Class FSBuddyStorage

  • All Implemented Interfaces:
    BuddyStorage

    public class FSBuddyStorage
    extends java.lang.Object
    implements BuddyStorage
    Default (file system based) BuddyStorage class

    Stores each buddy list under the {SFS2X-folder}/data/buddylists/{Zonename}/{Username} folder
    Where {Username} is the "encoded" version of the User name. The encoded name consist simply of the hexadecimal version of the name. This allows to store any user name in the file system including those containing avoid characters (such as *, :, ? etc...)

    • Constructor Detail

      • FSBuddyStorage

        public FSBuddyStorage()
    • Method Detail

      • init

        public void init()
        Description copied from interface: BuddyStorage
        Initialize the Storage class

        Add here all the necessary code to startup your BuddyStorage class. If you are using a database, this is the right place to start up your connection etc...

        Specified by:
        init in interface BuddyStorage
      • destroy

        public void destroy()
        Description copied from interface: BuddyStorage
        Destroy the Storage class.

        This method is invoked by the server when shutting down the Zones. Here you should make sure to release any resources you might have acquired in the init() phase.

        Specified by:
        destroy in interface BuddyStorage
      • loadList

        public BuddyList loadList​(java.lang.String ownerName)
                           throws SFSBuddyListNotFoundException,
                                  java.io.IOException
        Description copied from interface: BuddyStorage
        Load a Buddy List from your data source. This method is invoked by the Buddy System when Buddy data needs to be loaded.
        Specified by:
        loadList in interface BuddyStorage
        Parameters:
        ownerName - name of the BuddyList owner
        Returns:
        the BuddyList
        Throws:
        SFSBuddyListNotFoundException - thrown if no BuddyList is found for the required User
        java.io.IOException - thrown if any problem arises during the loading process
      • saveList

        public void saveList​(BuddyList buddyList)
                      throws java.io.IOException
        Description copied from interface: BuddyStorage
        This method is invoked by the Buddy System when a BuddyList needs to be saved.
        Specified by:
        saveList in interface BuddyStorage
        Parameters:
        buddyList - the BuddyList
        Throws:
        java.io.IOException - thrown if any error arises during the saving process
      • getOfflineVariables

        public java.util.List<BuddyVariable> getOfflineVariables​(java.lang.String buddyName)
                                                          throws java.io.IOException
        Description copied from interface: BuddyStorage
        Load the off-line persistent variables for a specific User.

        Since off-line variables are available even when the Buddy is not online this method can be called at any time by the Buddy System. Using a cache to store these variables is usually recommended in order to avoid loading this data multiple timese from a "slow" data sources, such as the Database.

        Specified by:
        getOfflineVariables in interface BuddyStorage
        Parameters:
        buddyName - the name of the Buddy
        Returns:
        the List of off-line BuddyVariables
        Throws:
        java.io.IOException - thrown if the loading process fails