protected void setupNewValue(UIInput input) {
input.setSubmittedValue("foo");
UISelectItem si = new UISelectItem();
si.setItemValue("foo");
si.setItemLabel("foo label");
input.getChildren().add(si);
}
@Test
public void testSaveState() {
FacesContext context = EasyMock.createMock(FacesContext.class);
UIInput input = new UIInput();
replay(context);
assertNotNull(input.saveState(context));
verify(context);
}
@Test
public void testRestoreState() {
FacesContext context = EasyMock.createMock(FacesContext.class);
UIInput input = new UIInput();
replay(context);
input.restoreState(context, null);
verify(context);
}
@Test(expected = NullPointerException.class)
public void testRestoreState2() {
FacesContext context = EasyMock.createMock(FacesContext.class);
UIInput input = new UIInput();
replay(context);
input.restoreState(null, null);
verify(context);
}
@Test
public void testRestoreState3() {
FacesContext context = EasyMock.createMock(FacesContext.class);
UIInput input = new UIInput();
replay(context);
Object state = input.saveState(context);
assertNotNull(state);
input.restoreState(context, state);
verify(context);
}
/**
* <span class="changed_modified_2_0">In</span> addition to the standard validation behavior
* inherited from {@link UIInput}, ensure that any specified value is equal to one of the
* available options. Before comparing each option, coerce the option value type to the type of
* this component's value following the Expression Language coercion rules. If the specified value
* is not equal to any of the options, enqueue an error message and set the <code>valid</code>
* property to <code>false</code>.
*
* <p class="changed_added_2_0">If {@link #isRequired} returns <code>true</code>, and the current
* value is equal to the value of an inner {@link UISelectItem} whose {@link
* UISelectItem#isNoSelectionOption} method returns <code>true</code>, enqueue an error message
* and set the <code>valid</code> property to <code>false</code>.
*
* @param context The {@link FacesContext} for the current request
* @param value The converted value to test for membership.
* @throws NullPointerException if <code>context</code> is <code>null</code>
*/
protected void validateValue(FacesContext context, Object value) {
// Skip validation if it is not necessary
super.validateValue(context, value);
if (!isValid() || (value == null)) {
return;
}
// Ensure that the value matches one of the available options
boolean found =
SelectUtils.matchValue(
getFacesContext(), this, value, new SelectItemsIterator(context, this), getConverter());
boolean isNoSelection =
SelectUtils.valueIsNoSelectionOption(
getFacesContext(), this, value, new SelectItemsIterator(context, this), getConverter());
// Enqueue an error message if an invalid value was specified
if ((!found) || (isRequired() && isNoSelection)) {
FacesMessage message =
MessageFactory.getMessage(
context, INVALID_MESSAGE_ID, MessageFactory.getLabel(context, this));
context.addMessage(getClientId(context), message);
setValid(false);
}
}
protected List<SelectItem> getSelectItems(FacesContext context, UIInput component) {
List<SelectItem> selectItems = new ArrayList<SelectItem>();
for (UIComponent child : component.getChildren()) {
if (child instanceof UISelectItem) {
UISelectItem uiSelectItem = (UISelectItem) child;
Object selectItemValue = uiSelectItem.getValue();
if (selectItemValue == null) {
selectItems.add(
new SelectItem(
uiSelectItem.getItemValue(),
uiSelectItem.getItemLabel(),
uiSelectItem.getItemDescription(),
uiSelectItem.isItemDisabled(),
uiSelectItem.isItemEscaped(),
uiSelectItem.isNoSelectionOption()));
} else {
selectItems.add((SelectItem) selectItemValue);
}
} else if (child instanceof UISelectItems) {
UISelectItems uiSelectItems = ((UISelectItems) child);
Object value = uiSelectItems.getValue();
if (value != null) {
if (value instanceof SelectItem) {
selectItems.add((SelectItem) value);
} else if (value.getClass().isArray()) {
for (int i = 0; i < Array.getLength(value); i++) {
Object item = Array.get(value, i);
if (item instanceof SelectItem) selectItems.add((SelectItem) item);
else selectItems.add(createSelectItem(context, uiSelectItems, item));
}
} else if (value instanceof Map) {
Map map = (Map) value;
for (Iterator it = map.keySet().iterator(); it.hasNext(); ) {
Object key = it.next();
selectItems.add(
