import org.codelibs.fess.util.ComponentUtil;

public abstract class MonitorTarget implements TimeoutTarget {

    protected StringBuilder append(final StringBuilder buf, final String key, final Supplier<Object> supplier) {
        final StringBuilder tempBuf = new StringBuilder();
        tempBuf.append('"').append(key).append("\":");
        try {
            final Object value = supplier.get();
            if (value == null) {

                logger.warn("Failed to send {} to {}.", body, url, e);
            }
        }));
    }

    protected String toSlackMessage(final SMailPostingDiscloser discloser) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append("{\"text\":\"");
        buf.append(LF);
        buf.append(StringEscapeUtils.escapeJson(discloser.getSavedSubject().orElse(StringUtil.EMPTY).trim()));
        buf.append(LF).append("```");

        stream(values).of(stream -> stream.forEach(argList::add));
        return this;
    }

    @Override
    public String execute() {
        final StringBuilder resultBuf = new StringBuilder();

        if (sessionId == null) { // create session id
            sessionId = RandomStringUtils.randomAlphabetic(15);
        }
        resultBuf.append("Session Id: ").append(sessionId).append("\n");

        }
        return target;
    }

    private String toString(Dependency dependency) {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder
                .append(dependency.getGroupId())
                .append(":")
                .append(dependency.getArtifactId())
                .append(":")

public class SystemMonitorTarget extends MonitorTarget {
    private static final Logger logger = LogManager.getLogger(SystemMonitorTarget.class);

    @Override
    public void expired() {
        final StringBuilder buf = new StringBuilder(1000);

        buf.append("[SYSTEM MONITOR] ");
        buf.append('{');

        appendOsStats(buf);
        appendProcessStats(buf);
        appendJvmStats(buf);
        appendFesenStats(buf);

    public ExecJob remoteDebug() {
        return jvmOptions("-Xdebug", "-Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=localhost:8000");
    }

    public ExecJob gcLogging() {
        final StringBuilder buf = new StringBuilder(100);
        buf.append("-Xlog:gc*,gc+age=trace,safepoint:file=");
        if (logFilePath != null) {
            buf.append(logFilePath);
        } else {

    /**
     * メッセージを作成します。
     *
     * @param cause
     *            原因
     * @return メッセージ
     */
    protected static String createMessage(final SAXException cause) {
        final StringBuilder buf = new StringBuilder(100);
        buf.append(cause);
        if (cause instanceof SAXParseException) {
            final SAXParseException e = (SAXParseException) cause;
            if (e.getSystemId() != null) {

    }

    private String buildAccessUserTrace(final AccessContextResource resource, final UserTypeSupplier userTypeSupplier,
            final AppTypeSupplier appTypeSupplier) {
        final StringBuilder sb = new StringBuilder();
        sb.append(userTypeSupplier.supply().orElse("_"));
        sb.append(",").append(appTypeSupplier.supply()).append(",").append(resource.getModuleName());
        final String trace = sb.toString();

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final SystemHelper systemHelper = ComponentUtil.getSystemHelper();

        final StringBuilder resultBuf = new StringBuilder();

        final PingResponse ping = searchEngineClient.ping();
        final int status = ping.getStatus();
        if (systemHelper.isChangedClusterState(status)) {

        final LabelTypeHelper labelTypeHelper = ComponentUtil.getLabelTypeHelper();
        final LanguageHelper languageHelper = ComponentUtil.getLanguageHelper();

        final StringBuilder resultBuf = new StringBuilder();

        try {
            final long count = searchEngineClient.updateByQuery(fessConfig.getIndexDocumentUpdateIndex(), option -> {
                if (queryBuilder != null) {