[OpenLayers-Users] XML Parsing via OpenLayers?

[Maps-R-us]

Thanks Bart,

I will give that a try.  Openlayers sure requires a lot more code than the
Google Maps API XML parser!

Cheers,

Mark



Bart van den Eijnden wrote:
> 
> Maybe you can try and create your own Format class, something like:
> 
> /**
>  * @requires OpenLayers/Format/XML.js
>  *
>  */
> OpenLayers.Format.MyFormat = OpenLayers.Class(
>     OpenLayers.Format.XML, {
>    
>     initialize: function(options) {
>         OpenLayers.Format.XML.prototype.initialize.apply(this, [options]);
>         this.options = options;
>     },
> 
>     read: function(data) {
>         if(typeof data == "string") {
>             data = OpenLayers.Format.XML.prototype.read.apply(this,
> [data]);
>         }
>         // do your stuff here, it's just an example
>         var root = data.documentElement;
>         var children = root.childNodes;
>         for(var i = 0; i < children.length; ++i) {
>             childNode = children[i];
>             var nodeName = childNode.nodeName;
>             if (nodeName == 'Toolbar') {
>               this.parseToolbar(childNode);
>             }
>         }
>         // return your array here
>     },
>    
>     CLASS_NAME: "OpenLayers.Format.MyFormat"
> 
> });
> 
> 
> And then:
> 
>          OpenLayers.loadURL(myURL, "", null, function(response) {
>              var format = new OpenLayers.Format.MyFormat();
>              var myArray = format.read(response.responseXML || 
> response.responseText);
>              console.log(myArray);
>          });
> 
> Best regards,
> Bart
> 
> Maps-R-us wrote:
>> Thank you Bart,
>>
>> I actually do this in my loadSuccess function:
>>
>>         function loadSuccess(request) {
>>
>>             updateStatus("loaded");
>>             if(!request.responseXML.documentElement) {
>>                 doc = format.read(request.responseText);
>>             } else {
>>                 doc = request.responseXML;
>>             }
>>         }
>>
>> Is this correct?
>>
>> M
>>
>> Bart van den Eijnden wrote:
>>   
>>> You need to parse the XML in the loadSuccess function, check 
>>> examples/GMLParser.html for an example.
>>>
>>> Best regards,
>>> Bart
>>>
>>> Maps-R-us wrote:
>>>     
>>>> Hi there,
>>>>
>>>> I would like to retrieve elements in an xml file based on tag name and
>>>> populate an array.  Here is a sample of the XML:
>>>>
>>>> <users>
>>>>   <user>
>>>>   <fullname>Test</fullname>
>>>>   <ID>3400</ID>
>>>>   <lat>0.003926753994724706</lat>
>>>>   <lon>0.00446319580078125</lon>
>>>>  
>>>> <image>http://40.media.vimeo.com/d1/5/35/85/81/portrait-35858134.jpg</image>
>>>>   <floor>3</floor>
>>>>   </user>
>>>> </users>
>>>>
>>>> My code fails on the getElementsByNameNS()
>>>>
>>>>
>>>> var format = new OpenLayers.Format.XML();
>>>> var doc = null;
>>>> var url = "officedata.xml";
>>>> OpenLayers.loadURL(url, null, null, loadSuccess, loadFailure);
>>>> var attributeValue = [];
>>>> var attributeValue[1] = format.getElementsByTagNameNS(doc,
>>>> '*','fullname');
>>>> alert (attributeValue[1]);
>>>>
>>>> Any ideas?
>>>>
>>>> Thank you in advance,
>>>>
>>>> M
>>>>
>>>>   
>>>>       
>>> -- 
>>> Bart van den Eijnden
>>> OSGIS, Open Source GIS
>>> bartvde at osgis.nl
>>> http://www.osgis.nl
>>>
>>> _______________________________________________
>>> Users mailing list
>>> Users at openlayers.org
>>> http://openlayers.org/mailman/listinfo/users
>>>
>>>
>>>     
>>
>>   
> 
> 
> -- 
> Bart van den Eijnden
> OSGIS, Open Source GIS
> bartvde at osgis.nl
> http://www.osgis.nl
> 
> _______________________________________________
> Users mailing list
> Users at openlayers.org
> http://openlayers.org/mailman/listinfo/users
> 
> 

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