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  1. JDK
  2. JDK-8263768

JFormattedTextField.AbstractFormatter.getDocumentFilter()/getNavigationFilter() spec doesn't mention what the default impls return and what does it mean

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: P3
    • Resolution: Fixed
    • Affects Version/s: 15, 16, 17
    • Fix Version/s: 17
    • Component/s: client-libs
    • Labels:

      Description

      The current state of specification for
      https://download.java.net/java/early_access/jdk17/docs/api/java.desktop/javax/swing/JFormattedTextField.AbstractFormatter.html#getDocumentFilter()
      https://download.java.net/java/early_access/jdk17/docs/api/java.desktop/javax/swing/JFormattedTextField.AbstractFormatter.html#getNavigationFilter()
      is the following
      ===============
      protected DocumentFilter getDocumentFilter()
      Subclass and override if you wish to provide a DocumentFilter to restrict what can be input. install will install the returned value onto the JFormattedTextField.
      Returns:
          DocumentFilter to restrict edits

      protected NavigationFilter getNavigationFilter()
      Subclass and override if you wish to provide a filter to restrict where the user can navigate to. install will install the returned value onto the JFormattedTextField.

      Returns:
          NavigationFilter to restrict navigation
      ===============

      Actually as per OpenJDK - null is returned by both "default" implementations and it means "no filtering", as other places in the code indicate

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              Assignee:
              psadhukhan Prasanta Sadhukhan
              Reporter:
              dbessono Dmitry Bessonov
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