org.apache.logging.log4j.core.pattern.PatternParser Java Examples

/**
 * Gets a new instance of the {@link MinecraftFormattingConverter} with the
 * specified options.
 *
 * @param config The current configuration
 * @param options The pattern options
 * @return The new instance
 *
 * @see MinecraftFormattingConverter
 */
public static @Nullable MinecraftFormattingConverter newInstance(Configuration config, String[] options) {
    if (options.length < 1 || options.length > 2) {
        LOGGER.error("Incorrect number of options on minecraftFormatting. Expected at least 1, max 2 received " + options.length);
        return null;
    }
    if (options[0] == null) {
        LOGGER.error("No pattern supplied on minecraftFormatting");
        return null;
    }

    PatternParser parser = PatternLayout.createPatternParser(config);
    List<PatternFormatter> formatters = parser.parse(options[0]);
    boolean strip = options.length > 1 && "strip".equals(options[1]);
    return new MinecraftFormattingConverter(formatters, strip);
}
 

/**
 * Constructor.
 * @param pattern The file pattern.
 */
public PatternProcessor(final String pattern) {
    this.pattern = pattern;
    final PatternParser parser = createPatternParser();
    // FIXME: this seems to expect List<ArrayPatternConverter> in practice; types need to be fixed around this
    final List<PatternConverter> converters = new ArrayList<>();
    final List<FormattingInfo> fields = new ArrayList<>();
    parser.parse(pattern, converters, fields, false, false, false);
    final FormattingInfo[] infoArray = new FormattingInfo[fields.size()];
    patternFields = fields.toArray(infoArray);
    final ArrayPatternConverter[] converterArray = new ArrayPatternConverter[converters.size()];
    patternConverters = converters.toArray(converterArray);
    this.fileExtension = FileExtension.lookupForFile(pattern);

    for (final ArrayPatternConverter converter : patternConverters) {
        // TODO: extract common interface
        if (converter instanceof DatePatternConverter) {
            final DatePatternConverter dateConverter = (DatePatternConverter) converter;
            frequency = calculateFrequency(dateConverter.getPattern());
        } else if (converter instanceof FileDatePatternConverter) {
            frequency = calculateFrequency(((FileDatePatternConverter) converter).getPattern());
        }
    }
}
 

@Override
public Serializer build() {
    if (Strings.isEmpty(pattern) && Strings.isEmpty(defaultPattern)) {
        return null;
    }
    if (patternSelector == null) {
        try {
            final PatternParser parser = createPatternParser(configuration);
            final List<PatternFormatter> list = parser.parse(pattern == null ? defaultPattern : pattern,
                    alwaysWriteExceptions, disableAnsi, noConsoleNoAnsi);
            final PatternFormatter[] formatters = list.toArray(new PatternFormatter[0]);
            return new PatternSerializer(formatters, replace);
        } catch (final RuntimeException ex) {
            throw new IllegalArgumentException("Cannot parse pattern '" + pattern + "'", ex);
        }
    }
    return new PatternSelectorSerializer(patternSelector, replace);
}
 

private Map<String, FieldFormatter> createFieldFormatters(final LoggerFields[] loggerFields,
        final Configuration config) {
    final Map<String, FieldFormatter> sdIdMap = new HashMap<>(loggerFields == null ? 0 : loggerFields.length);
    if (loggerFields != null) {
        for (final LoggerFields loggerField : loggerFields) {
            final StructuredDataId key = loggerField.getSdId() == null ? mdcSdId : loggerField.getSdId();
            final Map<String, List<PatternFormatter>> sdParams = new HashMap<>();
            final Map<String, String> fields = loggerField.getMap();
            if (!fields.isEmpty()) {
                final PatternParser fieldParser = createPatternParser(config, null);

                for (final Map.Entry<String, String> entry : fields.entrySet()) {
                    final List<PatternFormatter> formatters = fieldParser.parse(entry.getValue());
                    sdParams.put(entry.getKey(), formatters);
                }
                final FieldFormatter fieldFormatter = new FieldFormatter(sdParams,
                        loggerField.getDiscardIfAllFieldsAreEmpty());
                sdIdMap.put(key.toString(), fieldFormatter);
            }
        }
    }
    return sdIdMap.size() > 0 ? sdIdMap : null;
}
 

