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

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static String`
  `getCommand(int command)`
  Gets 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 Details

  - ### 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
    Gets 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 Details

  - ### getCommand

    public static String getCommand(int command)
    Gets 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.