Table of contents
1.
Introduction
2.
h:outputText
2.1.
JSF Tag Example 1
2.2.
JSF Tag Example 2
2.2.1.
JSF renders it as a span tag in HTML
3.
Attributes of h:outputText
4.
Example
4.1.
home.xhtml
4.1.1.
Output
5.
Frequently Asked Questions
5.1.
What is a JSF tag?
5.2.
What is a facet tag in JSF?
5.3.
What is the use of rendered attribute in the outputText tag?
5.4.
What are import statements in JSF?
6.
Conclusion
Last Updated: Mar 27, 2024
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JSF h:outputText

Author Sagar Mishra
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Introduction

One of the essential user interface components offered by JavaServer Faces (JSF 2) is an h:outputText component. It covers the majority of frequent requirements. The component known as outputText displays a value to the user that may have been obtained from a model tier bean via an expression. The user cannot directly modify the rendered value; it is just for display purposes.

In this article, we will understand a very vital concept in JSF for web development. While developing any web interface, you will probably need an outputText to access or display some information or set of data. Here we will introduce the implementations and attributes of the h:outputText tag in JSF that will allow you to achieve such a text.

h:outputText

JSF provides a lot of sophisticated APIs and tag libraries. Tag libraries make it easier to add components on web pages and relate them to backend objects. It has handles for applying component tags.

We use the h:outputText tag in JSF to render plain text. Render a "span" element if the following properties are present: styleClass, style, dir, or lang. If the "class" attribute is present, render its value as the value of the "styleClass" attribute.

JSF Tag Example 1

<h:outputText value="Hello Ninjas!"></h:outputText> 

 

Rendered Output

Hello Ninjas!

JSF Tag Example 2

<h:outputText value="Hello Ninjas!" lang="en" style="color: blue"></h:outputText>  

JSF renders it as a span tag in HTML

<span style="color: blue" lang="en">Hello Ninjas!</span>

Attributes of h:outputText

Each tag comes with multiple attributes. Listed below are the attributes of the JSF h:outputText tag.

Example

home.xhtml

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html lang="en" xmlns="http://www.w3.org/1999/xhtml"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:f="http://java.sun.com/jsf/core">
   <head>
      <title>JSF Example!</title>
   </head>
   
   <body>
      <h2>h:outputText example</h2>
      <br />
      
      <h:form>
         <h3>Text</h3>
         <h:outputText value="Hello Ninjas!"/>
      </h:form>
   </body>
</html>

 

Allow the system to compile and run the application after you are done with all the modifications. This will result in the following output if all goes according to plan with your application.

 

Output

Frequently Asked Questions

What is a JSF tag?

JSF provides a standard HTML tag library. These tags render into corresponding HTML output. For these tags, we need to use some namespaces of URI in the HTML node.

What is a facet tag in JSF?

A facet tag in a project is a specific unit of functionality you can add to a project when you require that functionality. When you add a project facet to a project, it can add nature, classpath entries, builders, and resources to that project, depending on the nature and characteristics.

What is the use of rendered attribute in the outputText tag?

The rendered attribute lets you know whether or not the component needs to be rendered. The use of rvalue expressions, which can only receive data and not write it back to the given source components, is restricted by rendered attributes. Arithmetic operators and literals that support rvalue can be used in expressions.

What are import statements in JSF?

Import statement fetches pre-written libraries, which help in the faster development of applications. These libraries are provided by organizations or language developers.

Conclusion

This article extensively discussed the topic of JSF h:outputText in detail. We started with an introduction and discussed the definition of outputText with some examples. Later, we also discussed the Attributes of h:outputText with example. 

We hope that this blog has helped you enhance your knowledge of the JSF h:outputText and was helpful for you in your journey towards mastering JSF. If you want to learn more, check out our other articles on the topics like JSF h:commandButtonJSF ArchitectureJSF f:validateLongRange, and many more on our platform Coding Ninjas Studio.

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