Class XmlErrorHandler

java/org/apache/tomcat/util/descriptor/XmlErrorHandler.java:31–97

SAX error handler that collects warnings and errors for later processing.

 * SAX error handler that collects warnings and errors for later processing.
 */
public class XmlErrorHandler implements ErrorHandler {

    /**
     * Default constructor.
     */
    public XmlErrorHandler() {
    }

    private static final StringManager sm = StringManager.getManager(Constants.PACKAGE_NAME);

    private final List<SAXParseException> errors = new ArrayList<>();

    private final List<SAXParseException> warnings = new ArrayList<>();

    @Override
    public void error(SAXParseException exception) throws SAXException {
        // Collect non-fatal errors
        errors.add(exception);
    }

    @Override
    public void fatalError(SAXParseException exception) throws SAXException {
        // Re-throw fatal errors
        throw exception;
    }

    @Override
    public void warning(SAXParseException exception) throws SAXException {
        // Collect warnings
        warnings.add(exception);
    }

    /**
     * Returns the list of collected parsing errors.
     *
     * @return the list of errors
     */
    public List<SAXParseException> getErrors() {
        // Internal use only - don't worry about immutability
        return errors;
    }

    /**
     * Returns the list of collected parsing warnings.
     *
     * @return the list of warnings
     */
    public List<SAXParseException> getWarnings() {
        // Internal use only - don't worry about immutability
        return warnings;
    }

    /**
     * Logs all collected warnings and errors to the specified log.
     *
     * @param log    the log to use
     * @param source the source of the XML being parsed
     */