import org.snmp4j.security.Priv3DES; //导入依赖的package包/类
private OID convertPrivacyProtocol(String privacyProtocol) {
    if (privacyProtocol == null) {
        return null;
    }    
    if ("DES".equals(privacyProtocol)) {
        return PrivDES.ID;
    } else if ("TRIDES".equals(privacyProtocol)) {
        return Priv3DES.ID;
    } else if ("AES128".equals(privacyProtocol)) {
        return PrivAES128.ID;
    } else if ("AES192".equals(privacyProtocol)) {
        return PrivAES192.ID;
    } else if ("AES256".equals(privacyProtocol)) {
        return PrivAES256.ID;
    } else {
        throw new IllegalArgumentException("Unknown privacy protocol: " + privacyProtocol);
    }
}
 

import org.snmp4j.security.Priv3DES; //导入依赖的package包/类
private OID privType(SnmpV3Target v3Target) {
  switch (v3Target.getPrivType()) {
    case DES:
      return PrivDES.ID;
    case DES3:
      return Priv3DES.ID;
    case AES128:
      return PrivAES128.ID;
    case AES192:
      return PrivAES192.ID;
    case AES256:
      return PrivAES256.ID;
    default:
      throw new IllegalArgumentException("unrecognized privacy type");
  }
}
 

import org.snmp4j.security.Priv3DES; //导入依赖的package包/类
private OID privProtocol() {
    PrivProtocol pp = PrivProtocol.valueOf(conf("privProtocol", PrivProtocol.NONE));
    switch (pp) {
    case DES: return PrivDES.ID;
    case AES128: return PrivAES128.ID;
    case AES192: return PrivAES192.ID;
    case AES256: return PrivAES256.ID;
    case _3DES: return Priv3DES.ID;
    default: return null;
    }
}