*/
    @Test
    public void testIsTarget() throws Exception {
        final DateConverter converter = new DateConverter("yyyy/MM/dd");
        assertThat(converter.isTarget(Date.class), is(true));
        assertThat(converter.isTarget(Timestamp.class), is(not(true)));
    }

     */
    @Test
    public void testIsTarget() throws Exception {
        final SqlDateConverter converter = new SqlDateConverter("yyyy/MM/dd");
        assertThat(converter.isTarget(java.sql.Date.class), is(true));
        assertThat(converter.isTarget(java.util.Date.class), is(not(true)));
    }

     */
    @Test
    public void testIsTarget() throws Exception {
        final NumberConverter converter = new NumberConverter("##0");
        assertThat(converter.isTarget(Integer.class), is(true));
        assertThat(converter.isTarget(Timestamp.class), is(not(true)));
    }

     * @throws Exception
     */
    public void testIsTarget() throws Exception {
        final TimeConverter converter = new TimeConverter("yyyy/MM/dd");
        assertThat(converter.isTarget(java.sql.Time.class), is(true));
        assertThat(converter.isTarget(java.util.Date.class), is(not(true)));
    }

        if (value == null) {
            return null;
        }
        return StringConversionUtil.toString((Date) value, pattern);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return clazz == Time.class;
    }

     */
    @Test
    public void testIsTarget() throws Exception {
        final TimestampConverter converter = new TimestampConverter("yyyy/MM/dd");
        assertThat(converter.isTarget(java.sql.Timestamp.class), is(true));
        assertThat(converter.isTarget(java.util.Date.class), is(not(true)));
    }

        if (value == null) {
            return null;
        }
        return StringConversionUtil.toString((Date) value, pattern);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return clazz == Date.class;
    }

        if (value == null) {
            return null;
        }
        return StringConversionUtil.toString((Date) value, pattern);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return clazz == java.sql.Date.class;
    }

        if (value == null) {
            return null;
        }
        return StringConversionUtil.toString((Date) value, pattern);
    }

    @Override
    public boolean isTarget(final Class<?> clazz) {
        assertArgumentNotNull("clazz", clazz);
        return clazz == java.sql.Timestamp.class;
    }

     *
     * @param clazz
     *            クラス
     * @return コンバータ
     */
    protected Converter findConverter(final Class<?> clazz) {
        for (final Converter c : converters) {
            if (c.isTarget(clazz)) {
                return c;
            }
        }
        return null;
    }

    /**
     * クラスに対応するデフォルトのコンバータを探します。
     *
     * @param clazz
     *            クラス