code: public synchronized XAttribute get(Object key) {
  		if(size == 0) {
  			return null;
  		} else {
  			try {
  				XAttributeMap map = deserialize();
  				return map.get(key);
  			} catch (IOException e) {
  				e.printStackTrace();
  				return null;
  			}
  		}
  	}
docs: /* (non-Javadoc)
  @see java.util.Map#get(java.lang.Object)