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package org.uic.barcode.ssbFrame;
import org.uic.barcode.asn1.uper.BitBuffer;
import org.uic.barcode.asn1.uper.ByteBitBuffer;
import org.uic.barcode.ticket.EncodingFormatException;
public class SsbStations {
/*
* Station code 1 bit 0 = Num; or 1=Bilateral AlphaNum 6Char
Numeric:
Station code List 4 bit 1= NRT; 2=Reservation
Departure station Location 28 bit
Arrival Station 28 bit
AlphaNum:
Departure: 30 bit
Arrival = 30 bit
*/
protected String arrivalStationCode = " ";
protected String departureStationCode = " ";
protected SsbStationCodeTable codeTable = SsbStationCodeTable.NRT;
public int encode(int offset, byte[] bytes) throws EncodingFormatException {
boolean isAlphaNumeric = false;
BitBuffer bits = new ByteBitBuffer(bytes);
try {
Integer.parseInt(arrivalStationCode);
Integer.parseInt(departureStationCode);
isAlphaNumeric = false;
} catch(NumberFormatException e) {
isAlphaNumeric = true;
}
bits.put(offset, isAlphaNumeric);
offset++;
if (isAlphaNumeric) {
if (departureStationCode.length() > 6) {
throw new EncodingFormatException("SSB departure station too long");
}
bits.putChar6String(offset,30, departureStationCode);
offset = offset + 30;
if (arrivalStationCode.length() > 6) {
throw new EncodingFormatException("SSB arrival station too long");
}
bits.putChar6String(offset,30, arrivalStationCode);
offset = offset + 30;
} else {
bits.putInteger(offset, 4, codeTable.ordinal());
offset = offset + 4;
int stationCode = Integer.parseInt(departureStationCode);
if (stationCode < 0 || stationCode > 9999999) {
throw new EncodingFormatException("SSB departure station code too long");
}
bits.putInteger(offset, 28, stationCode);
offset = offset + 28;
stationCode = Integer.parseInt(arrivalStationCode);
if (stationCode < 0 || stationCode > 9999999) {
throw new EncodingFormatException("SSB arrival station code too long");
}
bits.putInteger(offset, 28, stationCode);
offset = offset + 28;
}
return offset;
}
public int decode(int offset, byte[] bytes) {
BitBuffer bits = new ByteBitBuffer(bytes);
boolean isAlphaNumeric = bits.get(offset);
offset++;
if (isAlphaNumeric) {
departureStationCode = bits.getChar6String(offset,30);
offset = offset + 30;
arrivalStationCode = bits.getChar6String(offset,30);
offset = offset + 30;
} else {
codeTable = SsbStationCodeTable.values()[bits.getInteger(offset, 4)];
offset = offset + 4;
departureStationCode = Integer.toString(bits.getInteger(offset, 28));
offset = offset + 28;
arrivalStationCode = Integer.toString(bits.getInteger(offset, 28));
offset = offset + 28;
}
return offset;
}
public String getArrivalStationCode() {
return arrivalStationCode;
}
public void setArrivalStationCode(String arrivalStationCode) {
this.arrivalStationCode = arrivalStationCode;
}
public String getDepartureStationCode() {
return departureStationCode;
}
public void setDepartureStationCode(String departureStationCode) {
this.departureStationCode = departureStationCode;
}
public SsbStationCodeTable getCodeTable() {
return codeTable;
}
public void setCodeTable(SsbStationCodeTable codeTable) {
this.codeTable = codeTable;
}
}
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