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## javax.mail.event
Class FolderEvent

    java.lang.Object
      java.util.EventObject
          javax.mail.event.MailEvent
              javax.mail.event.FolderEvent

All Implemented Interfaces:
  Serializable

    public class FolderEvent

extends MailEvent

This class models Folder existence events. FolderEvents are delivered to FolderListeners registered on the affected Folder as well as the containing Store.

Service providers vary widely in their ability to notify clients of these events. At a minimum, service providers must notify listeners registered on the same Store or Folder object on which the operation occurs. Service providers may also notify listeners when changes are made through operations on other objects in the same virtual machine, or by other clients in the same or other hosts. Such notifications are not required and are typically not supported by mail protocols (including IMAP).

See Also:
  Serialized Form

Field Summary
`static int` | `CREATED` The folder was created.
`static int` | `DELETED` The folder was deleted.
`protected Folder` | `folder` The folder the event occurred on.
`protected Folder` | `newFolder` The folder that represents the new name, in case of a RENAMED event.
`static int` | `RENAMED` The folder was renamed.
`protected int` | `type` The event type.

Fields inherited from class java.util.EventObject
`source`

Constructor Summary
`FolderEvent(Object source, Folder oldFolder, Folder newFolder, int type)` Constructor.
`FolderEvent(Object source, Folder folder, int type)` Constructor.

Method Summary
`void` | `dispatch(Object listener)` Invokes the appropriate FolderListener method
`Folder` | `getFolder()` Return the affected folder.
`Folder` | `getNewFolder()` If this event indicates that a folder is renamed, (i.e, the event type is RENAMED), then this method returns the Folder object representing the new name.
`int` | `getType()` Return the type of this event.

Methods inherited from class java.util.EventObject
`getSource, toString`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### CREATED

    public static final int CREATED

  The folder was created.

  See Also:
    Constant Field Values

### DELETED

    public static final int DELETED

  The folder was deleted.

  See Also:
    Constant Field Values

### RENAMED

    public static final int RENAMED

  The folder was renamed.

  See Also:
    Constant Field Values

### type

    protected int type

  The event type.

### folder

    protected transient Folder folder

  The folder the event occurred on.

### newFolder

    protected transient Folder newFolder

  The folder that represents the new name, in case of a RENAMED event.

  Since:
    JavaMail 1.1

Constructor Detail

### FolderEvent

    public FolderEvent(Object source,
                       Folder folder,
                       int type)

  Constructor.

  Parameters:
    `source` - The source of the event
    `folder` - The affected folder
    `type` - The event type

### FolderEvent

    public FolderEvent(Object source,
                       Folder oldFolder,
                       Folder newFolder,
                       int type)

  Constructor. Use for RENAMED events.

  Parameters:
    `source` - The source of the event
    `oldFolder` - The folder that is renamed
    `newFolder` - The folder that represents the new name
    `type` - The event type
  Since:
    JavaMail 1.1

Method Detail

### getType

    public int getType()

  Return the type of this event.

  Returns:
    type

### getFolder

    public Folder getFolder()

  Return the affected folder.

  Returns:
    the affected folder
  See Also:
    `getNewFolder()`

### getNewFolder

    public Folder getNewFolder()

  If this event indicates that a folder is renamed, (i.e, the event type is RENAMED), then this method returns the Folder object representing the new name.

  The `getFolder()` method returns the folder that is renamed.

  Returns:
    Folder representing the new name.
  Since:
    JavaMail 1.1
  See Also:
    `getFolder()`

### dispatch

    public void dispatch(Object listener)

  Invokes the appropriate FolderListener method

  Specified by:
    `dispatch` in class `MailEvent`

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