XBinder 2.3 has been released. New features include:
- Support for Visual Studio 2012
- 64-bit Windows libraries
- Java and C# support for nillable elements (C & C++ already supported)
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Java and C# Nillable Elements
The new support for nillable elements is pretty easy to work with. A nillable element is modeled using XBNillableElem. XBNillableElem is a wrapper class that contains a value representing an XSD type and a flag that indicates whether that value has been nilled or not. For example, you may have some XSD such as:
<complexType name="MyComplex"> <xsd:sequence> <xsd:element name="an_element" type="xsd:string"/> </xsd:sequence> <xsd:attribute name="an_attribute" type="xsd:string" use="required"/> </xsd:complexType> [...] <!-- An element inside some complex type --> <xsd:element name="myComplexElem" type="MyComplex" nillable="true"/> [...]
You will then have a field generated such as:
protected XBNillableElem<MyComplex> myComplexElem;
When creating a value for myComplexElem, you may create a nilled or not-nilled element. If you create a nilled element, you will not need to populate "an_element" (it is not present when the element is nilled), but you will need to populate "an_attribute" (it is present when the element is nilled). Here is an example of populating myComplexElem as being nilled:
MyComplex myComplex = new MyComplex();
myComplex.setAn_attribute("attribute value");
outerobj.setMyComplexElem( new XBNillableElem<MyComplex>
myComplex, true /*nilled*/) );