public String toString() { boolean hasUser = (this.get("user") != null); boolean hasPassword = (this.get("password") != null); if (hasUser || hasPassword) { AuthMaskingProperties clone = (AuthMaskingProperties) this.clone(); if (hasUser) clone.put("user", "******"); if (hasPassword) clone.put("password", "******"); return clone.normalToString(); } else return this.normalToString(); }