xmlerrorreporter.java

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     * for the specified error domain.
     * 
     * @param domain    The error domain.
     * @param key       The key of the error message.
     * @param arguments The replacement arguments for the error message,
     *                  if needed.
     * @param severity  The severity of the error.
     *
     * @see #SEVERITY_WARNING
     * @see #SEVERITY_ERROR
     * @see #SEVERITY_FATAL_ERROR
     */
    public void reportError(String domain, String key, Object[] arguments, 
                            short severity) throws XNIException {
        reportError(fLocator, domain, key, arguments, severity);
    } // reportError(String,String,Object[],short)

    /**
     * Reports an error at a specific location.
     * 
     * @param location  The error location.
     * @param domain    The error domain.
     * @param key       The key of the error message.
     * @param arguments The replacement arguments for the error message,
     *                  if needed.
     * @param severity  The severity of the error.
     *
     * @see #SEVERITY_WARNING
     * @see #SEVERITY_ERROR
     * @see #SEVERITY_FATAL_ERROR
     */
    public void reportError(XMLLocator location,
                            String domain, String key, Object[] arguments, 
                            short severity) throws XNIException {

        // REVISIT: [Q] Should we do anything about invalid severity
        //              parameter? -Ac
        
        // format error message and create parse exception
        MessageFormatter messageFormatter = getMessageFormatter(domain);
        String message;
        if (messageFormatter != null) {
            message = messageFormatter.formatMessage(fLocale, key, arguments);
        }
        else {
            StringBuffer str = new StringBuffer();
            str.append(domain);
            str.append('#');
            str.append(key);
            int argCount = arguments != null ? arguments.length : 0;
            if (argCount > 0) {
                str.append('?');
                for (int i = 0; i < argCount; i++) {
                    str.append(arguments[i]);
                    if (i < argCount -1) {
                        str.append('&');
                    }
                }
            }
            message = str.toString();
        }
        XMLParseException parseException = 
            new XMLParseException(location, message);

        // get error handler
        XMLErrorHandler errorHandler = fErrorHandler;
        if (errorHandler == null) {
            if (fDefaultErrorHandler == null) {
                fDefaultErrorHandler = new DefaultErrorHandler();
            }
            errorHandler = fDefaultErrorHandler;
        }

        // call error handler
        switch (severity) {
            case SEVERITY_WARNING: {
                errorHandler.warning(domain, key, parseException);
                break;
            }
            case SEVERITY_ERROR: {
                errorHandler.error(domain, key, parseException);
                break;
            }
            case SEVERITY_FATAL_ERROR: {
                errorHandler.fatalError(domain, key, parseException);
                if (!fContinueAfterFatalError) {
                    throw parseException;
                }
                break;
            }
        }

    } // reportError(XMLLocator,String,String,Object[],short)

    //
    // XMLComponent methods
    //

    /**
     * Resets the component. The component can query the component manager
     * about any features and properties that affect the operation of the
     * component.
     * 
     * @param componentManager The component manager.
     *
     * @throws SAXException Thrown by component on initialization error.
     *                      For example, if a feature or property is
     *                      required for the operation of the component, the
     *                      component manager may throw a 
     *                      SAXNotRecognizedException or a
     *                      SAXNotSupportedException.
     */
    public void reset(XMLComponentManager componentManager)
        throws XNIException {

        // features
        try {
            fContinueAfterFatalError = componentManager.getFeature(CONTINUE_AFTER_FATAL_ERROR);
        }
        catch (XNIException e) {
            fContinueAfterFatalError = false;
        }

        // properties
        fErrorHandler = (XMLErrorHandler)componentManager.getProperty(ERROR_HANDLER);

    } // reset(XMLComponentManager)

    /**
     * Returns a list of feature identifiers that are recognized by
     * this component. This method may return null if no features
     * are recognized by this component.
     */
    public String[] getRecognizedFeatures() {
        return (String[])(RECOGNIZED_FEATURES.clone());
    } // getRecognizedFeatures():String[]

    /**
     * Sets the state of a feature. This method is called by the component
     * manager any time after reset when a feature changes state. 
     * <p>
     * <strong>Note:</strong> Components should silently ignore features
     * that do not affect the operation of the component.
     * 
     * @param featureId The feature identifier.
     * @param state     The state of the feature.
     *
     * @throws SAXNotRecognizedException The component should not throw
     *                                   this exception.
     * @throws SAXNotSupportedException The component should not throw
     *                                  this exception.
     */
    public void setFeature(String featureId, boolean state)
        throws XMLConfigurationException {

