org.ka2ddo.aprs

Class ExtraAPRSInfoSourceDispatcher

java.lang.Object

org.ka2ddo.aprs.ExtraAPRSInfoSourceDispatcher

public class ExtraAPRSInfoSourceDispatcher
extends java.lang.Object

This class registers and dispatches to sources of additional APRS packet body text, based on the arbitrary business logic of the sources versus the station callsign-SSID or object name.

Author:

Andrew Pavlin, KA2DDO

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ExtraAPRSInfoSourceDispatcher.APRSIfc This interface defines a source of additional information in APRS free-text comment format.

Method Summary

Modifier and Type	Method and Description
static void	appendAPRSInfo(java.lang.String objectName, java.lang.StringBuilder commentBuilder, int lengthOfComment) Cycle the specified APRS message through all the registered sources of extra information.
static void	registerAPRSAppender(ExtraAPRSInfoSourceDispatcher.APRSIfc appender) Register a source of extra APRS message data.
static void	removeAPRSAppender(ExtraAPRSInfoSourceDispatcher.APRSIfc appender) Unregister a source of extra APRS message data.

Methods inherited from class java.lang.Object

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

Method Detail

registerAPRSAppender

public static void registerAPRSAppender(ExtraAPRSInfoSourceDispatcher.APRSIfc appender)

Register a source of extra APRS message data.

Parameters:

appender - APRSIfc implementation to add to the list of known sources

removeAPRSAppender

public static void removeAPRSAppender(ExtraAPRSInfoSourceDispatcher.APRSIfc appender)

Unregister a source of extra APRS message data.

Parameters:

appender - APRSIfc implementation to remove from the list of known sources

appendAPRSInfo

public static void appendAPRSInfo(java.lang.String objectName,
                                  java.lang.StringBuilder commentBuilder,
                                  int lengthOfComment)

Cycle the specified APRS message through all the registered sources of extra information.

Parameters:

objectName - String name of object being reported, or null if the local station is being reported

commentBuilder - StringBuilder used to assemble the packet body

lengthOfComment - int number of bytes the caller wants to tack on after all extension implementors are done stretching the packet