Hi everybody, Could please someone explain me somthing about that strange behavion found during Filter converision?
I convert an xml (ogc:filter) in a Filter object (org.opengis.filter.Filter)
and then
when I try to convert in back to xml it is completely different.
Could please someone explain me where is the point?
Because if I pass that filter to GeoServer it returns me
an exception because it is not respecting the OpenGis Filter Schema:
<ows:ExceptionText>
java.lang.RuntimeException: Parsing failed for BBOX:
java.lang.NullPointerException Parsing failed for BBOX:
java.lang.NullPointerException null
</ows:ExceptionText>
rgds
Milan A.
--
*Here the test code:*
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import org.opengis.filter.*;
import org.xml.sax.SAXException;
public class TestFilter2 {
public static void main(String[] args) {
org.geotools.xml.Configuration configuration =
new org.geotools.filter.v1_1.OGCConfiguration();
org.geotools.xml.Parser parser =
new org.geotools.xml.Parser(configuration);
String xml =
"<Filter xmlns:gml=\"http://www.opengis.net/gml\";>"
+ "<BBOX>"
+ "<PropertyName>Geometry</PropertyName>"
+ "<gml:Envelope>"
+ "<gml:lowerCorner>0 0</gml:lowerCorner>"
+ "<gml:upperCorner>10 10</gml:upperCorner>"
+ "</gml:Envelope>"
+ "</BBOX>"
+ "</Filter>";
Filter f;
try {
f = (Filter) parser.parse(new ByteArrayInputStream(
xml.getBytes()));
System.out.println(f);
org.geotools.filter.FilterTransformer ft = new
org.geotools.filter.FilterTransformer();
ft.setOmitXMLDeclaration(true);
ft.setNamespaceDeclarationEnabled(true);
ft.setIndentation(0);
try {
ft.setIndentation(2);
System.out.println(ft.transform(f));
} catch (TransformerException ex) {
System.err.println("TransformerException: " +
ex.getMessageAndLocation());
}
} catch (IOException ex) {
Logger.getLogger(TestFilter2.class.getName()).log(Level.SEVERE,
null, ex);
} catch (SAXException ex) {
Logger.getLogger(TestFilter2.class.getName()).log(Level.SEVERE,
null, ex);
} catch (ParserConfigurationException ex) {
Logger.getLogger(TestFilter2.class.getName()).log(Level.SEVERE,
null, ex);
}
}
}
***
Output:
[ Geometry bbox POLYGON ((0 0, 0 10, 10 10, 10 0, 0 0)) ]
<ogc:Filter xmlns="http://www.opengis.net/ogc"; xmlns:ogc="
http://www.opengis.net/ogc"; xmlns:gml="http://www.opengis.net/gml";>
<ogc:BBOX>
<ogc:PropertyName>Geometry</ogc:PropertyName>
<gml:Polygon>
<gml:outerBoundaryIs>
<gml:LinearRing>
<gml:coordinates xmlns:gml="http://www.opengis.net/gml";
decimal="." cs="," ts=" ">0,0 0,10 10,10 10,0 0,0</gml:coordinates>
</gml:LinearRing>
</gml:outerBoundaryIs>
</gml:Polygon>
</ogc:BBOX>
</ogc:Filter>
Why?? [?]
<<361.gif>>
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