Hi all,
I need to serialize FeatureType instances.
I am trying to use org.geotools.gml.producer.FeatureTypeTransformer to
create a XML flow :
{code}
SimpleFeatureType next = ...
ByteArrayOutputStream baos = new ByteArrayOutputStream();
FeatureTypeTransformer t = new FeatureTypeTransformer();
baos.write("<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\
">\n".getBytes());
// added because
SchemaFactory complains about not finding this tag
t.transform(next, baos);
baos.write("</xs:schema>".getBytes());
{code}
Then I try to read my XML back :
{code}
bais = new ByteArrayInputStream(baos.toByteArray());
Schema schema = SchemaFactory.getInstance(new URI("
http://www.w3.org/2001/XMLSchema";),bais);
// raise NullPointerException
SimpleFeatureType type = (SimpleFeatureType)
GMLComplexTypes.createFeatureType(schema.getComplexTypes()[0]));
{code}
I get a NullPointerException at this point :
java.lang.NullPointerException
at java.net.URI$Parser.parse(URI.java:3010)
at java.net.URI.<init>(URI.java:578)
at org.geotools.xml.handlers.xsi.SchemaHandler.startElement(
SchemaHandler.java:134)
at org.geotools.xml.XSISAXHandler.startElement(XSISAXHandler.java:226)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown
Source)
at org.apache.xerces.impl.XMLNSDocumentScannerImpl.scanStartElement(Unknown
Source)
at
org.apache.xerces.impl.XMLNSDocumentScannerImpl$NSContentDispatcher.scanRootElementHook(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown
Source)
at
org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown
Source)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:375)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:176)
at org.geotools.xml.SchemaFactory.parseSchema(SchemaFactory.java:364)
at org.geotools.xml.SchemaFactory.getRealInstance(SchemaFactory.java
:334)
at org.geotools.xml.SchemaFactory.getInstance(SchemaFactory.java:326)
at org.geotools.xml.SchemaFactory.getInstance(SchemaFactory.java:195)
Any idea about what I should do ?
Thanks,
Christophe
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