/******************************************************************************* * SDR Trunk * Copyright (C) 2014,2015 Dennis Sheirer * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> ******************************************************************************/ package module.decode.lj1200; import java.text.SimpleDateFormat; import map.Plottable; import message.Message; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import alias.Alias; import alias.AliasList; import bits.BinaryMessage; import edac.CRC; public class LJ1200TransponderMessage extends Message { private final static Logger mLog = LoggerFactory.getLogger( LJ1200TransponderMessage.class ); public static int[] SYNC = { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 }; public static int[] MESSAGE_CRC = { 64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79 }; private static SimpleDateFormat mSDF = new SimpleDateFormat( "yyyyMMdd HHmmss" ); private BinaryMessage mMessage; private AliasList mAliasList; private CRC mCRC; public LJ1200TransponderMessage( BinaryMessage message, AliasList list ) { mMessage = message; mAliasList = list; checkCRC(); switch( mCRC ) { case CORRECTED: mLog.debug( "CORR:" + message.toString() ); break; case FAILED_CRC: mLog.debug( "FAIL:" + message.toString() ); break; case PASSED: mLog.debug( "PASS:" + message.toString() ); break; case UNKNOWN: mLog.debug( "UNKNOWN:" + message.toString() ); break; default: break; } } private void checkCRC() { mCRC = CRC.UNKNOWN; } public boolean isValid() { // return mCRC == CRC.PASSED || mCRC == CRC.CORRECTED; /* Override validity check until proper CRC is implemented */ return true; } public String getCRC() { return mMessage.getHex( MESSAGE_CRC, 4 ); } @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append( "TRANSPONDER TEST" ); return sb.toString(); } /** * Pads spaces onto the end of the value to make it 'places' long */ public String pad( String value, int places, String padCharacter ) { StringBuilder sb = new StringBuilder(); sb.append( value ); while( sb.length() < places ) { sb.append( padCharacter ); } return sb.toString(); } /** * Pads an integer value with additional zeroes to make it decimalPlaces long */ public String format( int number, int decimalPlaces ) { StringBuilder sb = new StringBuilder(); int paddingRequired = decimalPlaces - ( String.valueOf( number ).length() ); for( int x = 0; x < paddingRequired; x++) { sb.append( "0" ); } sb.append( number ); return sb.toString(); } @Override public String getBinaryMessage() { return mMessage.toString(); } @Override public String getProtocol() { return "LJ-1200"; } @Override public String getEventType() { return "TRANSPONDER"; } @Override public String getFromID() { return null; } @Override public Alias getFromIDAlias() { return null; } @Override public String getToID() { return null; } @Override public Alias getToIDAlias() { return null; } @Override public String getMessage() { return toString(); } @Override public String getErrorStatus() { return mCRC.getDisplayText(); } @Override public Plottable getPlottable() { return null; } }