org.owasp.validator.css
Class CssValidator

java.lang.Object
  org.owasp.validator.css.CssValidator

public class CssValidator
extends java.lang.Object

Encapsulates all the neceesary operations for validating individual eleements of a stylesheet (namely: selectors, conditions and properties).

Author:

Jason Li

Constructor Summary

CssValidator(Policy policy)
Constructs a validator for CSS selectors, conditions and properties based on the given policy.

Method Summary

boolean	isValidCondition(java.lang.String selectorName, org.w3c.css.sac.Condition condition) Determines whether the given condition is valid according to this validator's policy.
boolean	isValidProperty(java.lang.String name, org.w3c.css.sac.LexicalUnit lu) Determines whether the given property (both name and value) are valid according to this validator's policy.
boolean	isValidSelector(java.lang.String selectorName, org.w3c.css.sac.Selector selector) Determines whether the given selector name is valid according to this validator's policy.
java.lang.String	lexicalValueToString(org.w3c.css.sac.LexicalUnit lu) Converts the given lexical unit to a String representation.

Methods inherited from class java.lang.Object

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

Constructor Detail

CssValidator

public CssValidator(Policy policy)

Constructs a validator for CSS selectors, conditions and properties based on the given policy.

Parameters:

policy - the policy file to use in this validator

Method Detail

isValidProperty

public boolean isValidProperty(java.lang.String name,
                               org.w3c.css.sac.LexicalUnit lu)

Determines whether the given property (both name and value) are valid according to this validator's policy.

Parameters:

name - the name of the property

lu - the value of the property

Returns:

true if this property name/value is valid; false otherwise

isValidSelector

public boolean isValidSelector(java.lang.String selectorName,
                               org.w3c.css.sac.Selector selector)
                        throws ScanException

Determines whether the given selector name is valid according to this validator's policy.

Parameters:

selectorName - the name of the selector

selector - the object representation of the selector

results - the CleanResults object to add any error messages to

Returns:

true if this selector name is valid; false otherwise

Throws:

ScanException

isValidCondition

public boolean isValidCondition(java.lang.String selectorName,
                                org.w3c.css.sac.Condition condition)
                         throws ScanException

Determines whether the given condition is valid according to this validator's policy.

Parameters:

selectorName - the name of the selector that contains this condition

condition - the object representation of this condition

results - the CleanResults object to add any error messages to

Returns:

true if this condition is valid; false otherwise

Throws:

ScanException

lexicalValueToString

public java.lang.String lexicalValueToString(org.w3c.css.sac.LexicalUnit lu)

Converts the given lexical unit to a String representation. This method does not perform any validation - it is meant to be used in conjunction with the validator/logging methods.

Parameters:

lu - the lexical unit to convert

Returns:

a String representation of the given lexical unit