com.helger.css.reader.errorhandler

Class CollectingCSSParseErrorHandler

java.lang.Object

com.helger.css.reader.errorhandler.CollectingCSSParseErrorHandler

All Implemented Interfaces:

ICSSParseErrorHandler

@ThreadSafe
public class CollectingCSSParseErrorHandler
extends Object
implements ICSSParseErrorHandler

A collecting implementation of ICSSParseErrorHandler. So in case a recoverable error occurs, it is remembered in the internal list and can be retrieved by getAllParseErrors().

Author:

Philip Helger

Constructor Summary

Constructors

Constructor and Description
CollectingCSSParseErrorHandler()
CollectingCSSParseErrorHandler(ICSSParseErrorHandler aNestedErrorHandler)

Method Summary

Modifier and Type	Method and Description
List<CSSParseError>	getAllParseErrors()
int	getParseErrorCount()
boolean	hasParseErrors()
void	onCSSParseError(Token aLastValidToken, int[][] aExpectedTokenSequencesVal, String[] aTokenImageVal, Token aLastSkippedToken) Called upon a recoverable error.
void	onCSSUnexpectedRule(Token aCurrentToken, String sRule, String sMsg) Called upon an unexpected rule.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectingCSSParseErrorHandler

public CollectingCSSParseErrorHandler()

CollectingCSSParseErrorHandler

public CollectingCSSParseErrorHandler(@Nullable
                                      ICSSParseErrorHandler aNestedErrorHandler)

Method Detail

onCSSParseError

public void onCSSParseError(@Nonnull
                            Token aLastValidToken,
                            @Nonnull
                            int[][] aExpectedTokenSequencesVal,
                            @Nonnull
                            String[] aTokenImageVal,
                            @Nullable
                            Token aLastSkippedToken)
                     throws ParseException

Description copied from interface: ICSSParseErrorHandler

Called upon a recoverable error. The parameter list is similar to the one of the ParseException.

Specified by:

onCSSParseError in interface ICSSParseErrorHandler

Parameters:

aLastValidToken - The last valid token. May not be null.

aExpectedTokenSequencesVal - The expected token. May not be null.

aTokenImageVal - The error token image. May not be null.

aLastSkippedToken - The token until which was skipped (incl.) May be null.

Throws:

ParseException - In case the error is fatal and should be propagated.

onCSSUnexpectedRule

public void onCSSUnexpectedRule(@Nonnull
                                Token aCurrentToken,
                                @Nonnull @Nonempty
                                String sRule,
                                @Nonnull @Nonempty
                                String sMsg)
                         throws ParseException

Description copied from interface: ICSSParseErrorHandler

Called upon an unexpected rule. This happens e.g. when @import is used in the middle of the file.

Specified by:

onCSSUnexpectedRule in interface ICSSParseErrorHandler

Parameters:

aCurrentToken - The token that could not be interpreted. Never null.

sRule - The name of the rule. Always starts with a '@'. Neither null nor empty.

sMsg - The custom error message. Neither null nor empty.

Throws:

ParseException - In case the error is fatal and should be propagated.

hasParseErrors

@Nonnegative
public boolean hasParseErrors()

Returns:

true if at least one parse error is contained, false otherwise.

getParseErrorCount

@Nonnegative
public int getParseErrorCount()

Returns:

The number of contained parse errors. Always ≥ 0.

getAllParseErrors

@Nonnull
 @ReturnsMutableCopy
public List<CSSParseError> getAllParseErrors()

Returns:

A copy of the list with all contained errors. Never null but maybe empty.

See Also:

getParseErrorCount(), hasParseErrors()

toString

public String toString()

Overrides:

toString in class Object