Files
openlayers/src/ol/format/textfeatureformat.js
2014-06-09 12:10:19 -04:00

155 lines
2.9 KiB
JavaScript

goog.provide('ol.format.TextFeature');
goog.require('goog.asserts');
goog.require('ol.format.Feature');
goog.require('ol.format.FormatType');
/**
* @classdesc
* Abstract base class for text feature formats.
*
* @constructor
* @extends {ol.format.Feature}
*/
ol.format.TextFeature = function() {
goog.base(this);
};
goog.inherits(ol.format.TextFeature, ol.format.Feature);
/**
* @param {Document|Node|Object|string} source Source.
* @private
* @return {string} Text.
*/
ol.format.TextFeature.prototype.getText_ = function(source) {
if (goog.isString(source)) {
return source;
} else {
goog.asserts.fail();
return '';
}
};
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.getType = function() {
return ol.format.FormatType.TEXT;
};
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.readFeature = function(source) {
return this.readFeatureFromText(this.getText_(source));
};
/**
* @param {string} text Text.
* @protected
* @return {ol.Feature} Feature.
*/
ol.format.TextFeature.prototype.readFeatureFromText = goog.abstractMethod;
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.readFeatures = function(source) {
return this.readFeaturesFromText(this.getText_(source));
};
/**
* @param {string} text Text.
* @protected
* @return {Array.<ol.Feature>} Features.
*/
ol.format.TextFeature.prototype.readFeaturesFromText = goog.abstractMethod;
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.readGeometry = function(source) {
return this.readGeometryFromText(this.getText_(source));
};
/**
* @param {string} text Text.
* @protected
* @return {ol.geom.Geometry} Geometry.
*/
ol.format.TextFeature.prototype.readGeometryFromText = goog.abstractMethod;
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.readProjection = function(source) {
return this.readProjectionFromText(this.getText_(source));
};
/**
* @param {string} text Text.
* @protected
* @return {ol.proj.Projection} Projection.
*/
ol.format.TextFeature.prototype.readProjectionFromText = goog.abstractMethod;
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.writeFeature = function(feature) {
return this.writeFeatureText(feature);
};
/**
* @param {ol.Feature} feature Features.
* @protected
* @return {string} Text.
*/
ol.format.TextFeature.prototype.writeFeatureText = goog.abstractMethod;
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.writeFeatures = function(features) {
return this.writeFeaturesText(features);
};
/**
* @param {Array.<ol.Feature>} features Features.
* @protected
* @return {string} Text.
*/
ol.format.TextFeature.prototype.writeFeaturesText = goog.abstractMethod;
/**
* @inheritDoc
*/
ol.format.TextFeature.prototype.writeGeometry = function(geometry) {
return this.writeGeometryText(geometry);
};
/**
* @param {ol.geom.Geometry} geometry Geometry.
* @protected
* @return {string} Text.
*/
ol.format.TextFeature.prototype.writeGeometryText = goog.abstractMethod;