Flags.Flag (JavaMail API documentation)
Date: 2018-10-22

javax.mail

## Class Flags.Flag

- java.lang.Object
- - javax.mail.Flags.Flag

- Enclosing class:
    Flags

      public static final class Flags.Flag
      extends java.lang.Object

  This inner class represents an individual system flag. A set of standard system flag objects are predefined here.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static Flags.Flag` | `ANSWERED` This message has been answered.
    `static Flags.Flag` | `DELETED` This message is marked deleted.
    `static Flags.Flag` | `DRAFT` This message is a draft.
    `static Flags.Flag` | `FLAGGED` This message is flagged.
    `static Flags.Flag` | `RECENT` This message is recent.
    `static Flags.Flag` | `SEEN` This message is seen.
    `static Flags.Flag` | `USER` A special flag that indicates that this folder supports user defined flags.

  - ### Method Summary

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

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

- - ### Field Detail

    - #### ANSWERED

          public static final Flags.Flag ANSWERED

      This message has been answered. This flag is set by clients to indicate that this message has been answered to.

    - #### DELETED

          public static final Flags.Flag DELETED

      This message is marked deleted. Clients set this flag to mark a message as deleted. The expunge operation on a folder removes all messages in that folder that are marked for deletion.

    - #### DRAFT

          public static final Flags.Flag DRAFT

      This message is a draft. This flag is set by clients to indicate that the message is a draft message.

    - #### FLAGGED

          public static final Flags.Flag FLAGGED

      This message is flagged. No semantic is defined for this flag. Clients alter this flag.

    - #### RECENT

          public static final Flags.Flag RECENT

      This message is recent. Folder implementations set this flag to indicate that this message is new to this folder, that is, it has arrived since the last time this folder was opened.

      Clients cannot alter this flag.

    - #### SEEN

          public static final Flags.Flag SEEN

      This message is seen. This flag is implicitly set by the implementation when the this Message's content is returned to the client in some form. The `getInputStream` and `getContent` methods on Message cause this flag to be set.

      Clients can alter this flag.

    - #### USER

          public static final Flags.Flag USER

      A special flag that indicates that this folder supports user defined flags.

      The implementation sets this flag. Clients cannot alter this flag but can use it to determine if a folder supports user defined flags by using `folder.getPermanentFlags().contains(Flags.Flag.USER)`.

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