pdf / 6-jsf
.pdf
JSF
Java Server Faces
v1.2
Компоненты
●API для UI компонентов и управления их состоянием
–Модель событий
–Проверка введенных данных и их преобразование
–Управление навигаций
–I18N
–Расширяемость
●Две библиотеки тэгов для JSP
JSF Application
●Состоит из:
–JSP Pages
–Backing beans
–Configuration files
–web.xml
–Custom components, validators, converters, listeners, сustom tags
●Шаги для создания приложения:
–Mapping the FacesServlet instance.
–Создание страниц с использованием tags & UI Components
–Определение правил навигации между страницами.
–Разработка backing beans.
–Добавление декларации бинов в файл конфигурации.
UI Component Model
●UIComponent classes которые определяют поведение и состояние UI components
●Rendering model — определяет как отображать компоненты
●Event & listener model — определяет как обрабатывать события от компонентов
●Conversion model — конвертация данных
●Validation model — регистрация валидаторов для компонентов
UI Component Classes
(UIComponentBase)
●UIColumn
●UICommand
●UIData
●UIForm
●UIGraphic
●UIInput
●UIMessage
●UIMessages
●UIOutput
●UIPanel
●UIParameter
●UISelectBoolean
●UISelectItem
●UISelectItems
●UISelectMany
●UISelectOne
●UIViewRoot
Behavioral interfaces
●ActionSource (для предыдущих версий)
●ActionSource2
●EditableValueHolderExtends ValueHolder, добавляет проверку данных, value-change events.
●NamingContainer — каждый потомок должен иметь уникальный ID
●StateHolder — компонент имеет состояние которое необходимо сохранять между запросами
●ValueHolder — содержит значение которое может быть использовано в приложение
Component Rendering Model
Tag |
Functions |
Rendered As |
Appearance |
column |
Represents a column of data in aA column of data in an HTML A column in a table |
||
|
UIData component. |
table |
|
commandButton |
Submits a form to the |
An HTML<input |
A button |
|
application. |
type=type> element, |
|
|
|
where thetype value can be |
|
|
|
submit, reset, or image |
|
commandLink |
Links to another page or |
An HTML<a href> |
A hyperlink |
|
location on a page. |
element |
|
dataTable |
Represents a data wrapper. |
An HTML<table> element A table that can be |
|
|
|
|
updated dynamically |
form |
Represents an input form. The |
An HTML<form> element |
No appearance |
|
inner tags of the form receive |
|
|
|
the data that will be submitted |
|
|
|
with the form. |
|
|
graphicImage |
Displays an image. |
An HTML<img> element |
An image |
Component Rendering Model
inputHidden Allows a page author to |
<input |
No appearance |
An HTML |
||
include a hidden variable |
type=hidden> element |
|
in a page. |
|
|
inputSecret Allows a user to input a string without the actual string appearing in the field.
inputText Allows a user to input a string.
inputTextarea Allows a user to enter a multiline string.
message |
Displays a localized |
|
message. |
messages |
Displays localized |
|
messages. |
outputFormat |
Displays a localized |
|
message. |
An HTML<input |
A text field, which |
type=password> element |
displays a row of |
|
characters instead of the |
|
actual string entered |
An HTML<input |
A text field |
type=text> element |
|
An HTML<textarea> |
A multi-row text field |
element |
|
An HTML<span> tag if |
A text string |
styles are used |
|
A set of HTML<span> tags if A text string |
|
styles are used |
|
Plain text |
Plain text |
Component Rendering Model
outputLabel
outputLink
Displays a nested component asAn HTML<label> element |
Plain text |
|
a label for a specified input |
|
|
field. |
|
|
Links to another page or |
An HTML<a> element |
A hyperlink |
location on a page without |
|
|
generating an action event. |
|
|
outputText |
Displays a line of text. |
Plain text |
Plain text |
panelGrid |
Displays a table. |
An HTML<table> element |
A table |
|
|
with <tr> and <td> elements |
|
panelGroup |
Groups a set of components |
|
A row in a table |
|
under one parent. |
|
|
selectBooleanC heckbox
selectItem
Allows a user to change the |
An HTML<input |
A check box |
value of a Boolean choice. |
type=checkbox> element. |
|
Represents one item in a list of An HTML<option> elementNo appearance items in a UISelectOne
component.
Component Rendering Model
selectItems |
Represents a list of items in a |
A list of HTML |
No appearance |
|
|
UISelectOne component. |
<option> elements |
|
|
selectManyCheckbox |
Displays a set of check boxes from |
A set of HTML <input> A set of check |
||
|
which the user can select multiple |
elements of type |
boxes |
|
|
values. |
checkbox |
|
|
selectManyListbox |
Allows a user to select multiple |
An HTML |
<select> |
A list box |
|
items from a set of items, all |
element |
|
|
|
displayed at once. |
|
|
|
selectManyMenu |
Allows a user to select multiple |
An HTML |
<select> |
A scrollable |
|
items from a set of items. |
element |
|
combo box |
selectOneListbox |
Allows a user to select one item |
An HTML |
<select> |
A list box |
|
from a set of items, all displayed at |
element |
|
|
|
once. |
|
|
|
selectOneMenu |
Allows a user to select one item |
An HTML |
<select> |
A scrollable |
|
from a set of items. |
element |
|
combo box |
selectOneRadio |
Allows a user to select one item |
An HTML |
<input |
A set of radio |
|
from a set of items. |
type=radio> element |
buttons |
|