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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 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;
}
}
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