package de.uhilger.transit;

import java.text.DateFormat;
import java.util.Locale;
import java.util.Date;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.XMLFormatter;

/**
 * a log formatter which displays only message and date/time
 *
 * @author Ulrich Hilger
 * @author <a href="http://uhilger.de">http://uhilger.de</a>
 * @author published under the terms and conditions of the
 *      GNU General Public License
 *
 * @version 2, April 20, 2012 (changed from version 1, July 11, 2004)
 */

public class TextLogFormatter extends XMLFormatter {

  /** constructor */
  public TextLogFormatter() {
    lineSeparator = System.getProperty("line.separator");
  }

  /**
   * format a log record
   * @param record LogRecord the record to format
   * @return String the formatted log record
   */
  public String format(LogRecord record) {
    StringBuffer buf = new StringBuffer();
    DateFormat df = DateFormat.getDateTimeInstance(
      DateFormat.SHORT, DateFormat.MEDIUM, Locale.getDefault());
    buf.append(df.format(new Date(record.getMillis())));
    buf.append("   ");
    buf.append(record.getMessage());
    buf.append("   ");
    buf.append(record.getLevel());
    buf.append(" ");
    buf.append(record.getSourceClassName());
    buf.append(".");
    buf.append(record.getSourceMethodName());
    buf.append(lineSeparator);
    return buf.toString();
  }

  /**
   * get the header string
   * @param h Handler the handler
   * @return String the header string
   */
  public String getHead(Handler h) {
    return "";
  }

  /**
   * get the trailing string
   * @param h Handler the handler
   * @return String the trailing string
   */
  public String getTail(Handler h) {
    return "";
  }
  
  /** holds the system dependent line separator */
  private String lineSeparator;
}