JSF outputFormat Tag
This section illustrates you about
the JSF outputFormat tag. This tag is used for showing output
with the parameterized text that facility allows you to customize the
appearance of the text using CSS styles also. This tag value has been
parameterized by using the JSF Core param tag what you can
learn after some sections, under the outputFormat tag.
Here, an example is also provided
for the best illustration about the JSF outputFormat tag. You will seen
in the following example that value of the tag is "Hello, {0} !".
Following program will show the output like "Hello, chandan !" because
"Hello, " already mentioned as the value of the param tag
that has been calling in the outputFormat tag by passing parameter like
"{0}".
You can show the output text from
other resources by mentioning the backing bean value in param
tag.
Code Description:
<%@ page contentType="text/html" %>
<%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %>
<%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>
<f:view>
<html>
<head><title>jsf h:outputFormat example</title></head>
<body>
<h:outputFormat value="Hello, {0} !">
<f:param value="chandan"/>
</h:outputFormat>
</body>
</html>
</f:view> |
Rendered Output:
This is the image of the rendered output for the
above mentioned JSF program when it is run on the browser.
HTML Source Code:
Browser generates html code for your JSF proram
like:
<html>
<head><title>jsf h:outputFormat example</title></head>
<body>
Hello, chandan !
</body>
</html>
|
All attributes of this tag are explained as follows:
- converter: This attribute sets a converter instance to be
registered for the component. This instance must match the
converter-id value of a converter element that is defined in the
faces-config.xml file.
- escape: This attribute sets a boolean
flag value that determines if sensitive HTML and XML characters should
be escaped in the output generated by the component. It's default
value is "true".
- id: This attribute sets the
identification of the component uniquely. The value of the attribute
must be unique in the closest.
- rendered: This attribute take a boolean flag value that
indicates the component whether or not should be rendered in the view.
- style: If you want ot add any CSS with the
component then you can put the style as the value of the attribute. Added CSS
will be applied on for the component.
- styleClass: This attribute holds the CSS
class name which is defined in the external style sheet.
- title: This attribute holds a string value
that is shown as a tool-tip text of a component or element.
- value: This attribute sets the
current value for the component.
|
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