case 'D':
            return new LogMessage(LogLevel.DEBUG, message);
        case 'I':
            return new LogMessage(LogLevel.INFO, message);
        case 'W':
            return new LogMessage(LogLevel.WARN, message);
        case 'E':
            return new LogMessage(LogLevel.ERROR, message);
        case 'F':
            return new LogMessage(LogLevel.FATAL, message);
        default:

        return this;
    }

    /**
     * Sets the log level for this job execution.
     *
     * @param logLevel the log level (e.g., DEBUG, INFO, WARN, ERROR)
     * @return this ExecJob instance for method chaining
     */
    public ExecJob logLevel(final String logLevel) {
        this.logLevel = logLevel;
        return this;
    }

    /**
     * Sets the log suffix for this job execution.

        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel == null) {
            addSystemProperty(cmdList, "fess.log.level", null, null);
        } else {
            cmdList.add("-Dfess.log.level=" + logLevel);
        }
        stream(fessConfig.getJvmSuggestOptionsAsArray())

        addSystemProperty(cmdList, Constants.FESS_THUMBNAIL_PATH, null, null);
        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel != null) {
            cmdList.add("-Dfess.log.level=" + logLevel);
        }
        stream(fessConfig.getJvmThumbnailOptionsAsArray())
                .of(stream -> stream.filter(StringUtil::isNotBlank).forEach(value -> cmdList.add(value)));

    public void setLogLevel(final String level) {
        final Level logLevel = Level.toLevel(level, Level.WARN);
        System.setProperty(Constants.FESS_LOG_LEVEL, logLevel.toString());
        split(ComponentUtil.getFessConfig().getLoggingAppPackages(), ",")
                .of(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).forEach(s -> Configurator.setLevel(s, logLevel)));
    }

    /**
     * Gets the current log level.

            if (SpnegoHttpFilter.Constants.LOGGER_LEVEL.equals(name)) {
                final String logLevel = getProperty(SPNEGO_LOGGER_LEVEL, StringUtil.EMPTY);
                if (StringUtil.isNotBlank(logLevel)) {
                    return logLevel;
                }
                if (logger.isDebugEnabled()) {
                    return "3";
                }

        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel == null) {
            addSystemProperty(cmdList, "fess.log.level", null, null);
        } else {
            cmdList.add("-Dfess.log.level=" + logLevel);
            if ("debug".equalsIgnoreCase(logLevel)) {
                cmdList.add("-Dorg.apache.tika.service.error.warn=true");
            }
        }

        assertEquals(testPath, execJob.logFilePath);
        assertSame(execJob, result);
    }

    // Test logLevel setter
    @Test
    public void test_logLevel() {
        String testLevel = "DEBUG";
        ExecJob result = execJob.logLevel(testLevel);
        assertEquals(testLevel, execJob.logLevel);
        assertSame(execJob, result);
    }

    // Test logSuffix setter
    @Test

    public String notificationSearchTop;

    /**
     * System log level for controlling log verbosity.
     * Controls the level of detail in system log messages.
     */
    @Size(max = 10)
    public String logLevel;

    /**
     * Storage service endpoint URL for cloud storage integration.
     * Used for storing files in cloud storage services like S3.
     */
    @Size(max = 1000)
    public String storageEndpoint;

        assertEquals(response, systemHelper.getRedirectResponseToRoot(response));
    }

    @Test
    public void test_getLogLevel() {
        final String logLevel = systemHelper.getLogLevel();
        try {
            systemHelper.setLogLevel("DEBUG");
            assertEquals("DEBUG", systemHelper.getLogLevel());
            systemHelper.setLogLevel("INFO");