Package de.xima.fc.gui.common.bean

Class ViewIdBean

java.lang.Object
de.xima.fc.gui.common.bean.ViewIdBean
All Implemented Interfaces:
Serializable
@ViewScoped @Named public class ViewIdBean extends Object implements Serializable
Bean that associates a UUID with each view. This is better that relying on the internal java.faces.ViewState, which may not contain an ID in case of client-side state saving etc.
Since:
7.0.0
Author:
XIMA MEDIA GmbH
See Also:

  • Constructor Details

    • ViewIdBean

      public ViewIdBean()

  • Method Details

    • getViewId

      public UUID getViewId()
      Returns:
      The ID of the current view.

    • getCurrentViewId

      public static Optional<UUID> getCurrentViewId()
      Returns:
      The ID of the current view, if this method is called within a JSF context. Otherwise,returns an empty optional.

    • isSameView

      public static boolean isSameView(UUID viewId)
      Parameters:
      viewId - A view ID against which to check.
      Returns:
      true when called within a JSF context and the current view equals the given view ID, false otherwise.

    • isDifferentView

      public static boolean isDifferentView(UUID viewId)
      Parameters:
      viewId - A view ID against which to check.
      Returns:
      When the given view ID is not null: true when either not within a JSF context or the current view is different from the given view ID, false otherwise. When the given view ID is null: true when there is a an active view ID, false otherwise.