Class MUCRoomHistory

java.lang.Object
org.jivesoftware.openfire.muc.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:
  • Constructor Details

    • MUCRoomHistory

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

      public MUCRoomHistory(MUCRoom room, HistoryStrategy historyStrategy)
  • Method Details

    • 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 number of historic messages to keep for this room, or -1.
    • equals

      public boolean equals(Object o)
      Overrides:
      equals in class Object
    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object
    • writeExternal

      public void writeExternal(ObjectOutput out) throws IOException
      Specified by:
      writeExternal in interface Externalizable
      Throws:
      IOException
    • readExternal

      public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
      Specified by:
      readExternal in interface Externalizable
      Throws:
      IOException
      ClassNotFoundException