FormatHTMLLayout.java 文件源码

public String format(LoggingEvent event) {

        if (sbuf.capacity() > MAX_CAPACITY) {
            sbuf = new StringBuffer(BUF_SIZE);
        } else {
            sbuf.setLength(0);
        }

        sbuf.append(Layout.LINE_SEP + "<tr>" + Layout.LINE_SEP);

        sbuf.append("<td >");
//        sbuf.append(event.timeStamp - LoggingEvent.getStartTime());
        sbuf.append(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new java.util.Date()));
        sbuf.append("</td>" + Layout.LINE_SEP);

        Object app = event.getMDC("app");
        sbuf.append("<td title=\"" + app + " thread\">");
        if(app!=null){
            sbuf.append(app.toString());
        }
        sbuf.append("&nbsp;</td>" + Layout.LINE_SEP);

        String escapedThread = Transform.escapeTags(event.getThreadName());
        sbuf.append("<td title=\"" + escapedThread + " thread\">");
        sbuf.append(escapedThread);
        sbuf.append("</td>" + Layout.LINE_SEP);

        sbuf.append("<td title=\"Level\">");
        if (event.getLevel().equals(Level.DEBUG)) {
            sbuf.append("<font color=\"#339933\">");
            sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
            sbuf.append("</font>");
        } else if (event.getLevel().isGreaterOrEqual(Level.WARN)) {
            sbuf.append("<font color=\"#993300\"><strong>");
            sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
            sbuf.append("</strong></font>");
        } else {
            sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
        }
        sbuf.append("</td>" + Layout.LINE_SEP);

        String escapedLogger = Transform.escapeTags(event.getLoggerName());
        sbuf.append("<td title=\"" + escapedLogger + " category\">");
        sbuf.append(escapedLogger);
        sbuf.append("</td>" + Layout.LINE_SEP);

        if (locationInfo) {
            LocationInfo locInfo = event.getLocationInformation();
            sbuf.append("<td>");
            sbuf.append(Transform.escapeTags(locInfo.getFileName()));
            sbuf.append(':');
            sbuf.append(locInfo.getLineNumber());
            sbuf.append("</td>" + Layout.LINE_SEP);
        }

        sbuf.append("<td title=\"Message\">");
        sbuf.append(Transform.escapeTags(event.getRenderedMessage()));
        sbuf.append("</td>" + Layout.LINE_SEP);
        sbuf.append("</tr>" + Layout.LINE_SEP);

        if (event.getNDC() != null) {
            sbuf.append("<tr><td bgcolor=\"#EEEEEE\" style=\"font-size : xx-small;\" colspan=\"6\" title=\"Nested Diagnostic Context\">");
            sbuf.append("NDC: " + Transform.escapeTags(event.getNDC()));
            sbuf.append("</td></tr>" + Layout.LINE_SEP);
        }

        String[] s = event.getThrowableStrRep();
        if (s != null) {
            sbuf.append("<tr><td bgcolor=\"#993300\" style=\"color:White; font-size : xx-small;\" colspan=\"6\">");
            appendThrowableAsHTML(s, sbuf);
            sbuf.append("</td></tr>" + Layout.LINE_SEP);
        }

        return sbuf.toString();
    }