        //
        // Xerces features
        //

        if (featureId.startsWith(Constants.XERCES_FEATURE_PREFIX)) {
            final int suffixLength = featureId.length() - Constants.XERCES_FEATURE_PREFIX.length();
            
            //
            // http://apache.org/xml/features/continue-after-fatal-error
            //   Allows the parser to continue after a fatal error.
            //   Normally, a fatal error would stop the parse.
            //
            if (suffixLength == Constants.CONTINUE_AFTER_FATAL_ERROR_FEATURE.length() && 
                featureId.endsWith(Constants.CONTINUE_AFTER_FATAL_ERROR_FEATURE)) {
                fContinueAfterFatalError = state;
            }
        }

    } // setFeature(String,boolean)

    // return state of given feature or false if unsupported.
    public boolean getFeature(String featureId)
        throws XMLConfigurationException {

        //
        // Xerces features
        //

        if (featureId.startsWith(Constants.XERCES_FEATURE_PREFIX)) {
        	final int suffixLength = featureId.length() - Constants.XERCES_FEATURE_PREFIX.length();
        	
            //
            // http://apache.org/xml/features/continue-after-fatal-error
            //   Allows the parser to continue after a fatal error.
            //   Normally, a fatal error would stop the parse.
            //
            if (suffixLength == Constants.CONTINUE_AFTER_FATAL_ERROR_FEATURE.length() && 
                featureId.endsWith(Constants.CONTINUE_AFTER_FATAL_ERROR_FEATURE)) {
                return fContinueAfterFatalError ;
            }
        }
        return false;

    } // setFeature(String,boolean)

    /**
     * Returns a list of property identifiers that are recognized by
     * this component. This method may return null if no properties
     * are recognized by this component.
     */
    public String[] getRecognizedProperties() {
        return (String[])(RECOGNIZED_PROPERTIES.clone());
    } // getRecognizedProperties():String[]

    /**
     * Sets the value of a property. This method is called by the component
     * manager any time after reset when a property changes value. 
     * <p>
     * <strong>Note:</strong> Components should silently ignore properties
     * that do not affect the operation of the component.
     * 
     * @param propertyId The property identifier.
     * @param value      The value of the property.
     *
     * @throws SAXNotRecognizedException The component should not throw
     *                                   this exception.
     * @throws SAXNotSupportedException The component should not throw
     *                                  this exception.
     */
    public void setProperty(String propertyId, Object value)
        throws XMLConfigurationException {

        //
        // Xerces properties
        //

        if (propertyId.startsWith(Constants.XERCES_PROPERTY_PREFIX)) {
            final int suffixLength = propertyId.length() - Constants.XERCES_PROPERTY_PREFIX.length();

            if (suffixLength == Constants.ERROR_HANDLER_PROPERTY.length() && 
                propertyId.endsWith(Constants.ERROR_HANDLER_PROPERTY)) {
                fErrorHandler = (XMLErrorHandler)value;
            }
        }

    } // setProperty(String,Object)
    
    /** 
     * Returns the default state for a feature, or null if this
     * component does not want to report a default value for this
     * feature.
     *
     * @param featureId The feature identifier.
     *
     * @since Xerces 2.2.0
     */
    public Boolean getFeatureDefault(String featureId) {
        for (int i = 0; i < RECOGNIZED_FEATURES.length; i++) {
            if (RECOGNIZED_FEATURES[i].equals(featureId)) {
                return FEATURE_DEFAULTS[i];
            }
        }
        return null;
    } // getFeatureDefault(String):Boolean

    /** 
     * Returns the default state for a property, or null if this
     * component does not want to report a default value for this
     * property. 
     *
     * @param propertyId The property identifier.
     *
     * @since Xerces 2.2.0
     */
    public Object getPropertyDefault(String propertyId) {
        for (int i = 0; i < RECOGNIZED_PROPERTIES.length; i++) {
            if (RECOGNIZED_PROPERTIES[i].equals(propertyId)) {
                return PROPERTY_DEFAULTS[i];
            }
        }
        return null;
    } // getPropertyDefault(String):Object

    /**
     * Get the internal XMLErrrorHandler.
     */
    public XMLErrorHandler getErrorHandler() {
        return fErrorHandler;
    }
    
    
    private ErrorHandler fSaxProxy = null;
    
    /**
     * Gets the internal XMLErrorHandler
     * as SAX ErrorHandler.
     */
    public ErrorHandler getSAXErrorHandler() {
        if( fSaxProxy==null )
            fSaxProxy = new ErrorHandlerProxy() {
                protected XMLErrorHandler getErrorHandler() {
                    return fErrorHandler;
                }
            };
        return fSaxProxy;
    }
} // class XMLErrorReporter