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Pro.JSF.and.Ajax_Building.Rich.Internet.Components_Jonas.Jacobi_John.R.Fallows.Apress_2006
5807fm.qxd 1/20/06 4:11 PM Page i Pro JSF and Ajax Building Rich Internet Components Jonas Jacobi and John R Fallows 5807fm.qxd 1/20/06 4:11 PM Page ii Pro JSF and Ajax: Building Rich Internet Components Copyright © 2006 by Jonas Jacobi and John R Fallows All rights reserved No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher ISBN-13: 978-1-59059-580-0 ISBN-10: 1-59059-580-7 Printed and bound in the United States of America Trademarked names may appear in this book Rather than use a trademark symbol with every occurrence of a trademarked name, we use the names only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark Lead Editor: Tony Davis Technical Reviewers: Peter Lubbers, Kito D Mann, Matthias Wessendorf Editorial Board: Steve Anglin, Dan Appleman, Ewan Buckingham, Gary Cornell, Jason Gilmore, Jonathan Hassell, James Huddleston, Chris Mills, Matthew Moodie, Dominic Shakeshaft, Jim Sumser, Matt Wade Project Managers: Beckie Stones, Elizabeth Seymour Copy Edit Manager: Nicole LeClerc Copy Editor: Kim Wimpsett Assistant Production Director: Kari Brooks-Copony Production Editor: Laura Cheu Compositor: Molly Sharp, ContentWorks Proofreader: Elizabeth Berry Indexer: Carol Burbo Artist: Kinetic Publishing Services, LLC Cover Designer: Kurt Krames Manufacturing Director: Tom Debolski Distributed to the book trade worldwide by Springer-Verlag New York, Inc., 233 Spring Street, 6th Floor, New York, NY 10013 Phone 1-800-SPRINGER, fax 201-348-4505, e-mail orders-ny@springer-sbm.com, or visit http://www.springeronline.com For information on translations, please contact Apress directly at 2560 Ninth Street, Suite 219, Berkeley, CA 94710 Phone 510-549-5930, fax 510-549-5939, e-mail info@apress.com, or visit http://www.apress.com The information in this book is distributed on an “as is” basis, without warranty Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work 5807fm.qxd 1/20/06 4:11 PM Page iii To the love of my life, Marianne, and our princesses, Emma and Isabelle, for keeping my spirit up —Jonas Jacobi To my wife, Nan, for her love, support, and patience, and our son, Jack, for his natural inspiration —John R Fallows 5807fm.qxd 1/20/06 4:11 PM Page iv 5807fm.qxd 1/20/06 4:11 PM Page v Contents at a Glance Foreword xiii About the Authors xv About the Technical Reviewers xvii Acknowledgments xix Introduction xxi PART ■■■ ■CHAPTER ■CHAPTER ■CHAPTER PART ■CHAPTER ■CHAPTER ■CHAPTER ■CHAPTER ■CHAPTER ■CHAPTER ■CHAPTER The Foundation of JSF: Components Defining the Date Field Component 49 Defining the Deck Component 105 ■■■ 10 Developing Smarter with JavaServerTM Faces Designing Rich Internet Components Using Rich Internet Technologies 173 Loading Resources with Weblets 213 Ajax Enabling the Deck Component 223 Ajax Enabling the Date Field Component 267 Providing Mozilla XUL Renderers 303 Providing Microsoft HTC Renderers 361 Switching RenderKits Dynamically 403 ■INDEX 413 v 5807fm.qxd 1/20/06 4:11 PM Page vi 5807fm.qxd 1/20/06 4:11 PM Page vii Contents Foreword xiii About the Author xv About the Technical Reviewer xvii Acknowledgments xix Introduction xxi PART ■■■ ■CHAPTER Developing Smarter with JavaServerTM Faces The Foundation of JSF: Components Overview of Application Development Technologies One-Tier Two-Tier: Client-Server Multitier: Web Applications Exploring Application Development Today Frameworks Tapestry, Struts, Tiles, TopLink, Hibernate, ADF UIX… Introducing JSF Application Development with JSF JSF Architecture 10 A Component-Based UI Framework 13 UIComponent 15 Converters, Validators, Events, and Listeners 22 Facets 23 Renderers 24 Renderer Types 25 RenderKits 26 Custom Action Tag Handlers 27 Request-Processing Lifecycle 27 Summary 47 vii 5807fm.qxd viii 1/20/06 4:11 PM Page viii ■CONTENTS ■CHAPTER Defining the Date Field Component 49 Requirements for the Date Field Component 49 The Input Date Component 51 Designing the Input Date Component Using a Blueprint 52 Step 1: Creating a UI Prototype 53 Step 2: Creating a Client-Specific Renderer 55 Step 3: Creating a Renderer-Specific Subclass 77 Step 4: Registering UIComponent and Renderer 82 Step 5: Creating a JSP Tag Handler and TLD 86 Building an Application with the Input Date Component 103 Summary 104 ■CHAPTER Defining the Deck Component 105 Requirements for the Deck Component 106 The Deck Component 106 Designing the Deck Component Using a Blueprint 107 Step 1: Creating a UI Prototype 108 Step 2: Creating Events and Listeners 113 Step 3: Creating a Behavioral Superclass 127 Step 4: Creating a Client-Specific Renderer 136 Step 5: Creating a Renderer-Specific Subclass 148 Step 6: Registering a UIComponent and Renderer 150 Step 7: Creating a JSP Tag Handler and TLD 155 Summary 169 PART ■■■ ■CHAPTER Designing Rich Internet Components Using Rich Internet Technologies 173 Introducing Ajax 174 The XMLHttpRequest Object 175 Traditional Web Application Development 177 Ajax Web Application Development 179 Building Ajax Applications 181 Ajax Summary 187 Introducing Mozilla XUL 187 Building XUL Applications 188 Creating Custom XUL Components Using XBL 192 XUL Summary 199 5807fm.qxd 1/20/06 4:11 PM Page ix ■CONTENTS Introducing Microsoft Dynamic HTML and HTC 199 HTC Structure 199 Building DHTML Applications 202 HTC Summary 205 Comparing XBL and HTC 206 Defining a Component 206 Adding Content 206 Event Handling 206 Attaching Components 207 JSF—The Greatest Thing Since Sliced Bread! 207 Cross-Platform Support 208 Imagination As the Only Limit 209 A JSF Application Supporting Ajax, XUL, and HTC 209 Summary 211 ■CHAPTER Loading Resources with Weblets 213 Introducing Resource Loading 213 Using Existing Solutions 214 Using Weblets 215 Exploring the Weblet Architecture 215 Using Weblets in Your Component Library 216 Using Weblets in a JSF Application 221 Summary 222 ■CHAPTER Ajax Enabling the Deck Component 223 Requirements for the Deck Component’s Ajax Implementation 223 The Ajax-Enabled Deck Component 224 Designing the Ajax-Enabled Deck Component Using a Blueprint 226 Step 1: Creating a UI Prototype 227 Step 4: Creating a Client-Specific Renderer 230 Step 6: Registering a UIComponent and Renderer 238 Step 8: Creating a RenderKit and ResponseWriter 238 Step 9: Extending the JSF Implementation 249 Step 10: Registering the RenderKit and JSF Extension 262 Step 11: Registering Resources with Weblets 263 Summary 265 ix