org.apache.commons.net.pop3

## Class POP3Command

- java.lang.Object
- - org.apache.commons.net.pop3.POP3Command

-     public final class POP3Command
      extends Object

  POP3Command stores POP3 command code constants.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static int` | `APOP` Authorization.
    `static int` | `AUTH` Authentication
    `static int` | `CAPA` The capabilities command.
    `static int` | `DELE` Delete message(s).
    `static int` | `LIST` List message(s).
    `static int` | `NOOP` No operation.
    `static int` | `PASS` Send password.
    `static int` | `QUIT` Quit session.
    `static int` | `RETR` Retrieve message(s).
    `static int` | `RSET` Reset session.
    `static int` | `STAT` Get status.
    `static int` | `TOP` Retrieve top number lines from message.
    `static int` | `UIDL` List unique message identifier(s).
    `static int` | `USER` Send user name.

  - ### Method Summary

    All Methods Static Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `static String` | `getCommand(int command)` Get the POP3 protocol string command corresponding to a command code.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### USER

          public static final int USER

      Send user name.
      See Also:
        Constant Field Values

    - #### PASS

          public static final int PASS

      Send password.
      See Also:
        Constant Field Values

    - #### QUIT

          public static final int QUIT

      Quit session.
      See Also:
        Constant Field Values

    - #### STAT

          public static final int STAT

      Get status.
      See Also:
        Constant Field Values

    - #### LIST

          public static final int LIST

      List message(s).
      See Also:
        Constant Field Values

    - #### RETR

          public static final int RETR

      Retrieve message(s).
      See Also:
        Constant Field Values

    - #### DELE

          public static final int DELE

      Delete message(s).
      See Also:
        Constant Field Values

    - #### NOOP

          public static final int NOOP

      No operation. Used as a session keepalive.
      See Also:
        Constant Field Values

    - #### RSET

          public static final int RSET

      Reset session.
      See Also:
        Constant Field Values

    - #### APOP

          public static final int APOP

      Authorization.
      See Also:
        Constant Field Values

    - #### TOP

          public static final int TOP

      Retrieve top number lines from message.
      See Also:
        Constant Field Values

    - #### UIDL

          public static final int UIDL

      List unique message identifier(s).
      See Also:
        Constant Field Values

    - #### CAPA

          public static final int CAPA

      The capabilities command.
      Since:
        3.0
      See Also:
        Constant Field Values

    - #### AUTH

          public static final int AUTH

      Authentication
      Since:
        3.0
      See Also:
        Constant Field Values

  - ### Method Detail

    - #### getCommand

          public static String getCommand(int command)

      Get the POP3 protocol string command corresponding to a command code.
      Parameters:
        `command` - the command code
      Returns:
        The POP3 protocol string command corresponding to a command code.

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