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author | CGantert345 <57003061+CGantert345@users.noreply.github.com> | 2023-03-14 10:31:01 +0100 |
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committer | GitHub <noreply@github.com> | 2023-03-14 10:31:01 +0100 |
commit | 4d2d3658c70347e9cffa049898b2b768bafe6174 (patch) | |
tree | 2b41ba728d15dace11d75a7d8b62976b69fcb379 /src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java | |
parent | check for inflater return code added (diff) | |
parent | update version number (diff) | |
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Diffstat (limited to 'src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java')
-rw-r--r-- | src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java | 126 |
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; + } + + + + + + + +} |