SimpleType with restriction WSDL to java mapping not compliant with JAX-RPC Specs

[Tevoi Andrea]

Hi all,
I've seen that for a simple type derived from another simple type WSDL2Java tool 
generates a wrapped class, not according with jax-rpc specs (4.2.5).

example:

<xsd:complexType name="MyBean">
        <xsd:sequence>
                ...
                <xsd:element name="StringRestriction">
                        <xsd:simpleType>
                                <xsd:restriction base="xsd:string">
                                        <xsd:maxLength value="4"/>
                                </xsd:restriction>
                        </xsd:simpleType>
                </xsd:element>
                ...
        </xsd:sequence>
</xsd:complexType>

For the Element inside the ComplexType that derives from xsd:string, WSDL2java 
generates a StringRestriction.java class.
Moreover, MyBean.java class has a method setStringRestriction(StringRestriction 
stringRestriction)

is this an Axis bug?

thanks in advance,
Andrea Tevoi