org.w3c.www.protocol.http.proxy
Class RuleParser

java.lang.Object
  org.w3c.www.protocol.http.proxy.RuleParser

public class RuleParser
extends java.lang.Object

A simple Rule parser.

Constructor Summary

RuleParser(java.io.InputStream in)
Create a rule parser to parse the given input stream.

Method Summary

protected void	addRule(java.lang.String[] lhs, Rule rule) Add a mapping for the given rule in our rule node.
RuleNode	parse() Parse the our input stream into a RuleNode instance.
protected void	parseRule(java.lang.String[] tokens, int toklen) Create a suitable rule mapping for the tokenized rule.

Methods inherited from class java.lang.Object

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

Constructor Detail

RuleParser

public RuleParser(java.io.InputStream in)

Create a rule parser to parse the given input stream.

Method Detail

addRule

protected void addRule(java.lang.String[] lhs,
                       Rule rule)

Add a mapping for the given rule in our rule node.

Parameters:

lhs - The rule left hand side, as a parsed String array.

rule - The mapped rule instance.

parseRule

protected void parseRule(java.lang.String[] tokens,
                         int toklen)
                  throws RuleParserException

Create a suitable rule mapping for the tokenized rule.

Parameters:

tokens - The rule tokens, as a String array.

toklen - Number of tokens in above array.

Throws:

RuleParserException - if parsing failed.

parse

public RuleNode parse()
               throws RuleParserException,
                      java.io.IOException

Parse the our input stream into a RuleNode instance.

Throws:

java.io.IOException - If reading the rule input stream failed.

RuleParserException - If some invalid rule syntax was detected.