javax.mail
Class Flags.Flag
- 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.
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 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).