tigase.xmpp.impl

## Class FlexibleOfflineMessageRetrieval

- java.lang.Object
- - tigase.xmpp.XMPPProcessor
  - - tigase.xmpp.impl.annotation.AnnotatedXMPPProcessor
    - - tigase.xmpp.XMPPProcessorAbstract
      - - tigase.xmpp.impl.FlexibleOfflineMessageRetrieval

- All Implemented Interfaces:
    Comparable<XMPPImplIfc>, XMPPImplIfc, XMPPProcessorIfc

      public class FlexibleOfflineMessageRetrieval
      extends XMPPProcessorAbstract
      implements XMPPProcessorIfc

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `FLEXIBLE_OFFLINE_XMLNS` Field holds the xmlns of XEP-0013: Flexible offline messages retrieval
    `static String` | `ITEM_ELEMENT_NAME`
    `static String[]` | `MESSAGE_EVENT_PATH`
    `static String[]` | `MESSAGE_HEADER_PATH`
    `static String` | `NODE_ATTRIBUTE_NAME`

    - ### Fields inherited from class tigase.xmpp.XMPPProcessor

      `ALL_NAMES, ALL_PATHS, cmpInfo`

    - ### Fields inherited from interface tigase.xmpp.XMPPImplIfc

      `CLIENT_XMLNS`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `FlexibleOfflineMessageRetrieval()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `String` | `id()` Method `id` returns a unique ID of the plugin.
    `void` | `init(Map<String,Object> settings)` Method `init` is called just after the plugin has been loaded into memory.
    `void` | `processFromUserToServerPacket(tigase.xmpp.JID connectionId, Packet packet, XMPPResourceConnection session, NonAuthUserRepository repo, Queue<Packet> results, Map<String,Object> settings)` The method is called when a packet is send from the user who is owner of the session to the local server (ping, roster management, privacy lists, etc...).
    `void` | `processServerSessionPacket(Packet packet, XMPPResourceConnection session, NonAuthUserRepository repo, Queue<Packet> results, Map<String,Object> settings)` The method is called when a packet addressed to the server domain is received.
    `Queue<Packet>` | `restorePacketForOffLineUser(List<String> db_ids, XMPPResourceConnection conn, MsgRepository repo)`
    `tigase.xml.Element[]` | `supDiscoFeatures(XMPPResourceConnection session)` Method `supDiscoFeatures` returns an array of XML `Element`s with service discovery features which have to be returned to the client uppon request.
    `String[][]` | `supElementNamePaths()` Method `supElementNamePaths` returns an array of element names in form of a full path to the XML element for stanzas which can be processed by this plugin.
    `String[]` | `supNamespaces()` Method `supNamespaces` returns an array of name-spaces for stanzas which can be processed by this plugin.

    - ### Methods inherited from class tigase.xmpp.XMPPProcessorAbstract

      `process, processFromUserOutPacket, processFromUserPacket, processNullSessionPacket, processToUserPacket`

    - ### Methods inherited from class tigase.xmpp.impl.annotation.AnnotatedXMPPProcessor

      `supStreamFeatures, supTypes`

    - ### Methods inherited from class tigase.xmpp.XMPPProcessor

      `canHandle, compareTo, concurrentQueuesNo, concurrentThreadsPerQueue, getComponentInfo, getInstance, getStatistics, isSupporting, supElements, toString`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface tigase.xmpp.XMPPProcessorIfc

      `process`

    - ### Methods inherited from interface tigase.xmpp.XMPPImplIfc

      `canHandle, concurrentQueuesNo, concurrentThreadsPerQueue, getComponentInfo, getStatistics, isSupporting, supElements, supStreamFeatures, supTypes`

    - ### Methods inherited from interface java.lang.Comparable

      `compareTo`

- - ### Field Detail

    - #### FLEXIBLE_OFFLINE_XMLNS

          public static final String FLEXIBLE_OFFLINE_XMLNS

      Field holds the xmlns of XEP-0013: Flexible offline messages retrieval
      See Also:
        Constant Field Values

    - #### ITEM_ELEMENT_NAME

          public static final String ITEM_ELEMENT_NAME

      See Also:
        Constant Field Values

    - #### NODE_ATTRIBUTE_NAME

          public static final String NODE_ATTRIBUTE_NAME

      See Also:
        Constant Field Values

    - #### MESSAGE_EVENT_PATH

          public static final String[] MESSAGE_EVENT_PATH

    - #### MESSAGE_HEADER_PATH

          public static final String[] MESSAGE_HEADER_PATH

  - ### Constructor Detail

    - #### FlexibleOfflineMessageRetrieval

          public FlexibleOfflineMessageRetrieval()

  - ### Method Detail

    - #### init

          public void init(Map<String,Object> settings)
                    throws TigaseDBException

      Description copied from interface: `XMPPImplIfc`
      Method `init` is called just after the plugin has been loaded into memory. The idea behind this is to allow it to initialize or check the database. This might be especially useful for plugins which want to have a database access via non-standard stored procedures or need schema upgrade.
      Specified by:
        `init` in interface `XMPPImplIfc`
      Overrides:
        `init` in class `XMPPProcessor`
      Parameters:
        `settings` - is a Map with initial processor settings from the configuration file.
      Throws:
        `TigaseDBException`

