Class MUCRoomHistory

  • All Implemented Interfaces:
    Externalizable, Serializable

    public final class MUCRoomHistory
    extends Object
    implements Externalizable
    Represent the data model for one MUCRoom history. Including chat transcript, joining and leaving times.
    Author:
    Gaston Dombiak, Guus der Kinderen, guus@goodbytes.nl
    See Also:
    Serialized Form
    • Constructor Detail

      • MUCRoomHistory

        public MUCRoomHistory()
        This constructor is provided to comply with the Externalizable interface contract. It should not be used directly.
    • Method Detail

      • addMessage

        public void addMessage​(org.xmpp.packet.Message packet)
      • getMessageHistory

        public Iterator<org.xmpp.packet.Message> getMessageHistory()
      • getReverseMessageHistory

        public ListIterator<org.xmpp.packet.Message> getReverseMessageHistory()
        Obtain the current history to be iterated in reverse mode. This means that the returned list iterator will be positioned at the end of the history so senders of this message must traverse the list in reverse mode.
        Returns:
        A list iterator of Message objects positioned at the end of the list.
      • addOldMessages

        public void addOldMessages​(@Nonnull
                                   List<org.xmpp.packet.Message> oldMessages)
        Add message(s) to the history of the chat room. The messages will likely come from the database when loading the room history from the database.
        Parameters:
        oldMessages - The messages to add to the history
      • addOldMessages

        public void addOldMessages​(@Nonnull
                                   org.xmpp.packet.Message... oldMessages)
        Add message(s) to the history of the chat room. The messages will likely come from the database when loading the room history from the database.
        Parameters:
        oldMessages - The messages to add to the history
      • parseHistoricMessage

        public org.xmpp.packet.Message parseHistoricMessage​(String senderJID,
                                                            String nickname,
                                                            Date sentDate,
                                                            String subject,
                                                            String body,
                                                            String stanza)
        Creates a new message, representing a message that was exchanged in a chat room in the past, based on the provided information. This information will likely come from the database when loading the room history from the database.
        Parameters:
        senderJID - the sender's JID of the message.
        nickname - the sender's nickname of the message.
        sentDate - the date when the message was sent to the room.
        subject - the subject included in the message.
        body - the body of the message.
        stanza - the stanza to add
        Returns:
        A historic chat message.
      • purge

        public void purge()
        Removes all history that is maintained for this instance.
      • getRoom

        protected MUCRoom getRoom()
        Returns the room for which this instance is operating.
        Returns:
        A room.
      • hasChangedSubject

        public boolean hasChangedSubject()
        Returns true if there is a message within the history of the room that has changed the room's subject.
        Returns:
        true if there is a message within the history of the room that has changed the room's subject.
      • getChangedSubject

        @Nullable
        public org.xmpp.packet.Message getChangedSubject()
        Returns the message within the history of the room that has changed the room's subject.
        Returns:
        the latest room subject change or null if none exists yet.
      • isSubjectChangeRequest

        public boolean isSubjectChangeRequest​(org.xmpp.packet.Message message)
        Returns true if the given message qualifies as a subject change request, per XEP-0045.
        Parameters:
        message - the message to check
        Returns:
        true if the given packet is a subject change request
      • getMaxMessages

        public int getMaxMessages()
        Returns the maximum number of messages that is kept in history for this room, or -1 when there is no such limit.
        Returns:
        The maximum amount of historic messages to keep for this room, or -1.
      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object