org.ka2ddo.yaac.filter

Class StationClassFilter

java.lang.Object

org.ka2ddo.yaac.filter.Filter

org.ka2ddo.yaac.filter.StationClassFilter

All Implemented Interfaces:

java.lang.Cloneable

public class StationClassFilter
extends Filter
implements java.lang.Cloneable

This filter allows selecting stations and messages solely by category of sending station. These are the categories used by Kenwood in their APRS-capable transceivers, and the categories overlap.

• all stations (suppresses the rest of these filters)
• weather stations
• 1-way (transmit-only) stations
• Navitra stations (not yet implemented)
• Object and Item reports
• mobile stations
• digipeater stations
• other stations not meeting any of the above categories

Author:

Andrew Pavlin, KA2DDO

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	StationClassFilter.StationCategory Define a subfilter for a particular category of station.

Field Summary

Fields inherited from class org.ka2ddo.yaac.filter.Filter

RESULT_NEUTRAL, RESULT_PASS, RESULT_REJECT, RESULT_WEAK_PASS, RESULT_WEAK_REJECT

Constructor Summary

Constructors

Constructor and Description
StationClassFilter() Create a Filter instance that selects messages, frames, or stations based on the category of their symbol.

Method Summary

Modifier and Type	Method and Description
int	acceptAX25Frame(AX25Frame frame) Indicate whether the specified message should be displayed.
int	acceptMessage(AX25Message msg) Indicate whether the specified message should be displayed.
int	acceptStation(StationState ss) Indicate whether the specified station should be displayed.
void	addFilterChangeListener(FilterChangeListener l) Register a listener for changes of this Filter.
boolean	canRejectSome() Specifies that this filter may reject some stations, messages, and/or frames.
java.lang.Object	clone() Creates and returns a copy of this object.
java.lang.String	getFilterHelpTagName() Report a tag name used to look up JavaHelp for a filter editor.
StationClassFilter.StationCategory[]	getFilters() Get the set of editable per-category subfilters in this filter.
java.lang.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.
java.lang.String	getFilterUIName() Get the class name of a dynamically loadable class for the the GUI for this filter.
void	removeFilterChangeListener(FilterChangeListener l) Deregisters a listener.
void	setToPassall() Reset the filter to a configuration that would pass the maximum amount of messages, packets, and stations.

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StationClassFilter

public StationClassFilter()

Create a Filter instance that selects messages, frames, or stations based on the category of their symbol.

Method Detail

getFilters

public StationClassFilter.StationCategory[] getFilters()

Get the set of editable per-category subfilters in this filter.

Returns:

array of StationCategory objects

acceptAX25Frame

public int acceptAX25Frame(AX25Frame frame)

Indicate whether the specified message should be displayed.

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

acceptMessage

public int acceptMessage(AX25Message msg)

Indicate whether the specified message should be displayed.

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

acceptStation

public int acceptStation(StationState ss)

Indicate whether the specified station should be displayed. Note this checks the transmitted symbol for this station, not any alias defined by the local user.

Specified by:

acceptStation in class Filter

Parameters:

ss - StationState record to analyze

Returns:

RESULT_xxx constant indicating if station information should be displayed

getFilterTypeTagName

public java.lang.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 java.lang.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

getFilterUIName

public java.lang.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

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

canRejectSome

public boolean canRejectSome()

Specifies that this filter may reject some stations, messages, and/or frames. Used to tell combining filters whether a sub-filter is in passall mode and therefore doesn't need to be checked for every call to the combiner, thereby saving CPU time when filtering when most filters are in passall mode.

Overrides:

canRejectSome in class Filter

Returns:

boolean true if this filter is currently capable of rejecting something

See Also:

setToPassall()

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Creates and returns a copy of this object.

Overrides:

clone in class Filter

Returns:

a clone of this instance.

Throws:

java.lang.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:

Cloneable