dk.navicon.AIS
Class AISMsgFactory

java.lang.Object
  |
  +--dk.navicon.AIS.AISMsgFactory

public class AISMsgFactory

extends java.lang.Object

Factory class for generating AIS messages from VDM/VDO NMEA messages. methods for decode/encode. Messages are checksummed before any decoding takes place. Here is an example of how the Factory could be used.

String pos_msg = "!AIVDM,1,1,,A,102=a?0P01OqVnVM7bo@igwR`001,0*0A";
PositionReport pos_rep = (PositionReport)AISMsgFactory.make(pos_msg);

Notice that the Factory is mt safe. However the factory should only be feed mesages from one AIS source as it expects the sequence numbers to be unique.

Constructor Summary

AISMsgFactory()

Method Summary

static boolean	isCheckSumValid(java.lang.String s)
static dk.navicon.AIS.AISMessage	make(java.lang.String nmeaString) Create a new AIS message.
static void	reset() reset factory if multi sentence mngt fails

Methods inherited from class java.lang.Object

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

Constructor Detail

AISMsgFactory

public AISMsgFactory()

Method Detail

make

public static dk.navicon.AIS.AISMessage make(java.lang.String nmeaString)
                                      throws AISParseException

Create a new AIS message. returns null if message could not be parsed or if input is not the end of a multi sentence message

AISParseException

reset

public static void reset()

reset factory if multi sentence mngt fails

isCheckSumValid

public static boolean isCheckSumValid(java.lang.String s)