public ConsolePatternSelector(
    final AbstractConfiguration configuration, final boolean omitStackTraces) {
  this.omitStackTraces = omitStackTraces;

  final PatternParser patternParser = PatternLayout.createPatternParser(configuration);
  omitStackTraceFormat =
      patternParser.parse(CONSOLE_EXCEPTION_FORMAT, false, true).toArray(PatternFormatter[]::new);
  defaultFormat =
      patternParser.parse(CONSOLE_FORMAT, true, true).toArray(PatternFormatter[]::new);
}
 

/**
 * Constructs a new {@link LoggerNamePatternSelector}.
 *
 * @param defaultPattern The default pattern to use if no logger name matches
 * @param properties The pattern match rules to use
 * @param alwaysWriteExceptions Write exceptions even if pattern does not
 *     include exception conversion
 * @param disableAnsi If true, disable all ANSI escape codes
 * @param noConsoleNoAnsi If true and {@link System#console()} is null,
 *     disable ANSI escape codes
 * @param config The configuration
 */
protected LoggerNamePatternSelector(String defaultPattern, PatternMatch[] properties,
        boolean alwaysWriteExceptions, boolean disableAnsi, boolean noConsoleNoAnsi, Configuration config) {
    PatternParser parser = PatternLayout.createPatternParser(config);
    PatternFormatter[] emptyFormatters = new PatternFormatter[0];
    this.defaultFormatters = parser.parse(defaultPattern, alwaysWriteExceptions, disableAnsi, noConsoleNoAnsi)
            .toArray(emptyFormatters);
    for (PatternMatch property : properties) {
        PatternFormatter[] formatters = parser.parse(property.getPattern(), alwaysWriteExceptions, disableAnsi, noConsoleNoAnsi)
                .toArray(emptyFormatters);
        for (String name : property.getKey().split(",")) {
            this.formatters.add(new LoggerNameSelector(name, formatters));
        }
    }
}
 

/**
 * Gets a new instance of the {@link HighlightErrorConverter} with the
 * specified options.
 *
 * @param config The current configuration
 * @param options The pattern options
 * @return The new instance
 */
public static @Nullable HighlightErrorConverter newInstance(Configuration config, String[] options) {
    if (options.length != 1) {
        LOGGER.error("Incorrect number of options on highlightError. Expected 1 received " + options.length);
        return null;
    }
    if (options[0] == null) {
        LOGGER.error("No pattern supplied on highlightError");
        return null;
    }

    PatternParser parser = PatternLayout.createPatternParser(config);
    List<PatternFormatter> formatters = parser.parse(options[0]);
    return new HighlightErrorConverter(formatters);
}
 

/**
 * @param pattern the pattern to use or DEFAULT when null
 * @param alwaysWriteExceptions defaults to true
 * @param disableAnsi defaults to false
 * @param noConsoleNoAnsi defaults to false
 */
IbisPatternLayout(final Configuration config, final String pattern, final Charset charset, final boolean alwaysWriteExceptions, final boolean disableAnsi, final boolean noConsoleNoAnsi) {
	super(config, charset);

	try {
		final PatternParser parser = PatternLayout.createPatternParser(configuration);
		final List<PatternFormatter> list = parser.parse(pattern, alwaysWriteExceptions, disableAnsi, noConsoleNoAnsi);
		final PatternFormatter[] formatters = list.toArray(new PatternFormatter[0]);
		serializer = new PatternSerializer(formatters);
	} catch (final RuntimeException ex) {
		throw new IllegalArgumentException("Cannot parse pattern '" + pattern + "'", ex);
	}
}
 

private static List<PatternFormatter> createFormatters() {
    final Configuration config = new DefaultConfiguration();
    final PatternParser parser = new PatternParser(config, "Converter", LogEventPatternConverter.class);
    return parser.parse("%d %5p [%t] %c{1} %X{transactionId} - %m%n", false, true);
}
 

private PatternParser createPatternParser() {

        return new PatternParser(null, KEY, null);
    }