JSF - h:graphicImage
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The h:graphicImage tag renders an HTML element of the type "img".
JSF Tag
<h:graphicImage value="http://www.tutorialspoint.com/images/jsf-mini-logo.png"/>
Rendered Output
<img src="http://www.tutorialspoint.com/images/jsf-mini-logo.png" />
Tag Attributes
| S.N. | Attribute & Description |
|---|---|
| 1 | id Identifier for a component |
| 2 | binding Reference to the component that can be used in a backing bean |
| 3 | rendered A boolean; false suppresses rendering |
| 4 | styleClass Cascading stylesheet (CSS) class name |
| 5 | value A component’s value, typically a value binding |
| 6 | alt Alternative text for nontextual elements such as images or applets |
| 7 | dir Direction for text. Valid values are ltr (left to right) and rtl (right to left). |
| 8 | lang Base language of an element’s attributes and text |
| 9 | style Inline style information |
| 10 | tabindex Numerical value specifying a tab index |
| 11 | target The name of a frame in which a document is opened |
| 12 | title A title, used for accessibility, that describes an element. Visual browsers typically create tooltips for the title’s value |
| 13 | usemap Usemap of an element |
| 14 | url Url of the image |
| 15 | width Width of an element |
| 16 | onblur Element loses focus |
| 17 | onchange Element’s value changes |
| 18 | onclick Mouse button is clicked over the element |
| 19 | ondblclick Mouse button is double-clicked over the element |
| 20 | onfocus Element receives focus |
| 21 | onkeydown Key is pressed |
| 22 | onkeypress Key is pressed and subsequently released |
| 23 | onkeyup Key is released |
| 24 | onmousedown Mouse button is pressed over the element |
| 25 | onmousemove Mouse moves over the element |
| 26 | onmouseout Mouse leaves the element’s area |
| 27 | onmouseover Mouse moves onto an element |
| 28 | onmouseup Mouse button is released |
Example Application
Let us create a test JSF application to test the above tag.
| Step | Description |
|---|---|
| 1 | Create a project with a name helloworld under a package com.tutorialspoint.test as explained in the JSF - First Application chapter. |
| 2 | Modify home.xhtml as explained below. Keep rest of the files unchanged. |
| 3 | Compile and run the application to make sure business logic is working as per the requirements. |
| 4 | Finally, build the application in the form of war file and deploy it in Apache Tomcat Webserver. |
| 5 | Launch your web application using appropriate URL as explained below in the last step. |
home.xhtml
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>JSF Tutorial!</title>
</head>
<body>
<h2>h:graphicImage example</h2>
<hr />
<h:form>
<h3>Image</h3>
<h:graphicImage value="/images/jsf-mini-logo.png"/>
</h:form>
</body>
</html>
Once you are ready with all the changes done, let us compile and run the application as we did in JSF - First Application chapter. If everything is fine with your application, this will produce following result: