/
LogFormatter.java
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/
LogFormatter.java
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package nallar.tickthreading;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.SimpleDateFormat;
import java.util.logging.Formatter;
import java.util.logging.Level;
import java.util.logging.LogRecord;
public class LogFormatter extends Formatter {
static final String LINE_SEPARATOR = System.getProperty("line.separator");
private static SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
private int writtenSize = 0;
public static void setFormat(boolean u, SimpleDateFormat dateFormat) {
if (dateFormat != null) {
LogFormatter.dateFormat = dateFormat;
}
}
@Override
public String format(LogRecord record) {
StringBuilder formattedMessage = new StringBuilder();
formattedMessage.append(dateFormat.format(record.getMillis()));
Level level = record.getLevel();
String name = level.getName().toUpperCase();
formattedMessage.append(" [").append(name == null ? "" : name).append("] ");
String loggerName = record.getLoggerName();
formattedMessage
.append('[').append(loggerName == null ? "" : loggerName).append("] ")
.append(record.getMessage()).append(LINE_SEPARATOR);
// No need to throw this, we're in a log formatter!
@SuppressWarnings ("ThrowableResultOfMethodCallIgnored")
Throwable throwable = record.getThrown();
if (throwable != null) {
if (throwable.getClass().getName().endsWith("ThreadStuckError")) {
return "";
}
if (throwable.getStackTrace().length == 0) {
formattedMessage.append("Stack trace unavailable for ").append(String.valueOf(throwable)).append('-').append(throwable.getClass().getName()).append(". Add -XX:-OmitStackTraceInFastThrow to your java parameters to see all stack traces.").append(LINE_SEPARATOR);
} else {
StringWriter stackTraceWriter = new StringWriter();
// No need to close this - StringWriter.close() does nothing, and PrintWriter.close() just calls it.
//noinspection IOResourceOpenedButNotSafelyClosed
throwable.printStackTrace(new PrintWriter(stackTraceWriter));
formattedMessage.append(throwable.getClass() == Throwable.class ? stackTraceWriter.toString().replace("java.lang.Throwable\n", "") : stackTraceWriter.toString());
}
}
if ((writtenSize += formattedMessage.length()) > (1024 * 1024 * 50)) { // 50MB
writtenSize = Integer.MIN_VALUE;
Log.disableDiskWriting("No more log messages will be recorded to disk, exceeded 50MB log size.");
}
return formattedMessage.toString();
}
}