Package org.jivesoftware.openfire.commands.generic

Class Ping

  • public class Ping
extends AdHocCommand
    A (very) basic ad-hoc command that returns the server time in UTC. The ad-hoc command implemented in this class differs from most others in the fact that it has no restrictions in what entity is allowed to execute/use it.
    Author:
    Guus der Kinderen, guus.der.kinderen@gmail.com

    • Constructor Detail

      • Ping

        public Ping()

    • Method Detail

      • getCode

        public String getCode()
        Description copied from class: AdHocCommand
        Returns the unique identifier for this command for the containing JID. The code will be used as the node in the disco#items or the node when executing the command.
        Specified by:
        getCode in class AdHocCommand
        Returns:
        the unique identifier for this command for the containing JID.

      • getDefaultLabel

        public String getDefaultLabel()
        Description copied from class: AdHocCommand
        Returns the default label used for describing this commmand. This information is usually used when returning commands as disco#items. Admins can later use AdHocCommand.setLabel(String) to set a new label and reset to the default value at any time.
        Specified by:
        getDefaultLabel in class AdHocCommand
        Returns:
        the default label used for describing this commmand.

      • getMaxStages

        public int getMaxStages​(SessionData data)
        Description copied from class: AdHocCommand
        Returns the max number of stages for this command. The number of stages may vary according to the collected data in previous stages. Therefore, a SessionData object is passed as a parameter. When the max number of stages has been reached then the command is ready to be executed.
        Specified by:
        getMaxStages in class AdHocCommand
        Parameters:
        data - the gathered data through the command stages or null if the command does not have stages or the requester is requesting the execution for the first time.
        Returns:
        the max number of stages for this command.

      • execute

        public void execute​(SessionData data,
                    org.dom4j.Element command)
        Description copied from class: AdHocCommand
        Executes the command with the specified session data.
        Specified by:
        execute in class AdHocCommand
        Parameters:
        data - the gathered data through the command stages or null if the command does not have stages.
        command - the command element to be sent to the command requester with a reported data result or note element with the answer of the execution.

      • hasPermission

        public boolean hasPermission​(org.xmpp.packet.JID requester)
        Description copied from class: AdHocCommand
        Returns true if the requester is allowed to execute this command. By default only admins are allowed to execute commands. Subclasses may redefine this method with any specific logic.

        Note: The bare JID of the requester will be compared with the bare JID of the admins.

        Overrides:
        hasPermission in class AdHocCommand
        Parameters:
        requester - the JID of the user requesting to execute this command.
        Returns:
        true if the requester is allowed to execute this command.

      • addStageInformation

        protected void addStageInformation​(SessionData data,
                                   org.dom4j.Element command)
        Description copied from class: AdHocCommand
        Adds to the command element the data form or notes required by the current stage. The current stage is specified in the SessionData. This method will never be invoked for commands that have no stages.
        Specified by:
        addStageInformation in class AdHocCommand
        Parameters:
        data - the gathered data through the command stages or null if the command does not have stages or the requester is requesting the execution for the first time.
        command - the command element to be sent to the command requester.

      • getActions

        protected List<AdHocCommand.Action> getActions​(SessionData data)
        Description copied from class: AdHocCommand
        Returns a collection with the allowed actions based on the current stage as defined in the SessionData. Possible actions are: prev, next and complete. This method will never be invoked for commands that have no stages.
        Specified by:
        getActions in class AdHocCommand
        Parameters:
        data - the gathered data through the command stages or null if the command does not have stages or the requester is requesting the execution for the first time.
        Returns:
        a collection with the allowed actions based on the current stage as defined in the SessionData.

      • getExecuteAction

        protected AdHocCommand.Action getExecuteAction​(SessionData data)
        Description copied from class: AdHocCommand
        Returns which of the actions available for the current stage is considered the equivalent to "execute". When the requester sends his reply, if no action was defined in the command then the action will be assumed "execute" thus assuming the action returned by this method. This method will never be invoked for commands that have no stages.
        Specified by:
        getExecuteAction in class AdHocCommand
        Parameters:
        data - the gathered data through the command stages or null if the command does not have stages or the requester is requesting the execution for the first time.
        Returns:
        which of the actions available for the current stage is considered the equivalent to "execute".