createSelectItem(context, uiSelectItems, String.valueOf(key), map.get(key)));
}
} else if (value instanceof Collection) {
Collection collection = (Collection) value;
for (Iterator it = collection.iterator(); it.hasNext(); ) {
Object item = it.next();
if (item instanceof SelectItem) selectItems.add((SelectItem) item);
else selectItems.add(createSelectItem(context, uiSelectItems, item));
}
}
}
}
}
return selectItems;
}
// 编写处理Action事件的方法
public void processAction(ActionEvent event) {
// 获取当前的FacesContext对象
FacesContext context = FacesContext.getCurrentInstance();
// 获取JSF页面中<f:view.../>元素
UIViewRoot viewRoot = context.getViewRoot();
// 通过ID获取<f:view.../>内的<h:form.../>子元素。
UIComponent comp = viewRoot.findComponent("addForm");
// 通过ID获取<h:form.../>内的第一个<h:inputText.../>子元素。
UIInput input = (UIInput) comp.findComponent("name");
// 通过ID获取<h:form.../>内的第二个<h:inputText.../>子元素。
HtmlInputText price = (HtmlInputText) comp.findComponent("price");
if (input.getValue().equals("疯狂Java讲义")) {
price.setSize(60);
price.setValue("99.0元");
price.setStyle("background-color:#9999ff;" + "font-weight:bold");
}
}
@Test
public void testSaveState4() {
FacesContext context = EasyMock.createMock(FacesContext.class);
UIInput input = new UIInput();
LengthValidator l1 = new LengthValidator();
LengthValidator l2 = new LengthValidator();
replay(context);
input.addValidator(l1);
input.addValidator(l2);
l1.setMinimum(1);
l2.setMinimum(2);
input.markInitialState();
assertTrue(input.initialStateMarked());
assertTrue(l1.initialStateMarked());
assertTrue(l2.initialStateMarked());
Object state = input.saveState(context);
assertNull(state);
verify(context);
}
@Test(expected = NullPointerException.class)
public void testSaveState2() {
UIInput input = new UIInput();
input.saveState(null);
}
@Test
public void testRestoreState5() {
FacesContext context = EasyMock.createMock(FacesContext.class);
UIInput input = new UIInput();
LengthValidator l1 = new LengthValidator();
LengthValidator l2 = new LengthValidator();
replay(context);
input.addValidator(l1);
input.addValidator(l2);
l1.setMinimum(1);
l2.setMinimum(2);
input.markInitialState();
l2.setMinimum(3);
assertTrue(input.initialStateMarked());
assertTrue(l1.initialStateMarked());
assertTrue(!l2.initialStateMarked());
Object state = input.saveState(context);
assertTrue(state instanceof Object[]);
Object[] validatorState = (Object[]) ((Object[]) state)[3];
assertNotNull(validatorState);
assertNull(validatorState[0]);
assertNotNull(validatorState[1]);
assertTrue(!(validatorState[1] instanceof StateHolderSaver));
input = new UIInput();
l1 = new LengthValidator();
l2 = new LengthValidator();
l1.setMinimum(1);
l2.setMinimum(2);
input.addValidator(l1);
input.addValidator(l2);
input.restoreState(context, state);
assertTrue(l1.getMinimum() == 1);
assertTrue(l2.getMinimum() == 3);
assertTrue(input.getValidators().length == 2);
input = new UIInput();
l1 = new LengthValidator();
l2 = new LengthValidator();
input.addValidator(l1);
input.addValidator(l2);
l1.setMinimum(1);
l2.setMinimum(2);
input.markInitialState();
LengthValidator l3 = new LengthValidator();
l3.setMinimum(3);
input.addValidator(l3);
state = input.saveState(context);
assertNotNull(validatorState);
assertTrue(state instanceof Object[]);
validatorState = (Object[]) ((Object[]) state)[3];
assertNotNull(validatorState);
assertTrue(validatorState.length == 3);
assertNotNull(validatorState[0]);
assertNotNull(validatorState[1]);
assertNotNull(validatorState[2]);
assertTrue(validatorState[0] instanceof StateHolderSaver);
assertTrue(validatorState[1] instanceof StateHolderSaver);
assertTrue(validatorState[2] instanceof StateHolderSaver);
input = new UIInput();
l1 = new LengthValidator();
l2 = new LengthValidator();
l3 = new LengthValidator();
LengthValidator l4 = new LengthValidator();
input.addValidator(l1);
input.addValidator(l2);
input.addValidator(l3);
input.addValidator(l4);
l1.setMinimum(100);
l2.setMinimum(101);
l3.setMinimum(102);
l4.setMinimum(103);
assertTrue(input.getValidators().length == 4);
input.markInitialState();
input.restoreState(context, state);
assertTrue(input.getValidators().length == 3);
Validator[] validators = input.getValidators();
for (int i = 0, len = validators.length; i < len; i++) {
LengthValidator v = (LengthValidator) validators[i];
assertTrue(v.getMinimum() == (i + 1));
}
verify(context);
}