Class NotFilter

java.lang.Object
org.ka2ddo.yaac.filter.Filter
org.ka2ddo.yaac.filter.NotFilter
All Implemented Interfaces:
Closeable, AutoCloseable, Cloneable

public final class NotFilter extends Filter implements Closeable, Cloneable
This filter is a wrapper around another filter, inverting the answer, so a passing result becomes a rejecting result, and vice versa.
Author:
Andrew Pavlin, KA2DDO
  • Constructor Details

    • NotFilter

      public NotFilter(Filter filterToInvert)
      Create a NotFilter wrapped around the specified filter.
      Parameters:
      filterToInvert - Filter to wrap
  • Method Details

    • acceptAX25Frame

      public int acceptAX25Frame(AX25Frame frame)
      Indicate whether the specified message should be displayed or used to determine if a station should be displayed (if recursively called from acceptStation()).
      Specified by:
      acceptAX25Frame in class Filter
      Parameters:
      frame - the timestamped AX25 frame record to analyze
      Returns:
      RESULT_xxx constant indicating if message information should be displayed
    • getFilterTypeTagName

      public String getFilterTypeTagName()
      Report a tag name used to look up the labelling for an editor panel for this editor instance in a ResourceBundle of translated names.
      Specified by:
      getFilterTypeTagName in class Filter
      Returns:
      String to use in looking up form label for this filter's editor
    • getFilterHelpTagName

      public String getFilterHelpTagName()
      Report a tag name used to look up JavaHelp for a filter editor.
      Specified by:
      getFilterHelpTagName in class Filter
      Returns:
      String name (as defined in HelpMap.jhm) for this filter's online help, or null if there is no filter specific help
    • getFilterUIName

      public String getFilterUIName()
      Get the class name of a dynamically loadable class for the the GUI for this filter. The name is allowed to have a wildcard '*' in it where a GUI type ("gui" for standard Java or "android" for Android) can be substituted.
      Specified by:
      getFilterUIName in class Filter
      Returns:
      String name of GUI class for this filter
    • acceptStation

      public int acceptStation(StationState ss)
      Indicate whether the specified station should be displayed. The acceptMessage() and acceptAX25Frame() methods may be called to assist in the determination.
      Specified by:
      acceptStation in class Filter
      Parameters:
      ss - StationState record to analyze
      Returns:
      RESULT_xxx constant indicating if station information should be displayed
    • acceptMessage

      public int acceptMessage(AX25Message msg)
      Indicate whether the specified message should be displayed or used to determine if a station should be displayed (if recursively called from acceptStation()).
      Specified by:
      acceptMessage in class Filter
      Parameters:
      msg - the APRS Message record to analyze
      Returns:
      RESULT_xxx constant indicating if message information should be displayed
    • addFilterChangeListener

      public void addFilterChangeListener(FilterChangeListener l)
      Register a listener for changes of this Filter.
      Specified by:
      addFilterChangeListener in class Filter
      Parameters:
      l - FilterChangeListener to register
    • removeFilterChangeListener

      public void removeFilterChangeListener(FilterChangeListener l)
      Deregisters a listener. The listener will no longer be informed of changes to this filter.
      Specified by:
      removeFilterChangeListener in class Filter
      Parameters:
      l - FilterChangeListener to deregister
    • setToPassall

      public void setToPassall()
      Reset the filter to a configuration that would pass the maximum amount of messages, packets, and stations.
      Specified by:
      setToPassall in class Filter
    • clone

      public Object clone() throws CloneNotSupportedException
      Creates and returns a copy of this Filter.
      Overrides:
      clone in class Filter
      Returns:
      a clone of this instance.
      Throws:
      CloneNotSupportedException - if the object's class does not support the Cloneable interface. Subclasses that override the clone method can also throw this exception to indicate that an instance cannot be cloned.
      See Also:
    • close

      public void close() throws IOException
      Closes this filter and releases any system resources associated with it. If the filter is already closed then invoking this method has no effect.
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Closeable
      Throws:
      IOException - if an I/O error occurs