ShortFormatter.java

package org.mongodb.morphia.logging.jdk;


import org.mongodb.morphia.logging.Logger;
import org.mongodb.morphia.logging.MorphiaLoggerFactory;

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

/**
 * A formatter providing a short format
 */
public class ShortFormatter extends Formatter {
    private static final MessageFormat FORMAT = new MessageFormat("[{1}|{2}|{3,date,h:mm:ss}]{0} :{4}");
    private static final Logger LOG = MorphiaLoggerFactory.get(ShortFormatter.class);

    @Override
    @SuppressWarnings("ThrowableResultOfMethodCallIgnored")
    public String format(final LogRecord record) {
        final StringBuilder sb = new StringBuilder();
        String source = record.getSourceClassName() == null ? record.getLoggerName() : record.getSourceClassName();
        source = source.substring(source.length() - 15) + "." + (record.getSourceMethodName() == null ? "" : record.getSourceMethodName());

        final Object[] arguments = new Object[6];
        arguments[0] = source;
        arguments[1] = record.getLevel();
        arguments[2] = Thread.currentThread().getName();
        arguments[3] = new Date(record.getMillis());
        arguments[4] = record.getMessage();
        sb.append(FORMAT.format(arguments));

        if (record.getThrown() != null) {
            try {
                final StringWriter sw = new StringWriter();
                final PrintWriter pw = new PrintWriter(sw);
                //CHECKSTYLE:OFF
                record.getThrown().printStackTrace(pw);
                //CHECKSTYLE:ON
                pw.close();
                sb.append(sw.toString());
            } catch (Exception ex) {
                LOG.error(ex.getMessage(), ex);
            }
        }
        sb.append("\n");
        return sb.toString();
    }

}