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## org.jivesoftware.openfire.muc
Interface MUCRole

All Known Implementing Classes:
  LocalMUCRole, RemoteMUCRole

    public interface MUCRole

Defines the permissions and actions that a MUCUser may use in a particular room. Each MUCRole defines the relationship between a MUCRoom and a MUCUser.

MUCUsers can play different roles in different chatrooms.

Author:
  Gaston Dombiak

Nested Class Summary
`static class` | `MUCRole.Affiliation`
`static class` | `MUCRole.Role`

Method Summary
`void` | `changeNickname(String nickname)` Changes the nickname of the occupant within the room to the new nickname.
`void` | `destroy()` Destroys this role after the occupant left the room.
`MUCRole.Affiliation` | `getAffiliation()` Obtain the affiliation state of the user.
`MUCRoom` | `getChatRoom()` Obtain the chat room that hosts this user's role.
`String` | `getNickname()` Obtain the nickname for the user in the chatroom.
`NodeID` | `getNodeID()` Returns the id of the node that is hosting the room occupant.
`org.xmpp.packet.Presence` | `getPresence()` Obtain the current presence status of a user in a chatroom.
`MUCRole.Role` | `getRole()` Obtain the role state of the user.
`org.xmpp.packet.JID` | `getRoleAddress()` Obtain the XMPPAddress representing this role in a room: room@server/nickname
`org.xmpp.packet.JID` | `getUserAddress()` Obtain the XMPPAddress of the user that joined the room.
`boolean` | `isLocal()` Returns true if this room occupant is hosted by this JVM.
`boolean` | `isVoiceOnly()` Returns true if the room occupant does not want to get messages broadcasted to all room occupants.
`void` | `send(org.xmpp.packet.Packet packet)` Sends a packet to the user.
`void` | `setAffiliation(MUCRole.Affiliation newAffiliation)` Call this method to promote or demote a user's affiliation in a chatroom.
`void` | `setPresence(org.xmpp.packet.Presence presence)` Set the current presence status of a user in a chatroom.
`void` | `setRole(MUCRole.Role newRole)` Call this method to promote or demote a user's role in a chatroom.

Method Detail

### getPresence

    org.xmpp.packet.Presence getPresence()

  Obtain the current presence status of a user in a chatroom.

  Returns:
    The presence of the user in the room.

### setPresence

    void setPresence(org.xmpp.packet.Presence presence)

  Set the current presence status of a user in a chatroom.

  Parameters:
    `presence` - The presence of the user in the room.

### setRole

    void setRole(MUCRole.Role newRole)
                 throws NotAllowedException

  Call this method to promote or demote a user's role in a chatroom. It is common for the chatroom or other chat room members to change the role of users (a moderator promoting another user to moderator status for example).

  Owning ChatUsers should have their membership roles updated.

  Parameters:
    `newRole` - The new role that the user will play.
  Throws:
    `NotAllowedException` - Thrown if trying to change the moderator role to an owner or administrator.

### getRole

    MUCRole.Role getRole()

  Obtain the role state of the user.

  Returns:
    The role status of this user.

### setAffiliation

    void setAffiliation(MUCRole.Affiliation newAffiliation)
                        throws NotAllowedException

  Call this method to promote or demote a user's affiliation in a chatroom.

  Parameters:
    `newAffiliation` - the new affiliation that the user will play.
  Throws:
    `NotAllowedException` - thrown if trying to ban an owner or an administrator.

### getAffiliation

    MUCRole.Affiliation getAffiliation()

  Obtain the affiliation state of the user.

  Returns:
    The affiliation status of this user.

### changeNickname

    void changeNickname(String nickname)

  Changes the nickname of the occupant within the room to the new nickname.

  Parameters:
    `nickname` - the new nickname of the occupant in the room.

### getNickname

    String getNickname()

  Obtain the nickname for the user in the chatroom.

  Returns:
    The user's nickname in the room or null if invisible.

### destroy

    void destroy()

  Destroys this role after the occupant left the room. This role will be removed from MUCUser.

### isVoiceOnly

    boolean isVoiceOnly()

  Returns true if the room occupant does not want to get messages broadcasted to all room occupants. This type of users are called "deaf" occupants. Deaf occupants will still be able to get private messages, presences, IQ packets or room history.

  To be a deaf occupant the initial presence sent to the room while joining the room has to include the following child element:

       <x xmlns='http://jivesoftware.org/protocol/muc'>
           <deaf-occupant/>
       </x>

  Note that this is a custom extension to the MUC specification.

  Returns:
    true if the room occupant does not want to get messages broadcasted to all room occupants.

### getChatRoom

    MUCRoom getChatRoom()

  Obtain the chat room that hosts this user's role.

  Returns:
    The chatroom hosting this role.

### getRoleAddress

    org.xmpp.packet.JID getRoleAddress()

  Obtain the XMPPAddress representing this role in a room: room@server/nickname

  Returns:
    The Jabber ID that represents this role in the room.

### getUserAddress

    org.xmpp.packet.JID getUserAddress()

  Obtain the XMPPAddress of the user that joined the room. A `null` null value represents the room's role.

  Returns:
    The address of the user that joined the room or null if this role belongs to the room itself.

### isLocal

    boolean isLocal()

  Returns true if this room occupant is hosted by this JVM.

  Returns:
    true if this room occupant is hosted by this JVM

### getNodeID

    NodeID getNodeID()

  Returns the id of the node that is hosting the room occupant.

  Returns:
    the id of the node that is hosting the room occupant.

### send

    void send(org.xmpp.packet.Packet packet)

  Sends a packet to the user.

  Parameters:
    `packet` - The packet to send

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