}

    @Override
    public void warn(final String message, final Throwable t) {
        logger.warn(message, t);
    }

    @Override
    public boolean isInfoEnabled() {
        return logger.isInfoEnabled();
    }

    @Override
    public void info(final String message) {
        logger.info(message);
    }

    @Override
    public void info(final String message, final Throwable t) {

     * @return INFO情報が出力されるかどうか
     */
    public boolean isInfoEnabled() {
        return log.isInfoEnabled();
    }

    /**
     * INFO情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void info(final Object message, final Throwable throwable) {
        if (isInfoEnabled()) {
            log.info(toString(message), throwable);

    void error(String message);

    void error(String message, Throwable t);

    boolean isWarnEnabled();

    void warn(String message);

    void warn(String message, Throwable t);

    boolean isInfoEnabled();

    void info(String message);

    void info(String message, Throwable t);

    boolean isDebugEnabled();

    void debug(String message);

    void debug(String message, Throwable t);

    }

    @Override
    public void warn(final String message, final Throwable t) {
        logger.logp(Level.WARNING, sourceClass, null, message, t);
    }

    @Override
    public boolean isInfoEnabled() {
        return logger.isLoggable(Level.INFO);
    }

    @Override
    public void info(final String message) {
        logger.logp(Level.INFO, sourceClass, null, message);
    }

    @Override