this.projectDir = projectDir;
        this.pathTranslator = pathTranslator;
    }

    public Object execute(String expression, Object value) {
        expression = ValueSourceUtils.trimPrefix(expression, expressionPrefixes, true);

        if (projectDir != null && value != null && unprefixedPathKeys.contains(expression)) {
            return pathTranslator.alignToBaseDirectory(String.valueOf(value), projectDir);

     */
    @Test
    public void testTrimPrefix() throws Exception {
        final CopyOptions option = new CopyOptions();
        assertThat(option.trimPrefix("aaa"), is("aaa"));
        option.prefix(BeanNames.search_());
        assertThat(option.trimPrefix("search_aaa"), is("aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testConvertValue_zeroConverter() throws Exception {

        return trimPrefix(srcPropertyName.replace(beanDelimiter, mapDelimiter));
    }

    /**
     * コピー元のプロパティ名をコピー先となるBean用のプロパティ名に変換して返します。
     *
     * @param srcPropertyName
     *            コピー元のプロパティ名
     * @return コピー先のプロパティ名
     */
    protected String toBeanDestPropertyName(final String srcPropertyName) {
        return trimPrefix(srcPropertyName.replace(mapDelimiter, beanDelimiter));

        }

        @Override
        public Object execute(String expression, Object value) {
            if (value != null) {
                expression = ValueSourceUtils.trimPrefix(expression, expressionPrefixes, true);
                if (unprefixedPathKeys.contains(expression)) {
                    return pathTranslator.alignToBaseDirectory(String.valueOf(value), projectDir);
                }

            if (!srcPropertyDesc.isReadable() || !options.isTargetProperty(srcPropertyName)) {
                continue;
            }
            final String destPropertyName = options.trimPrefix(srcPropertyName);
            if (!destBeanDesc.hasPropertyDesc(destPropertyName)) {
                continue;
            }
            final PropertyDesc destPropertyDesc = destBeanDesc.getPropertyDesc(destPropertyName);

    }

    /**
     * @throws Exception
     */
    @Test
    public void testTrimPrefix() throws Exception {
        assertEquals("AAA", StringUtil.trimPrefix("T_AAA", "T_"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testIsBlank() throws Exception {
        assertEquals("1", true, StringUtil.isBlank(" "));

    /**
     * プレフィックスを削ります。
     *
     * @param text
     *            テキスト
     * @param prefix
     *            プレフィックス
     * @return 結果の文字列
     */
    public static final String trimPrefix(final String text, final String prefix) {
        if (text == null) {
            return null;
        }
        if (prefix == null) {
            return text;
        }
        if (text.startsWith(prefix)) {