    - #### id

          public String id()

      Description copied from interface: `XMPPImplIfc`
      Method `id` returns a unique ID of the plugin. Each plugin has own, unique ID which is used in the configuration file to determine whether it needs to be loaded or not. In most cases the ID can be equal to XMLNS of the packages processed by the plugin.
      Specified by:
        `id` in interface `XMPPImplIfc`
      Overrides:
        `id` in class `AnnotatedXMPPProcessor`
      Returns:
        a `String` value

    - #### processFromUserToServerPacket

          public void processFromUserToServerPacket(tigase.xmpp.JID connectionId,
                                                    Packet packet,
                                                    XMPPResourceConnection session,
                                                    NonAuthUserRepository repo,
                                                    Queue<Packet> results,
                                                    Map<String,Object> settings)
                                             throws PacketErrorTypeException

      Description copied from class: `XMPPProcessorAbstract`
      The method is called when a packet is send from the user who is owner of the session to the local server (ping, roster management, privacy lists, etc...). There is no default implementation for the method.
      Specified by:
        `processFromUserToServerPacket` in class `XMPPProcessorAbstract`
      Parameters:
        `connectionId` - is a `JID` instance with the session connection ID.
        `packet` - is a `Packet` sent by the user.
        `session` - is a `XMPPResourceConnection` instance with all the sending user session data.
        `repo` - is a `NonAuthUserRepository` instance giving access to a part of the user repository which is accessible regardless the session is authenticated or not.
        `results` - is a packets `Queue` with all the processing results from the plugin.
        `settings` - is a `Map` with all the configuration settings passed to the plugin.
      Throws:
        `PacketErrorTypeException` - on attempt to send an error response to the error packet.

    - #### restorePacketForOffLineUser

          public Queue<Packet> restorePacketForOffLineUser(List<String> db_ids,
                                                           XMPPResourceConnection conn,
                                                           MsgRepository repo)
                                                    throws UserNotFoundException,
                                                           NotAuthorizedException

      Throws:
        `UserNotFoundException`
        `NotAuthorizedException`

    - #### processServerSessionPacket

          public void processServerSessionPacket(Packet packet,
                                                 XMPPResourceConnection session,
                                                 NonAuthUserRepository repo,
                                                 Queue<Packet> results,
                                                 Map<String,Object> settings)
                                          throws PacketErrorTypeException

      Description copied from class: `XMPPProcessorAbstract`
      The method is called when a packet addressed to the server domain is received. Please note, if a local user sends a packet to the server, the packet is handled by the `processFromUserPacket(...)` method. This method is not called for such packets.
      Specified by:
        `processServerSessionPacket` in class `XMPPProcessorAbstract`
      Parameters:
        `packet` - is a `Packet` received by the server and addressed to the server - the server virtual domain name.
        `session` - is a `XMPPResourceConnection` instance with all the server session data.
        `repo` - is a `NonAuthUserRepository` instance giving access to a part of the user repository which is accessible regardless the session is authenticated or not.
        `results` - is a packets `Queue` with all the processing results from the plugin.
        `settings` - is a `Map` with all the configuration settings passed to the plugin.
      Throws:
        `PacketErrorTypeException` - on attempt to send an error response to the error packet.

    - #### supDiscoFeatures

          public tigase.xml.Element[] supDiscoFeatures(XMPPResourceConnection session)

      Description copied from interface: `XMPPImplIfc`
      Method `supDiscoFeatures` returns an array of XML `Element`s with service discovery features which have to be returned to the client uppon request. Service discovery features returned by this method correspond to services supported by this plugin.
      Specified by:
        `supDiscoFeatures` in interface `XMPPImplIfc`
      Overrides:
        `supDiscoFeatures` in class `AnnotatedXMPPProcessor`
      Parameters:
        `session` - a `XMPPResourceConnection` value
      Returns:
        an `Element[]` value

    - #### supElementNamePaths

          public String[][] supElementNamePaths()

      Description copied from interface: `XMPPImplIfc`
      Method `supElementNamePaths` returns an array of element names in form of a full path to the XML element for stanzas which can be processed by this plugin. Each element name path corresponds to XMLNS returned in array by `supNamespaces()` method. The element path itself is represented by a String array with each path element as a separate String.
      Specified by:
        `supElementNamePaths` in interface `XMPPImplIfc`
      Overrides:
        `supElementNamePaths` in class `AnnotatedXMPPProcessor`
      Returns:
        a `String[][]` value is an array for element paths for which the plugin offers processing capabilities. Each path is in form of a String array in order to reduce parsing overhead.

    - #### supNamespaces

          public String[] supNamespaces()

      Description copied from interface: `XMPPImplIfc`
      Method `supNamespaces` returns an array of name-spaces for stanzas which can be processed by this plugin. Each namespace corresponds to element name returned in array by `supElemenets()` method.
      Specified by:
        `supNamespaces` in interface `XMPPImplIfc`
      Overrides:
        `supNamespaces` in class `AnnotatedXMPPProcessor`
      Returns:
        a `String[]` value

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