net.sf.fmj.utility.FmjLoggingFormatter Maven / Gradle / Ivy

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Freedom for Media in Java
There is a newer version: 1.0.2-jitsi
package net.sf.fmj.utility;

import java.io.*;
import java.text.*;
import java.util.*;
import java.util.logging.*;
import java.util.logging.Formatter;

/**
 * Copied and modified from SimpleFormatter, to not use the date/class line.
 *
 * @author Ken Larson
 *
 */
public class FmjLoggingFormatter extends Formatter
{
    private final boolean NO_FIRST_LINE = true;
    Date dat = new Date();
    private final static String format = "{0,date} {0,time}";
    private MessageFormat formatter;

    private Object args[] = new Object[1];

    // Line separator string. This is the value of the line.separator
    // property at the moment that the SimpleFormatter was created.
    private String lineSeparator = System.getProperty("line.separator");

    /**
     * Format the given LogRecord.
     *
     * @param record
     *            the log record to be formatted.
     * @return a formatted log record
     */
    @Override
    public synchronized String format(LogRecord record)
    {
        StringBuffer sb = new StringBuffer();
        // Minimize memory allocations here.
        dat.setTime(record.getMillis());
        args[0] = dat;
        StringBuffer text = new StringBuffer();
        if (!NO_FIRST_LINE)
        {
            if (formatter == null)
            {
                formatter = new MessageFormat(format);
            }
            formatter.format(args, text, null);
            sb.append(text);
            sb.append(" ");
            if (record.getSourceClassName() != null)
            {
                sb.append(record.getSourceClassName());
            } else
            {
                sb.append(record.getLoggerName());
            }
            if (record.getSourceMethodName() != null)
            {
                sb.append(" ");
                sb.append(record.getSourceMethodName());
            }
            sb.append(lineSeparator);
        }
        String message = formatMessage(record);
        sb.append(record.getLevel().getLocalizedName());
        sb.append(": ");
        sb.append(message);
        sb.append(lineSeparator);
        if (record.getThrown() != null)
        {
            try
            {
                StringWriter sw = new StringWriter();
                PrintWriter pw = new PrintWriter(sw);
                record.getThrown().printStackTrace(pw);
                pw.close();
                sb.append(sw.toString());
            } catch (Exception ex)
            {
            }
        }
        return sb.toString();
    }
}