marshalling - Jaxb behaviour is odd -


i trying marshall , unmarshal gpx files extension. gpx schema allows have extension added in extensions tag example:

<trkpt lat="51.219983" lon="6.765224">     <ele>52.048584</ele>     <time>2009-06-19t10:13:04z</time>     <extensions>       <gpxdata:hr>164</gpxdata:hr>       <gpxdata:cadence>99</gpxdata:cadence>      </extensions>   </trkpt>

the gpx file correct , passes unmarshalling this:

jaxbcontext jaxbcontext = jaxbcontext.newinstance(gpxtype.class, com.cluetrust.xml.gpxdata._1._0.objectfactory.class); unmarshaller unmarshaller = jaxbcontext.createunmarshaller(); file file = new file("src/test/resources/gpx-example.gpx"); jaxbelement<gpxtype> unmarshal = (jaxbelement<gpxtype>) unmarshaller.unmarshal(file); gpxtype gpx = unmarshal.getvalue();

two things me odd. first off have unmarshal jaxbelement , cannot go straight gpxtype, have go jaxbelement first.

second of , (for me biggest problem) once have gpxtype object. part indeed done, extensions not:

extensionstype extensions = gpx.getextensions();         list<object> extensionsany = extensions.getany();         (object object : extensionsany){             system.out.println(object.getclass());             if (object instanceof jaxbelement) {                 jaxbelement element = (jaxbelement) object;                 laptype laptype = (laptype) element.getvalue();                 system.out.println(laptype.getstarttime());              }

it seems have jump through hoops here. have setup small project on github shown jaxbproblem. complete example gpx file using there too. namespaces in correct:

<gpx xmlns="http://www.topografix.com/gpx/1/1"  xmlns:gpxdata="http://www.cluetrust.com/xml/gpxdata/1/0"  creator="pytrainer http://sourceforge.net/projects/pytrainer" version="1.1">

edit: relevant part in schema :

<xsd:element name="lap" type="laptype">     <xsd:annotation>         <xsd:documentation>             lap used contain information individual lap of activity.             depending upon device, may contain variety of additional information.             depending upon device, may contained within run or course.         </xsd:documentation>     </xsd:annotation> </xsd:element>

and:

<xsd:complextype name="laptype">     <xsd:sequence>         <xsd:element name="index" type="xsd:int" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the index of lap in internal list.</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="startpoint" type="locationtype" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the starting point of lap in lat/long</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="endpoint" type="locationtype" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the ending point of lap in lat/long</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="starttime" type="xsd:datetime" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the starting time of lap</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="elapsedtime" type="xsd:float" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the total elapsed time of lap in seconds</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="calories" type="xsd:nonnegativeinteger" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the number of calories burned during lap</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="distance" type="xsd:float" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>distance (in m) covered during lap</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="trackreference" type="trackreferencetype" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>reference information track corresponds lap</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="summary" type="summarytype" minoccurs="0" maxoccurs="unbounded">             <xsd:annotation><xsd:documentation>performance summary elements summarizing different performance measurements, such cadence, hr, etc.</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="trigger" type="triggertype" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the trigger of lap.  on devices, lap may manual or automatic based on attributes known device.</xsd:documentation></xsd:annotation>         </xsd:element>         <xsd:element name="intensity" type="intensitykind" minoccurs="0" maxoccurs="1">             <xsd:annotation><xsd:documentation>the intensity of lap (whether resting or active)</xsd:documentation></xsd:annotation>         </xsd:element>     </xsd:sequence> </xsd:complextype>

this 1 of many types being introduced schema can found here

what doing wrong?


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