Question

I have an issue with the marshalling on my JAXB and don’t quite understand why.
When I marshall out the data and add it to the xml file, all is correct except it imports the XML coding at the top.

Example of before:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<FlightDetails xmlns="http://xml.netbeans.org/schema/Shows">
    <FlightDetailsCollection>
        <DestinationCity>France</DestinationCity>
        <ExtraInfo>Free Wifi</ExtraInfo>
        <Date>2009-03-09</Date>
        <Fare>
            <CurrencyName>GBP</CurrencyName>
            <CurrencyFare>60.0</CurrencyFare>
        </Fare>
    </FlightDetailsCollection>
</FlightDetails>

Then when I add the marshalled data it appears as so:

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<FlightDetails xmlns="http://xml.netbeans.org/schema/Shows">
    <FlightDetailsCollection>
        <OriginCity>London</OriginCity>
        <DestinationCity>France</DestinationCity>
        <AirlineBrand>Ryan Air</AirlineBrand>
        <ExtraInfo>Free Wifi</ExtraInfo>
        <Date>2009-03-09</Date>
        <Fare>
            <CurrencyName>GBP</CurrencyName>
            <CurrencyFare>60.0</CurrencyFare>
        </Fare>
    </FlightDetailsCollection>
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<FlightDetails xmlns="http://xml.netbeans.org/schema/Shows">
    <FlightDetailsCollection>
        <OriginCity>Germany</OriginCity>
        <DestinationCity>France</DestinationCity>
        <AirlineBrand>Virgin Air</AirlineBrand>
        <Date>2009-03-09</Date>
        <Fare>
            <CurrencyName>GBP</CurrencyName>
            <CurrencyFare>200.0</CurrencyFare>
        </Fare>
    </FlightDetailsCollection>
</FlightDetails>

As you can see it’s added the following before putting it into the XML file.

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<FlightDetails xmlns="http://xml.netbeans.org/schema/Shows">

How would I be able to stop it from including the encoding and schema name? In debug it seems to be only containing the needed information so I cant trace it. I presume it was JAXB adding it in, however could be wrong.

Many thanks,

Answer 1

You can do the following to omit the XML declaration:

Marshaller marshaller = jc.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FRAGMENT, true);

I would create a StAX XMLStreamWriter to wrap your output and keep marshalling to that which will help manage your namespace declarations and add a root element.