use type attribute in XML and annotations as attributes

1. Make PreprocessingConverter capable of

• catching class/field XML tag formation
• managing list of PreprocessingListener and passing there tag events
  2. make Type2AttribListener which adds type attribute with class name
  3. make Annotation2AttribListener which adds attribute from Java5 annotations

Implementation:

• extension package, no current code change needed
• 1,2 JRE 1.3;
• Annotation2AttribListener JRE 1.5+

In wish list

• add events "In Begginig of tag body" "In End of tag body" ( say, for XML comments)
• optionally exclude from attributes some of annotaions: XStream control, J2EE, user defined. Or use permitted annotations list. (Configuration on level Annotation2AttribListener)

The prove of concept:
http://javasa.org/~suns/demos/AnnotationTest/

Extension library:
http://javasa.org/~suns/demos/J2XmlExpansion/