com.novell.sasl.client
Class TokenParser

java.lang.Object
  com.novell.sasl.client.TokenParser

class TokenParser

extends java.lang.Object

The TokenParser class will parse individual tokens from a list of tokens that are a directive value for a DigestMD5 authentication.The tokens are separated commas.

Field Summary

private int	m_curPos
private int	m_scanStart
private int	m_state
private java.lang.String	m_tokens
private static int	STATE_DONE
private static int	STATE_LOOKING_FOR_COMMA
private static int	STATE_LOOKING_FOR_FIRST_TOKEN
private static int	STATE_LOOKING_FOR_TOKEN
private static int	STATE_PARSING_ERROR
private static int	STATE_SCANNING_TOKEN

Constructor Summary

(package private)

TokenParser(java.lang.String tokens)

Method Summary

(package private) boolean	isValidTokenChar(char c) This function returns TRUE if the character is a valid token character.
(package private) boolean	isWhiteSpace(char c) This function returns TRUE if the character is linear white space (LWS).
(package private) java.lang.String	parseToken() This function parses the next token from the tokens string and returns it as a string.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

STATE_LOOKING_FOR_FIRST_TOKEN

private static final int STATE_LOOKING_FOR_FIRST_TOKEN

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Constant Field Values

STATE_LOOKING_FOR_TOKEN

private static final int STATE_LOOKING_FOR_TOKEN

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Constant Field Values

STATE_SCANNING_TOKEN

private static final int STATE_SCANNING_TOKEN

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Constant Field Values

STATE_LOOKING_FOR_COMMA

private static final int STATE_LOOKING_FOR_COMMA

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Constant Field Values

STATE_PARSING_ERROR

private static final int STATE_PARSING_ERROR

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Constant Field Values

STATE_DONE

private static final int STATE_DONE

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Constant Field Values

m_curPos

private int m_curPos

m_scanStart

private int m_scanStart

m_state

private int m_state

m_tokens

private java.lang.String m_tokens

Constructor Detail

TokenParser

TokenParser(java.lang.String tokens)

Method Detail

parseToken

java.lang.String parseToken()
                      throws SaslException

This function parses the next token from the tokens string and returns it as a string. If there are no more tokens a null reference is returned.

Returns:

the parsed token or a null reference if there are no more tokens

Throws:

SASLException - if an error occurs while parsing

SaslException

isValidTokenChar

boolean isValidTokenChar(char c)

This function returns TRUE if the character is a valid token character. token = 1* separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\" | <"> | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HT CTL = CHAR =

Parameters:

c - character to be validated

Returns:

True if character is valid Token character else it returns false

isWhiteSpace

boolean isWhiteSpace(char c)

This function returns TRUE if the character is linear white space (LWS). LWS = [CRLF] 1*( SP | HT )

Parameters:

c - character to be validated

Returns:

True if character is liner whitespace else it returns false