DataBinderTests.java 文件源码

@Test
public void testEditorForNestedIndexedField() {
    IndexedTestBean tb = new IndexedTestBean();
    tb.getArray()[0].setNestedIndexedBean(new IndexedTestBean());
    tb.getArray()[1].setNestedIndexedBean(new IndexedTestBean());
    DataBinder binder = new DataBinder(tb, "tb");
    binder.registerCustomEditor(String.class, "array.nestedIndexedBean.list.name", new PropertyEditorSupport() {
        @Override
        public void setAsText(String text) throws IllegalArgumentException {
            setValue("list" + text);
        }
        @Override
        public String getAsText() {
            return ((String) getValue()).substring(4);
        }
    });
    MutablePropertyValues pvs = new MutablePropertyValues();
    pvs.add("array[0].nestedIndexedBean.list[0].name", "test1");
    pvs.add("array[1].nestedIndexedBean.list[1].name", "test2");
    binder.bind(pvs);
    assertEquals("listtest1", ((TestBean)tb.getArray()[0].getNestedIndexedBean().getList().get(0)).getName());
    assertEquals("listtest2", ((TestBean)tb.getArray()[1].getNestedIndexedBean().getList().get(1)).getName());
    assertEquals("test1", binder.getBindingResult().getFieldValue("array[0].nestedIndexedBean.list[0].name"));
    assertEquals("test2", binder.getBindingResult().getFieldValue("array[1].nestedIndexedBean.list[1].name"));
}