org.eclipse.webdav.internal.authentication
Class Parser

java.lang.Object
  org.eclipse.webdav.internal.authentication.Parser

public class Parser
extends Object

A simple parser that is mainly used to parse HTTP header fields.

Field Summary

int	pos The index of the next character in s to be parsed.
String	s The string being parsed.

Constructor Summary

Parser(String s)
Creates a new parser on the given string.

Method Summary

void	checkPosition() Throws a ParserException if pos is out of range.
void	match(char c) Skips the next character in s if it matches c, otherwise a ParserException is thrown.
String	nextQuotedString() Returns the next quoted string is s (quotes included).
String	nextToken() Returns the next token in s.
void	skipWhiteSpace() Skips the next sequence of white space in s.

Methods inherited from class java.lang.Object

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

Field Detail

s

public String s

The string being parsed.

pos

public int pos

The index of the next character in s to be parsed.

Constructor Detail

Parser

public Parser(String s)

Creates a new parser on the given string.

Parameters:

s - the string to be parsed

Method Detail

checkPosition

public void checkPosition()
                   throws ParserException

Throws a ParserException if pos is out of range.

Throws:

ParserException

match

public void match(char c)
           throws ParserException

Skips the next character in s if it matches c, otherwise a ParserException is thrown.

Parameters:

c -

Throws:

ParserException

nextQuotedString

public String nextQuotedString()
                        throws ParserException

Returns the next quoted string is s (quotes included). Throws a ParserException if the next substring in s is not a quoted string.

Returns:

the next quoted string in s (quotes included)

Throws:

ParserException

nextToken

public String nextToken()
                 throws ParserException

Returns the next token in s. Throws a ParserException if the next substring in s is not a token.

Returns:

the next token in s

Throws:

ParserException

skipWhiteSpace

public void skipWhiteSpace()

Skips the next sequence of white space in s. An exception is not thrown if there is no matching white space.