org.bukkit.craftbukkit.util.ShortConsoleLogFormatter Maven / Gradle / Ivy

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package org.bukkit.craftbukkit.util;

import joptsimple.OptionException;
import joptsimple.OptionSet;
import net.minecraft.server.MinecraftServer;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.SimpleDateFormat;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;

public class ShortConsoleLogFormatter extends Formatter {
  private final SimpleDateFormat date;

  public ShortConsoleLogFormatter(MinecraftServer server) {
    OptionSet options = server.options;
    SimpleDateFormat date = null;

    if (options.has("date-format")) {
      try {
        Object object = options.valueOf("date-format");

        if ((object != null) && (object instanceof SimpleDateFormat)) {
          date = (SimpleDateFormat) object;
        }
      } catch (OptionException ex) {
        System.err.println("Given date format is not valid. Falling back to default.");
      }
    } else if (options.has("nojline")) {
      date = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    }

    if (date == null) {
      date = new SimpleDateFormat("HH:mm:ss");
    }

    this.date = date;
  }

  @Override
  public String format(LogRecord record) {
    StringBuilder builder = new StringBuilder();
    Throwable ex = record.getThrown();

    builder.append(date.format(record.getMillis()));
    builder.append(" [");
    builder.append(record.getLevel().getLocalizedName().toUpperCase());
    builder.append("] ");
    builder.append(formatMessage(record));
    builder.append('\n');

    if (ex != null) {
      StringWriter writer = new StringWriter();
      ex.printStackTrace(new PrintWriter(writer));
      builder.append(writer);
    }

    return builder.toString();
  }

}