How To Use Input Type File In Jsf Tutorial

In JSF, you can use the tag to render a HTML input of type=”text. Upload Files with JSF and MyFaces. An HTML form can contain one or more input type='file'> elements that the browser.

  • I created a JSF page with an input tag of type 'file' and a submit button. Here's a step-by-step tutorial. In JSF 2.2 you can easily upload file using tag.
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In JSF 2.0, both <h:button /> and <h:commandButton /> tags are used to render HTML input element of type button, with different mechanism to handle the navigation.

1. JSF h:commandButton example

The “h:commandButton” tag is released since JSF 1.x, you can declare the bean, which return the navigation outcome in the “action” attribute. If browser’s with JavaScript disabled, the navigation is still working, because the navigation is handled via form post.

1. Submit button

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2. Reset button

3. Normal button

4. Normal button with onclick event

Input type file filter

2. JSF h:button example

The “h:button” is a new tag in JSF 2.0, you can declared the navigation outcome directly in the “outcome” attribute, no need to call a bean to return an outcome like “h:commandButton” above. But, if browser’s with JavaScript disabled, the navigation will failed, because the “h:button” tag is generate an “onclick” event to handle the navigation via “window.location.href”. See examples :

1. Normal button without outcome

P.S if the outcome attribute is omitted, the current page URL will treat as the outcome.

2. Normal button with an outcome

3. Normal button with JavaScript.

My thought…
No really sure why JSF 2.0 released this “h:button” tag, the JavaScript redirection is not practical, especially in JavaScript disabled browser. The best is integrate the “outcome” attribute into the “h:commandButton” tag, hope it can be done in future release.

Download Source Code

Download It – JSF-2-Button-CommandButton-Example.zip (10KB)

How To Use Input Type File In Jsf Tutorial

Reference

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How To Use Input Type File In Jsf Tutorial 2017

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