final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyBean.class);
        assertThat(BeanDescFactory.getBeanDesc(MyBean.class), is(sameInstance(beanDesc)));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testClear() throws Exception {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyBean.class);
        BeanDescFactory.clear();

        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final ConstructorDesc ctor = beanDesc.getConstructorDesc();
        assertThat(ctor, is(notNullValue()));
        assertThat(ctor.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(ctor.getConstructor(), is((Constructor) MyBean.class.getConstructor()));
        assertThat(ctor.getParameterTypes().length, is(0));
        assertThat(ctor.isPublic(), is(true));

        assertArgumentNotNull("annotation", annotation);

        final Map<String, Object> map = newHashMap();
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(annotation.annotationType());
        for (final String name : beanDesc.getMethodNames()) {
            final Object v = getProperty(beanDesc, annotation, name);
            if (v != null) {
                map.put(name, v);

        assertThat(pd.getPropertyType(), is(sameClass(String.class)));
    }

    /**
     * @throws Exception
     */
    public void testFieldType() throws Exception {
        BeanDesc bd = BeanDescFactory.getBeanDesc(Hoge.class);
        PropertyDesc pd = bd.getPropertyDesc("foo");
        assertThat(pd.isParameterized(), is(true));
        assertThat(pd.getElementClassOfCollection(), is(sameClass(String.class)));

     */
    @Test
    public void testHOGE() throws Exception {
        final BeanDesc beanDesc = new BeanDescImpl(MyBean.class);
        final FieldDesc hoge = beanDesc.getFieldDesc("HOGE");
        assertThat(hoge.getBeanDesc(), is(sameInstance(beanDesc)));
        assertThat(hoge.getField(), is(MyBean.class.getDeclaredField("HOGE")));
        assertThat(hoge.getFieldName(), is("HOGE"));

        assertThat(myBean.getURL(), is(notNullValue()));
    }

    /**
     *
     */
    public void testConvertWithString() {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyDto.class);
        final PropertyDesc pd = beanDesc.getPropertyDesc("myEnum");
        final MyDto dto = new MyDto();
        pd.setValue(dto, "ONE");
        assertEquals(MyEnum.ONE, dto.myEnum);
    }

        assertArgumentNotNull("dest", dest);
        assertArgumentNotNull("option", options);

        final BeanDesc srcBeanDesc = BeanDescFactory.getBeanDesc(src.getClass());
        final BeanDesc destBeanDesc = BeanDescFactory.getBeanDesc(dest.getClass());
        for (final PropertyDesc srcPropertyDesc : srcBeanDesc.getPropertyDescs()) {
            final String srcPropertyName = srcPropertyDesc.getPropertyName();

import org.codelibs.core.beans.factory.BeanDescFactory;
import org.codelibs.core.beans.util.BeanUtil;
import org.codelibs.core.beans.util.CopyOptions;

// Bean metadata introspection
BeanDesc beanDesc = BeanDescFactory.getBeanDesc(MyBean.class);
PropertyDesc nameProperty = beanDesc.getPropertyDesc("name");
nameProperty.setValue(bean, "John Doe");

// Bean copying with flexible options
BeanUtil.copyBeanToBean(source, destination);

/**
 * Interface for handling JavaBeans metadata.
 * <p>
 * Instances of {@link BeanDesc} are obtained from {@link BeanDescFactory}.
 * </p>
 *
 * <pre>
 * BeanDesc beanDesc = BeanDescFactory.getBeanDesc(Foo.class);
 * </pre>
 * <p>
 * From the obtained {@link BeanDesc}, you can retrieve metadata of the properties, fields, constructors, and methods of the target JavaBeans.
 * </p>
 *
 * <pre>

     *
     * @param target The target object.
     * @return The URL string, or null if not found.
     */
    private String getUrl(final Object target) {
        final BeanDesc beanDesc = BeanDescFactory.getBeanDesc(target.getClass());
        final PropertyDesc sessionIdProp = beanDesc.getPropertyDesc(URL);
        final Object sessionId = sessionIdProp.getValue(target);
        return sessionId == null ? null : sessionId.toString();