Examples of org.w3c.css.sac.ErrorHandler

org.w3c.css.sac.ErrorHandler
Basic interface for CSS error handlers.
If a CSS application needs to implement customized error handling, it must implement this interface and then register an instance with the CSS parser using the parser's setErrorHandler method. The parser will then report all errors and warnings through this interface.

The parser shall use this interface instead of throwing an exception: it is up to the application whether to throw an exception for different types of errors and warnings. Note, however, that there is no requirement that the parser continue to provide useful information after a call to fatalError (in other words, a CSS driver class could catch an exception and report a fatalError).

The HandlerBase class provides a default implementation of this interface, ignoring warnings and recoverable errors and throwing a SAXParseException for fatal errors. An application may extend that class rather than implementing the complete interface itself.
@version $Revision: 1.2 $ @author Philippe Le Hegaret

                public boolean processSynchron(HtmlPage page, WebRequestSettings settings, boolean async) {
                    return false;
                }
            });


            setCssErrorHandler(new ErrorHandler() {
                final ErrorHandler defaultHandler = new DefaultCssErrorHandler();


                public void warning(CSSParseException exception) throws CSSException {
                    if (!ignore(exception))
                        defaultHandler.warning(exception);

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                public boolean processSynchron(HtmlPage page, WebRequestSettings settings, boolean async) {
                    return false;
                }
            });


            setCssErrorHandler(new ErrorHandler() {
                final ErrorHandler defaultHandler = new DefaultCssErrorHandler();


                public void warning(CSSParseException exception) throws CSSException {
                    if (!ignore(exception))
                        defaultHandler.warning(exception);

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  {
    try
    {
      messageHandler = handler; //PJF: Batik SAC needs a better error interface for DocumentHandlers!


      ErrorHandler errorHandler = new ErrorHandler() {
        public void error(CSSParseException exception) throws CSSException
        {
                    if (mxmlPath != null)
                    {
                        handler.logError(mxmlPath, exception.getLineNumber(),

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     * @return the stylesheet parsed from the specified input source
     */
    private CSSStyleSheet parseCSS(final InputSource source) {
        CSSStyleSheet ss;
        try {
            final ErrorHandler errorHandler = getWindow().getWebWindow().getWebClient().getCssErrorHandler();
            final CSSOMParser parser = new CSSOMParser(new SACParserCSS21());
            parser.setErrorHandler(errorHandler);
            ss = parser.parseStyleSheet(source, null, null);
        }
        catch (final Exception e) {

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     * @return the selectors parsed from the specified input source
     */
    public SelectorList parseSelectors(final InputSource source) {
        SelectorList selectors;
        try {
            final ErrorHandler errorHandler = getWindow().getWebWindow().getWebClient().getCssErrorHandler();
            final CSSOMParser parser = new CSSOMParser(new SACParserCSS21());
            parser.setErrorHandler(errorHandler);
            selectors = parser.parseSelectors(source);
        }
        catch (final Exception e) {

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            final String uri = this.<DomNode>getDomNodeOrDie().getPage().getWebResponse().getRequestSettings()
            .getUrl().toExternalForm();
            final String styleAttribute = jsElement_.getDomNodeOrDie().getAttribute("style");
            final InputSource source = new InputSource(new StringReader(styleAttribute));
            source.setURI(uri);
            final ErrorHandler errorHandler = getWindow().getWebWindow().getWebClient().getCssErrorHandler();
            final CSSOMParser parser = new CSSOMParser(new SACParserCSS21());
            parser.setErrorHandler(errorHandler);
            try {
                styleDeclaration_ = parser.parseStyleDeclaration(source);
            }

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  {
    try
    {
      messageHandler = handler; //PJF: Batik SAC needs a better error interface for DocumentHandlers!


      ErrorHandler errorHandler = new ErrorHandler() {
        public void error(CSSParseException exception) throws CSSException
        {
                    if (mxmlPath != null)
                    {
                        handler.logError(mxmlPath, exception.getLineNumber(),

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    public void run() {
      WebClient webClient = new WebClient(browser);
      webClient.setAlertHandler(this);
      // Adding a handler that ignores errors to work-around
      // https://sourceforge.net/tracker/?func=detail&aid=3090806&group_id=47038&atid=448266
      webClient.setCssErrorHandler(new ErrorHandler() {


        public void error(CSSParseException exception) {
          // ignore
        }

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                public boolean processSynchron(HtmlPage page, WebRequestSettings settings, boolean async) {
                    return false;
                }
            });


            setCssErrorHandler(new ErrorHandler() {
                final ErrorHandler defaultHandler = new DefaultCssErrorHandler();


                public void warning(CSSParseException exception) throws CSSException {
                    if (!ignore(exception))
                        defaultHandler.warning(exception);

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