From fc6a4042f7fca1828f0b8e267cfd660e6fe1d40a Mon Sep 17 00:00:00 2001
From: CGantert345 <57003061+CGantert345@users.noreply.github.com>
Date: Tue, 22 Nov 2022 14:04:27 +0100
Subject: support for SSB barcodes

SSB frame implenmentation including decoding, encoding, signing and verification
---
 .../uic/barcode/ssbFrame/SsbCommonTicketPart.java  | 132 +++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java

(limited to 'src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java')

diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java b/src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java
new file mode 100644
index 0000000..9512fc1
--- /dev/null
+++ b/src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java
@@ -0,0 +1,132 @@
+package org.uic.barcode.ssbFrame;
+
+import org.uic.barcode.asn1.uper.BitBuffer;
+import org.uic.barcode.asn1.uper.ByteBitBuffer;
+
+public abstract class SsbCommonTicketPart extends SsbTicketPart {
+	
+	/*
+	Number of adult passengers	Num (<100)	7,000
+	Number of child passengers	Num (<100)	7,000
+	"specimen" code	Bit Flag	1,000
+	Class of travel	Lookup of 64 options	6,000
+	TCN: Issuing unique Ticket number	14 AlphaNum	84,000
+	Year of issue	Num (0..9)	4,000
+	Issuing day, from first of January	Num (<512)	9,000
+	 */
+	
+	protected int numberOfAdults = 0;
+	protected int numberOfChildren = 0;
+	protected boolean specimen = true;
+	protected SsbClass classCode = null;
+	protected String ticketNumber = null;
+	protected int year = 0;
+	protected int day = 0;
+			
+	protected int decodeCommonPart(byte[] bytes) {
+		
+		BitBuffer bits = new ByteBitBuffer(bytes);
+		
+		int offset = 27; // header offset
+		numberOfAdults = bits.getInteger(offset, 7); 
+		offset = offset + 7;
+		numberOfChildren = bits.getInteger(offset, 7); 
+		offset = offset + 7;
+		specimen = bits.get(offset);
+		offset++;
+		int classIndex = bits.getInteger(offset, 6);
+		classCode = SsbClass.values()[classIndex];
+		offset = offset + 6;
+		ticketNumber = bits.getChar6String(offset, 84);
+		offset = offset + 84;
+		year = bits.getInteger(offset, 4);
+		offset = offset + 4;
+		day = bits.getInteger(offset, 9);
+		offset = offset + 9;
+		return offset;
+	}
+	
+	protected int encodeCommonPart(byte[] bytes) {
+		
+		BitBuffer bits = new ByteBitBuffer(bytes);
+		
+		int offset = 27; // header offset
+		bits.putInteger(offset,7, numberOfAdults);
+		offset = offset + 7;
+		bits.putInteger(numberOfChildren,offset, 7); 
+		offset = offset + 7;
+		bits.put(offset,specimen);
+		offset++;
+		bits.putInteger(offset, 6,classCode.ordinal());
+		offset = offset + 6;
+		bits.putChar6String(offset, 84, ticketNumber);
+		offset = offset + 84;
+		bits.putInteger(offset, 4, year);
+		offset = offset + 4;
+		bits.putInteger(offset, 9, day);
+		offset = offset + 9;
+		
+		return offset;
+		
+		
+	}
+
+	public int getNumberOfAdults() {
+		return numberOfAdults;
+	}
+
+	public void setNumberOfAdults(int numberOfAdults) {
+		this.numberOfAdults = numberOfAdults;
+	}
+
+	public int getNumberOfChildren() {
+		return numberOfChildren;
+	}
+
+	public void setNumberOfChildren(int numberOfChildren) {
+		this.numberOfChildren = numberOfChildren;
+	}
+
+	public boolean isSpecimen() {
+		return specimen;
+	}
+
+	public void setSpecimen(boolean specimen) {
+		this.specimen = specimen;
+	}
+
+	public SsbClass getClassCode() {
+		return classCode;
+	}
+
+	public void setClassCode(SsbClass classCode) {
+		this.classCode = classCode;
+	}
+
+	public String getTicketNumber() {
+		return ticketNumber;
+	}
+
+	public void setTicketNumber(String ticketNumber) {
+		this.ticketNumber = ticketNumber;
+	}
+
+	public int getYear() {
+		return year;
+	}
+
+	public void setYear(int year) {
+		this.year = year;
+	}
+
+	public int getDay() {
+		return day;
+	}
+
+	public void setDay(int day) {
+		this.day = day;
+	}
+
+	
+	
+}
-- 
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