Top Description Fields Constructors Methods

org.apache.tomcat.util.buf

public Class Asn1Parser

Class Inheritance

extends Object

java.lang.Object
org.apache.tomcat.util.buf.Asn1Parser

Imports

java.math.BigInteger, java.util.ArrayDeque, .Deque, org.apache.tomcat.util.res.StringManager

This is a very basic ASN.1 parser that provides the limited functionality required by Tomcat. It is a long way from a complete parser.

Todo

Consider extending/re-writing this parser and refactoring the SpnegoTokenFixer to use it.

Field Summary

Modifier and Type	Field and Description
private Deque<Integer>	nestedSequenceEndPositions
private int	pos
private static final StringManager	sm
private final byte[]	source
public static final int	TAG_ATTRIBUTE_BASE
public static final int	TAG_INTEGER
public static final int	TAG_NULL
public static final int	TAG_OCTET_STRING
public static final int	TAG_OID
public static final int	TAG_SEQUENCE

Constructor Summary

Access	Constructor and Description
public	Asn1Parser(byte[] source)

Method Summary

Modifier and Type	Method and Description
public boolean	eof()
public int	getNestedSequenceLevel()
private int	next()
public byte[]	parseAttributeAsBytes(int index)
private byte[]	parseBytes(int tag)
public void	parseBytes(byte[] dest)
public void	parseFullLength()
public BigInteger	parseInt()
public int	parseLength()
public void	parseNull()
public byte[]	parseOctetString()
public byte[]	parseOIDAsBytes()
public void	parseTag(int tag)
public void	parseTagSequence()
public int	peekTag()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

nestedSequenceEndPositions	back to summary
private Deque<Integer> nestedSequenceEndPositions

pos	back to summary
private int pos

sm	back to summary
private static final StringManager sm

source	back to summary
private final byte[] source

TAG_ATTRIBUTE_BASE	back to summary
public static final int TAG_ATTRIBUTE_BASE

TAG_INTEGER	back to summary
public static final int TAG_INTEGER

TAG_NULL	back to summary
public static final int TAG_NULL

TAG_OCTET_STRING	back to summary
public static final int TAG_OCTET_STRING

TAG_OID	back to summary
public static final int TAG_OID

TAG_SEQUENCE	back to summary
public static final int TAG_SEQUENCE

Constructor Detail

Asn1Parser	back to summary
public Asn1Parser(byte[] source)

Method Detail

eof	back to summary
public boolean eof()

getNestedSequenceLevel	back to summary
public int getNestedSequenceLevel()

next	back to summary
private int next()

parseAttributeAsBytes	back to summary
public byte[] parseAttributeAsBytes(int index)

parseBytes	back to summary
private byte[] parseBytes(int tag)

parseBytes	back to summary
public void parseBytes(byte[] dest)

parseFullLength	back to summary
public void parseFullLength()

parseInt	back to summary
public BigInteger parseInt()

parseLength	back to summary
public int parseLength()

parseNull	back to summary
public void parseNull()

parseOctetString	back to summary
public byte[] parseOctetString()

parseOIDAsBytes	back to summary
public byte[] parseOIDAsBytes()

parseTag	back to summary
public void parseTag(int tag)

parseTagSequence	back to summary
public void parseTagSequence()

peekTag	back to summary
public int peekTag()