boon/src/main/java/org/boon/core/reflection/MapperSimple.java
@Override
    public  Object fromMap(Map<String, Object> map) {
        String clazz = (String) map.get( "class" );
        Class cls = Reflection.loadClass( clazz );
        return fromMap(map, cls);
    }
@Override
    public  Object fromMap(Map<String, Object> map) {
        String clazz = (String) map.get( "class" );
        Class cls = Reflection.loadClass( clazz );
        return fromMap(map, cls);
    }
fromMap converts a map into a Java object.
This version will see if there is a class parameter in the map, and dies if there is not.
@param map map to create the object from.
@return new object