@Override
public Component getListCellRendererComponent(
JList<? extends LogRecord> list,
LogRecord record,
int index,
boolean isSelected,
boolean cellHasFocus) {
JLabel label =
(JLabel)
defaultRenderer.getListCellRendererComponent(
list, record, index, isSelected, cellHasFocus);
String formattedText = getFormattedText(record);
label.setText(formattedText);
if (!isSelected) {
if (record.getFormattedMessage().startsWith("---")
&& record.getFormattedMessage().endsWith("---")) {
label.setForeground(Color.GRAY);
} else if (record.getLogLevel() == LogLevel.ERROR) {
label.setForeground(new Color(220, 0, 0));
} else if (record.getLogLevel() == LogLevel.WARN) {
label.setForeground(new Color(255, 135, 0));
} else if (record.getLogLevel() == LogLevel.DEBUG) {
label.setForeground(Color.LIGHT_GRAY);
}
}
label.setBorder(border);
return label;
}
private String getFormattedText(LogRecord record) {
String firstLine =
String.format(
"%7s %s %s",
record.getLogLevel(),
getTimestampRendering(record.getTimestamp()),
record.getFormattedMessage());
if (!record.getThrowableInfo().isPresent()) {
return firstLine;
}
StringBuilder sb = new StringBuilder();
sb.append("<html><body><span style=\"font-weight: bold;\">");
sb.append(firstLine);
sb.append("</span><br>\n");
ThrowableInfo throwableInfo = record.getThrowableInfo().get();
renderThrowableInfo(sb, throwableInfo, 0);
sb.append("</body></html>");
return sb.toString().replace(" ", " ");
}
@Override
@SuppressWarnings("ThrowableResultOfMethodCallIgnored")
public String format(LogRecord record) {
StringBuilder builder = new StringBuilder();
builder.append(date.format(record.getMillis()));
builder.append(" [");
builder.append(record.getLevel().getLocalizedName().toUpperCase());
builder.append("] ");
builder.append(colorize(formatMessage(record)));
builder.append('\n');
if (record.getThrown() != null) {
StringWriter writer = new StringWriter();
record.getThrown().printStackTrace(new PrintWriter(writer));
builder.append(writer.toString());
}
return builder.toString();
}