Examples with ErrorHandler org.apache.log4j.spi.ErrorHandler used on opensource projects

Example 6 with ErrorHandler

use of org.apache.log4j.spi.ErrorHandler in project logging-log4j2 by apache.

the class PropertyConfigurator method parseAppender.

Appender parseAppender(final Properties properties, final String appenderName) {
    Appender appender = registryGet(appenderName);
    if ((appender != null)) {
        LogLog.debug("Appender \"" + appenderName + "\" was already parsed.");
        return appender;
    }
    // Appender was not previously initialized.
    final String prefix = APPENDER_PREFIX + appenderName;
    final String layoutPrefix = prefix + ".layout";
    appender = (Appender) OptionConverter.instantiateByKey(properties, prefix, org.apache.log4j.Appender.class, null);
    if (appender == null) {
        LogLog.error("Could not instantiate appender named \"" + appenderName + "\".");
        return null;
    }
    appender.setName(appenderName);
    if (appender instanceof OptionHandler) {
        if (appender.requiresLayout()) {
            final Layout layout = (Layout) OptionConverter.instantiateByKey(properties, layoutPrefix, Layout.class, null);
            if (layout != null) {
                appender.setLayout(layout);
                LogLog.debug("Parsing layout options for \"" + appenderName + "\".");
                // configureOptionHandler(layout, layoutPrefix + ".", props);
                PropertySetter.setProperties(layout, properties, layoutPrefix + ".");
                LogLog.debug("End of parsing for \"" + appenderName + "\".");
            }
        }
        final String errorHandlerPrefix = prefix + ".errorhandler";
        final String errorHandlerClass = OptionConverter.findAndSubst(errorHandlerPrefix, properties);
        if (errorHandlerClass != null) {
            final ErrorHandler eh = (ErrorHandler) OptionConverter.instantiateByKey(properties, errorHandlerPrefix, ErrorHandler.class, null);
            if (eh != null) {
                appender.setErrorHandler(eh);
                LogLog.debug("Parsing errorhandler options for \"" + appenderName + "\".");
                parseErrorHandler(eh, errorHandlerPrefix, properties, repository);
                final Properties edited = new Properties();
                final String[] keys = new String[] { errorHandlerPrefix + "." + ROOT_REF, errorHandlerPrefix + "." + LOGGER_REF, errorHandlerPrefix + "." + APPENDER_REF_TAG };
                for (final Object element : properties.entrySet()) {
                    final Map.Entry entry = (Map.Entry) element;
                    int i = 0;
                    for (; i < keys.length; i++) {
                        if (keys[i].equals(entry.getKey())) {
                            break;
                        }
                    }
                    if (i == keys.length) {
                        edited.put(entry.getKey(), entry.getValue());
                    }
                }
                PropertySetter.setProperties(eh, edited, errorHandlerPrefix + ".");
                LogLog.debug("End of errorhandler parsing for \"" + appenderName + "\".");
            }
        }
        // configureOptionHandler((OptionHandler) appender, prefix + ".", props);
        PropertySetter.setProperties(appender, properties, prefix + ".");
        LogLog.debug("Parsed \"" + appenderName + "\" options.");
    }
    parseAppenderFilters(properties, appenderName, appender);
    registryPut(appender);
    return appender;
}