// Tag interface
//-------------------------------------------------------------------------
public void doTag(XMLOutput output) throws Exception {
if ( var == null ) {
throw new MissingAttributeException( "var" );
}
if ( className == null ) {
throw new MissingAttributeException( "className" );
}
Class theClass = getClassLoader().loadClass( className );
Object object = theClass.newInstance();
context.setVariable(var, object);
}