Re: [Geotools-gt2-users] Encoding FeatureCollection to GML returns empty GML Document

[Georg W. <wa...@un...>]

Justin Deoliveira wrote:
> 
> Hi Georg,
> 
> Which version of GeoTools are you using? The GML2 support has been 
> improved in more recent versions.
> 
> -Justin
> 
> Georg Walenciak wrote:
>> Hello,
>> I am trying to encode a FeatureCollection to a gml Document using the
>> code
>> snippet i found in the geotools user guid
>> (http://docs.codehaus.org/display/GEOTDOC/GML+XML+Support)
>> I'm using the code to parse a gml document without a schema which already
>> works quite fine. Now i'm trying to encode a featurecollection to a gml
>> document with the code posted at the end of this document. Streaming the
>> "xml" to a document returns the following result:
>> 
>> <?xml version="1.0" encoding="UTF-8"?>
>> <gml:_FeatureCollection xmlns:gml="http://www.opengis.net/gml"
>> xmlns:xlink="http://www.w3.org/1999/xlink"/>
>> 
>> But I know that the featurecollection is not empty since i used the
>> recentliy parsed featurecollection.
>> Can anyone help me out with this problem?
>> Thanks
>> 
>> Georg Walenciak
>> 
>> 
>> 	public void createGmlFeatureCollection(FeatureCollection
>> featureCollection){	
>>                 
>>                 org.geotools.xml.Configuration configuration = new
>> org.geotools.gml2.GMLConfiguration();
>> 	   	org.geotools.xml.Encoder encoder = new org.geotools.xml.Encoder(
>> configuration );
>> 
>> 		//output stream to serialize to
>> 		ByteArrayOutputStream xml = new ByteArrayOutputStream();
>> 
>> 			try {
>> 				
>> 			
>> encoder.encode(featureCollection,org.geotools.gml2.GML._FeatureCollection,xml);
>> 				
>> 			} catch (IOException e) {
>> 				// TODO Auto-generated catch block
>> 				e.printStackTrace();
>> 			}
>>                }
> 
> 
> -- 
> Justin Deoliveira
> OpenGeo - http://opengeo.org
> Enterprise support for open source geospatial.
> 
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> 

hi justin,
i was using geotools-2.5.5...
using geotools-2.6-M1 solved the problem
than you very much for help
best regards
georg

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