++i) {
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feature = features[i];
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this.writeNode(name, {feature: feature, options: options}, null,
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node);
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}
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}
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}
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@@ -94,12 +102,147 @@ ol.parser.ogc.WFS_v1 = function() {
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}
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return node;
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},
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/**
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* @param {{vendorId: string, safeToIgnore: boolean, value: string}}
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* nativeElement Native element.
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* @return {Node} Node.
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* @this {ol.parser.XML}
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*/
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'Native': function(nativeElement) {
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var node = this.createElementNS('wfs:Native');
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node.setAttribute('vendorId', nativeElement.vendorId);
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node.setAttribute('safeToIgnore', nativeElement.safeToIgnore);
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node.appendChild(this.createTextNode(nativeElement.value));
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return node;
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},
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/**
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* @param {{feature: ol.Feature,
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* options: ol.parser.WFSWriteTransactionOptions}} obj Object.
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* @return {Element} Node.
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* @this {ol.parser.XML}
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*/
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'Insert': function(obj) {
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var feature = obj.feature;
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var options = obj.options;
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var node = this.createElementNS('wfs:Insert');
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if (goog.isDef(options) && goog.isDef(options.handle)) {
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this.setAttributeNS(node, this.defaultNamespaceURI, 'handle',
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options.handle);
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}
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if (goog.isDef(options.srsName)) {
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this.setSrsName(options.srsName);
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}
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this.writeNode('_typeName', feature, options.featureNS, node);
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return node;
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},
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/**
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* @param {{feature: ol.Feature,
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* options: ol.parser.WFSWriteTransactionOptions}} obj Object.
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* @return {Element} Node.
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* @this {ol.parser.XML}
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*/
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'Update': function(obj) {
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var feature = obj.feature;
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var options = obj.options;
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var node = this.createElementNS('wfs:Update');
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this.setAttributeNS(node, this.defaultNamespaceURI, 'typeName',
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(goog.isDef(options.featureNS) ? options.featurePrefix + ':' : '') +
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options.featureType);
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if (goog.isDef(options.handle)) {
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this.setAttributeNS(node, this.defaultNamespaceURI, 'handle',
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options.handle);
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}
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if (goog.isDef(options.featureNS)) {
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node.setAttribute('xmlns:' + options.featurePrefix, options.featureNS);
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}
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// add in fields
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var original = feature.getOriginal();
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var originalAttributes = goog.isNull(original) ?
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undefined : original.getAttributes();
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var attributes = feature.getAttributes();
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var attribute;
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for (var key in attributes) {
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attribute = attributes[key];
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// TODO Only add geometries whose values have changed
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if (goog.isDef(attribute) && (attribute instanceof ol.geom.Geometry ||
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(!goog.isDef(originalAttributes) ||
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attribute != originalAttributes[key]))) {
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this.writeNode('Property', {name: key, value: attribute}, null, node);
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}
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}
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// add feature id filter
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var fid = feature.getId();
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goog.asserts.assert(goog.isDef(fid));
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this.writeNode('Filter', new ol.expr.Call(new ol.expr.Identifier(
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ol.expr.functions.FID), [new ol.expr.Literal(fid)]),
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'http://www.opengis.net/ogc', node);
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return node;
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},
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'Property': function(obj) {
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var node = this.createElementNS('wfs:Property');
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this.writeNode('Name', obj.name, null, node);
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if (!goog.isNull(obj.value)) {
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this.writeNode('Value', obj.value, null, node);
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}
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return node;
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},
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/**
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* @param {string} name Name.
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* @return {Element} Node.
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* @this {ol.parser.XML}
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*/
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'Name': function(name) {
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var node = this.createElementNS('wfs:Name');
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node.appendChild(this.createTextNode(name));
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return node;
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},
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/**
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* @param {string|ol.geom.Geometry} obj Object.
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* @return {Element} Node.
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* @this {ol.parser.XML}
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*/
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'Value': function(obj) {
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var node;
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if (obj instanceof ol.geom.Geometry) {
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node = this.createElementNS('wfs:Value');
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node.appendChild(
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this.getFilterParser().getGmlParser().writeGeometry(obj));
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} else {
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goog.asserts.assertString(obj);
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node = this.createElementNS('wfs:Value');
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node.appendChild(this.createTextNode(obj));
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}
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return node;
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},
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/**
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* @param {{feature: ol.Feature,
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* options: ol.parser.WFSWriteTransactionOptions}} obj Object.
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* @return {Element} Node.
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* @this {ol.parser.ogc.GML}
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*/
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'Delete': function(obj) {
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var feature = obj.feature;
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var options = obj.options;
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var node = this.createElementNS('wfs:Delete');
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this.setAttributeNS(node, this.defaultNamespaceURI, 'typeName',
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(goog.isDef(options.featureNS) ? options.featurePrefix + ':' : '') +
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options.featureType);
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if (goog.isDef(options.handle)) {
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this.setAttributeNS(node, options.defaultNamespaceURI, 'handle',
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options.handle);
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}
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if (goog.isDef(options.featureNS)) {
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node.setAttribute('xmlns:' + options.featurePrefix, options.featureNS);
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}
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var fid = feature.getId();
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goog.asserts.assert(goog.isDef(fid));
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this.writeNode('Filter', new ol.expr.Call(new ol.expr.Identifier(
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ol.expr.functions.FID), [new ol.expr.Literal(fid)]),
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'http://www.opengis.net/ogc', node);
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return node;
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}
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};
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goog.base(this);
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@@ -204,13 +347,27 @@ ol.parser.ogc.WFS_v1.prototype.read = function(data) {
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/**
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* @param {Array.<ol.Feature>} features The features to write out.
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* @param {ol.parser.WFSWriteOptions} options Write options.
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* @param {ol.parser.WFSWriteGetFeatureOptions} options Options.
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* @return {string} A serialized WFS GetFeature query.
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*/
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ol.parser.ogc.WFS_v1.prototype.writeGetFeature = function(options) {
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var root = this.writers[this.defaultNamespaceURI]['GetFeature']
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.call(this, options);
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return this.serialize(root);
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};
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/**
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* @param {Array.<ol.Feature>} inserts The features to insert.
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* @param {Array.<ol.Feature>} updates The features to update.
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* @param {Array.<ol.Feature>} deletes The features to delete.
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* @param {ol.parser.WFSWriteTransactionOptions} options Write options.
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* @return {string} A serialized WFS transaction.
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*/
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ol.parser.ogc.WFS_v1.prototype.write = function(features, options) {
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var root = this.writeNode('Transaction', {features: features,
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options: options});
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ol.parser.ogc.WFS_v1.prototype.writeTransaction =
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function(inserts, updates, deletes, options) {
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var root = this.writeNode('Transaction', {inserts: inserts,
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updates: updates, deletes: deletes, options: options});
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this.setAttributeNS(
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root, 'http://www.w3.org/2001/XMLSchema-instance',
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'xsi:schemaLocation', this.schemaLocation);
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