org.jwall.web.audit.filter

Class ExpressionReader

java.lang.Object

org.jwall.web.audit.filter.ExpressionReader

public class ExpressionReader
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	STRICT_PARSING

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ExpressionReader(String str)
protected	ExpressionReader(String str, Collection<String> variables)
protected	ExpressionReader(String str, Collection<String> variables, Set<Operator> operators)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	endOfLine()
Set<BooleanOperator>	getBooleanOperators()
String	getInputString()
int	getPosition()
protected boolean	hasBooleanOperator()
boolean	isStrictParsing()
static FilterExpression	parse(String str)
protected BooleanOperator	readBooleanOperator()
protected FilterExpression	readFilterExpression()
FilterExpressionList	readNestedExpression()
protected Operator	readOperator()
protected String	readQuotedString(char ch)
FilterExpression	readSimpleFilter()
protected String	readValue()
protected String	readVariable()
void	setBooleanOperators(Set<BooleanOperator> booleanOps)
void	setStrictParsing(boolean strictParsing)
protected void	skipWhiteSpace()
boolean	startsWith(String str)

Methods inherited from class java.lang.Object

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

Field Detail

STRICT_PARSING

public static final boolean STRICT_PARSING

Constructor Detail

ExpressionReader

protected ExpressionReader(String str)

ExpressionReader

protected ExpressionReader(String str,
                Collection<String> variables)

ExpressionReader

protected ExpressionReader(String str,
                Collection<String> variables,
                Set<Operator> operators)

Method Detail

isStrictParsing

public boolean isStrictParsing()

Returns:

the strictParsing

setStrictParsing

public void setStrictParsing(boolean strictParsing)

Parameters:

strictParsing - the strictParsing to set

setBooleanOperators

public void setBooleanOperators(Set<BooleanOperator> booleanOps)

getBooleanOperators

public Set<BooleanOperator> getBooleanOperators()

readFilterExpression

protected FilterExpression readFilterExpression()
                                         throws FilterException

Throws:

FilterException

endOfLine

public boolean endOfLine()

readNestedExpression

public FilterExpressionList readNestedExpression()
                                          throws FilterException

Throws:

FilterException

startsWith

public boolean startsWith(String str)

readSimpleFilter

public FilterExpression readSimpleFilter()
                                  throws FilterException

Throws:

FilterException

hasBooleanOperator

protected boolean hasBooleanOperator()

readBooleanOperator

protected BooleanOperator readBooleanOperator()
                                       throws FilterException

Throws:

FilterException

getPosition

public int getPosition()

getInputString

public String getInputString()

skipWhiteSpace

protected void skipWhiteSpace()

readVariable

protected String readVariable()
                       throws FilterException

Throws:

FilterException

readOperator

protected Operator readOperator()
                         throws SyntaxException

Throws:

SyntaxException

readValue

protected String readValue()
                    throws FilterException

Throws:

FilterException

readQuotedString

protected String readQuotedString(char ch)

parse

public static final FilterExpression parse(String str)
                                    throws FilterException

Throws:

FilterException