1 files changed, 126 insertions, 0 deletions
diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java b/src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java
new file mode 100644
index 0000000..48c8eaf
--- /dev/null
+++ b/src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java
@@ -0,0 +1,126 @@
+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 SsbHeader extends SsbTicketPart {
+	
+	private int version = 3;
+	private SsbTicketType ticketType = null;
+	private int keyId = 0;
+	private int issuer = 0;
+	
+	/*
+	        Version	             Num 0-4 Bits
+			Issuer code	         Num  14 Bits
+			ID					 Num   4 Bits
+			Ticket type code	 Num   5 Bits
+	 */
+
+	public SsbHeader(int version, SsbTicketType type,  int keyId, int issuer) {
+		this.issuer = issuer;
+		this.keyId = keyId;
+		this.ticketType = type;
+		this.version = version;
+	}
+	
+	public SsbHeader() {		
+	}
+
+	public int decodeContent(byte[] headerData, int offset) {
+		
+		BitBuffer bits = new ByteBitBuffer(headerData);
+
+		version = bits.getInteger(0, 4);
+		issuer = bits.getInteger(4, 14);
+		keyId = bits.getInteger(18, 4);
+		ticketType = SsbTicketType.values()[bits.getInteger(22, 5)];
+		
+		return 4 + 14 + 4 + 5;
+
+	}
+	
+	public int encodeContent(byte[] bytes, int offset) throws EncodingFormatException {
+			
+		BitBuffer bits = new ByteBitBuffer(bytes);
+		
+		if (version < 0 || version > 15) {
+			throw new EncodingFormatException("SSB Version too big");
+		}
+		
+		bits.putInteger(0, 4, version);
+		
+		if (issuer < 0 || issuer > 9999) {
+			throw new EncodingFormatException("SSB Issuer code too big");
+		}
+		
+		bits.putInteger(4, 14, issuer);
+		
+		if (keyId < 0 || keyId > 15) {
+			throw new EncodingFormatException("SSB Key Id too big");
+		}
+		
+		bits.putInteger(18, 4, keyId);
+		
+		bits.putInteger(22, 5, ticketType.ordinal());
+		
+		return 4 + 14 + 4 + 5;
+		
+	}
+
+
+
+	public int getVersion() {
+		return version;
+	}
+
+
+
+	public void setVersion(int version) {
+		this.version = version;
+	}
+
+
+
+	public SsbTicketType getTicketType() {
+		return ticketType;
+	}
+
+
+
+	public void setTicketType(SsbTicketType ticketType) {
+		this.ticketType = ticketType;
+	}
+
+
+
+	public int getKeyId() {
+		return keyId;
+	}
+
+
+
+	public void setKeyId(int keyId) {
+		this.keyId = keyId;
+	}
+
+
+
+	public int getIssuer() {
+		return issuer;
+	}
+
+
+
+	public void setIssuer(int issuer) {
+		this.issuer = issuer;
+	}
+
+
+
+	
+	
+	
+	
+}