converter for maps

MapConverter.java

@Component
public class MapConverter implements Converter { //from XStream

   //unmarshal => empty

   public boolean canConvert(Class type) { return Map.class.isAssignableFrom(type); }

   public void marshal(Object value, HierarchicalStreamWriter writer, MarshalingContext context) {
       Map<String, Object> map = (Map<String, Object>) value; //assuming this

       for(Entry<String,Object> entry: map.entrySet()) {
            writer.startNode(entry.getKey());
            context.convertAnother(entry.getValue());
            writer.endNode();
       }
   }

}