@Override
    public Object unmarshal ( String data ) throws Exception {
        com.thoughtworks.xstream.XStream xs = new com.thoughtworks.xstream.XStream();
        return xs.fromXML(data);
    }
{@inheritDoc}

@see marshalsec.MarshallerBase#unmarshal(java.lang.Object)
src/main/java/marshalsec/XStream.java