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implement versioned format base class, r=ahocevar (closes #2954)

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@12155 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
This commit is contained in:
bartvde
2011-07-05 09:42:34 +00:00
parent 3b70536695
commit c59e225d8f
17 changed files with 346 additions and 504 deletions
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61
lib/OpenLayers/Format/OWSCommon.js
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@@ -4,7 +4,7 @@
* full text of the license. */
/**
* @requires OpenLayers/Format/XML.js
* @requires OpenLayers/Format/XML/VersionedOGC.js
*/
/**
@@ -13,9 +13,9 @@
* constructor.
*
* Inherits from:
* - <OpenLayers.Format.XML>
* - <OpenLayers.Format.XML.VersionedOGC>
*/
OpenLayers.Format.OWSCommon = OpenLayers.Class(OpenLayers.Format.XML, {
OpenLayers.Format.OWSCommon = OpenLayers.Class(OpenLayers.Format.XML.VersionedOGC, {
/**
* APIProperty: defaultVersion
@@ -23,19 +23,6 @@ OpenLayers.Format.OWSCommon = OpenLayers.Class(OpenLayers.Format.XML, {
*/
defaultVersion: "1.0.0",
/**
* APIProperty: version
* {String} Specify a version string if one is known.
*/
version: null,
/**
* Property: parser
* {Object} Instance of the versioned parser. Cached for multiple read and
* write calls of the same version.
*/
parser: null,
/**
* Constructor: OpenLayers.Format.OWSCommon
* Create a new parser for OWSCommon.
@@ -46,21 +33,18 @@ OpenLayers.Format.OWSCommon = OpenLayers.Class(OpenLayers.Format.XML, {
*/
/**
* APIMethod: read
* Read an OWSCommon document and return an object.
* Method: getVersion
* Returns the version to use. Subclasses can override this function
* if a different version detection is needed.
*
* Parameters:
* data - {String | DOMElement} Data to read.
* options - {Object} Options for the reader.
* root - {DOMElement}
* options - {Object} Optional configuration object.
*
* Returns:
* {Object} An object representing the structure of the document.
* {String} The version to use.
*/
read: function(data, options) {
if(typeof data == "string") {
data = OpenLayers.Format.XML.prototype.read.apply(this, [data]);
}
var root = data.documentElement;
getVersion: function(root, options) {
var version = this.version;
if(!version) {
// remember version does not correspond to the OWS version
@@ -75,19 +59,20 @@ OpenLayers.Format.OWSCommon = OpenLayers.Class(OpenLayers.Format.XML, {
version = this.defaultVersion;
}
}
if(!this.parser || this.parser.VERSION != version) {
var format = OpenLayers.Format.OWSCommon[
"v" + version.replace(/\./g, "_")
];
if(!format) {
throw "Can't find a OWSCommon parser for version " +
version;
}
this.parser = new format(this.options);
}
var ows = this.parser.read(data, options);
return ows;
return version;
},
/**
* APIMethod: read
* Read an OWSCommon document and return an object.
*
* Parameters:
* data - {String | DOMElement} Data to read.
* options - {Object} Options for the reader.
*
* Returns:
* {Object} An object representing the structure of the document.
*/
CLASS_NAME: "OpenLayers.Format.OWSCommon"
});