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  • Book Overview & Buying Mastering JavaServer Faces 2.2
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Mastering JavaServer Faces 2.2

Mastering JavaServer Faces 2.2

By : Anghel Leonard
4.3 (15)
Buy this Book
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Mastering JavaServer Faces 2.2

Mastering JavaServer Faces 2.2

4.3 (15)
By: Anghel Leonard
Buy this Book

Overview of this book

A homogenous guide integrating the features of JSF 2.x (2.0, 2.1 and 2.2), following a “learning through examples” paradigm with its main focus on the advanced concepts of JSF. If you are a web developer who uses JSF, this is the book for you. Catering to an intermediate-advanced audience, the book assumes you have fundamental knowledge of JSF. It is intended for the developer who wants to improve their skills with the combined power of JSF 2.0, 2.1, and 2.2.
Table of Contents (15 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Dynamic Access to JSF Application Data through Expression Language (EL 3.0)
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1. Dynamic Access to JSF Application Data through Expression Language (EL 3.0)
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EL syntax
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EL immediate and deferred evaluation
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EL value expressions
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EL method expressions
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The conditional text in JSF
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Writing a custom EL resolver
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EL 3.0 overview
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Summary
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2. Communication in JSF
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2. Communication in JSF
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Passing and getting parameters
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Managed bean communication
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Summary
3
3. JSF Scopes – Lifespan and Use in Managed Beans Communication
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3. JSF Scopes – Lifespan and Use in Managed Beans Communication
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JSF scopes versus CDI scopes
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The request scope
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The session scope
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The view scope
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The application scope
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The conversation scope
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The flow scope
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Dependent pseudo-scope
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The none scope
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The custom scope
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Managed bean instantiation
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Beans injection
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Summary
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4. JSF Configurations Using XML Files and Annotations – Part 1
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4. JSF Configurations Using XML Files and Annotations – Part 1
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JSF 2.2 new namespaces
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JSF 2.2 programmatic configuration
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Configuring managed beans in XML
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Working with multiple configuration files
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Configuring locales and resource bundles
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Configuring validators and converters
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Configuring navigation
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Configuring action listeners
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Configuring system event listeners
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Configuring phase listeners
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Working with @ListenerFor and @ListenersFor
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Summary
5
5. JSF Configurations Using XML Files and Annotations – Part 2
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5. JSF Configurations Using XML Files and Annotations – Part 2
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Configuring resource handlers
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Configuring the view handler
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Overriding JSF renders
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Working with client behavior functionality
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JSF factories
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Combined power of multiple factories
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Summary
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6. Working with Tabular Data
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6. Working with Tabular Data
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Creating a simple JSF table
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The CollectionDataModel class of JSF 2.2
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Sorting tables
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Deleting a table row
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Editing/updating a table row
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Adding a new row
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Displaying row numbers
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Selecting a single row
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Selecting multiple rows
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Nesting tables
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Paginating tables
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Generating tables with the JSF API
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Filtering tables
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Styling tables
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Summary
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7. JSF and AJAX
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7. JSF and AJAX
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A brief overview of the JSF-AJAX lifecycle
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A simple JSF-AJAX example to get started
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The JSF-AJAX attributes
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Grouping components under tag
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Updating input fields with AJAX after validation error
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Mixing AJAX and flow scope
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Postback and AJAX
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Is it a non-AJAX request?
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AJAX and
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Queue control for AJAX requests
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Explicit loading of jsf.js
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AJAX and the progress bar/indicator
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Summary
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8. JSF 2.2 – HTML5 and Upload
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8. JSF 2.2 – HTML5 and Upload
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Working with HTML5 and JSF 2.2
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JSF 2.2 upload feature
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Summary
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9. JSF State Management
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9. JSF State Management
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JSF saving the view state
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JSF 2.2 is stateless
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JSF security notes
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Summary
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10. JSF Custom Components
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10. JSF Custom Components
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Building noncomposite custom components
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Building composite components
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Summary
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11. JSF 2.2 Resource Library Contracts – Themes
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11. JSF 2.2 Resource Library Contracts – Themes
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Working with contracts
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Styling tables with contracts
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Styling UI components with contracts
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Styling contracts across different devices
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Writing contracts for composite components
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Writing a theme switcher
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Configuring contracts in XML
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Packaging contracts in JARs
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Summary
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12. Facelets Templating
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12. Facelets Templating
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A brief overview of the Facelets tags
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Creating a simple template – PageLayout
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Passing parameters via
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Passing bean properties and action methods via
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Exploiting the and tags
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Iterating with
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Working with and
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Working with and
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Debugging with
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Removing the content with
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Using the jsfc attribute
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Extending the PageLayout template
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Facelets' programmatic aspects
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Facelets pitfalls
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Summary
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A. The JSF Life Cycle
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A. The JSF Life Cycle
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Index
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Index

The application scope

The application scope lives as long as the web application lives.

An application scope extends the session scope with the shared state across all users' interactions with a web application; this scope lives as long as the web application lives. Since the beans in the application scope lives until the application shuts down (or they are programmatically removed), we can say that this scope lives most. More precisely, objects settled on the application scope can be accessed from any page that is part of the application (for example, JSF, JSP, and XHTML).

Note

The application scope should be used only for data that is safe to be shared. Since an application scoped bean is shared by all users, you need to be sure that the bean has an immutable state or you need to synchronize access.

Usually, application scope objects are used as counters, but they can be used for many other tasks, such as initializations and navigations. For example, the application scope can be used to count...

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