[jira] Updated: (CXF-29) DatatypeProvider not set

["Andrea Smyth (JIRA)" <ji...@apache.org>]

     [ http://issues.apache.org/jira/browse/CXF-29?page=all ]

Andrea Smyth updated CXF-29:
----------------------------

    Summary: DatatypeProvider not set  (was: Set DatatypeProvider)

> DatatypeProvider not set
> ------------------------
>
>                 Key: CXF-29
>                 URL: http://issues.apache.org/jira/browse/CXF-29
>             Project: CeltiXfire
>          Issue Type: Bug
>          Components: JAXB Databinding
>            Reporter: Andrea Smyth
>
> When you instantiate a class that is mapped from an element which has a base64Binary attribute with a default value, and subsequently call the getter for this attribute, the invocation will fail with a NPE unless somwhere in the code a DatatypeConverter was set via DatatypeConverter.setDatatypeConverter(javax.xml.bind.DatatypeConverterInterface converter):
> e.g. generated code:
> public class Foo {
> ...
> public byte[] getBase64BinaryAttr() {
>        if (base64BinaryAttr == null) {
>            return DatatypeConverter.parseBase64Binary("wxyz");
>        } else {
>            return base64BinaryAttr;
>        }
>    }
> }
> application code:
> Foo foo = new ObjectFactory().createFoo();
> DatatypeConverter.setDatatypeConverter(new DatatypeConverterImpl());
> byte[] value = foo.getBase64BinaryAttr()
> We should take care that somewhere in the runtime a DatatypeConverter is set, possibly through loading (but not necessarily registering) an extension in the rt-databinding-jaxb module? From the javadoc:
> " JAXB Providers are required to call this method at some point before allowing any of the JAXB client marshal or unmarshal operations to occur".
> We cannot take the DatatypeConverterImpl provided by sun (in the com.sun.xml.bind jaxb-impl.jar) as this has a protected constructor, but could use the one from jaxme project http://ws.apache.org/jaxme/

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