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Pure HTML 5 tag support in JSF 2

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逝去的感伤
逝去的感伤 2020-12-06 03:35

I want to use plain HTML 5 in my JSF page as some UI functionality cannot be achieved by HTML support provided by JSF2.

In JSF 2.0, some attributes of HTML 5 f

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  • 轻奢々
    2020-12-06 03:59

    HTML5 Support was added in JSF2.2. Since then you can add passthrough Attributes to JSF-Components:

    <html xmlns="http://www.w3.org/1999/xhtml"
  xmlns:h="http://java.sun.com/jsf/html"
  xmlns:p="http://java.sun.com/jsf/passthrough">
  <h:form>
    <h:inputText p:type="email" />
  </h:form>
</html>

    Attributes which are not known will be ignored by JSF (2.0 and 2.2). If you need to render HTML5-Attributes with JSF2.0 you can use Omnifaces HTML5 Renderkit.

    Pure HTML-Tags are just pure HTML-Tags. They are no JSF components. So they will be rendered to the view but JSF won't care about them and won't update your Model.

    JSF2.2 came also with Passthrough Elements. Now it's possible to turn a HTML-Tag to a JSF-Component:

    <html xmlns="http://www.w3.org/1999/xhtml"
  xmlns:jsf="http://java.sun.com/jsf" 
  xmlns:f="http://java.sun.com/jsf/core">
  <input jsf:id="foo" type="text" jsf:value="#{bean.bar}">
</html>

    JSF knows that there is a corresponding UIComponent and will convert this HTML-Tag to a h:inputText. If there is no corresponding UIComponent JSF will create a special one which supports ajax.

    See also: JSF 2.2: HTML5 friendly markup

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