Professional Struts Applications: Building Web Sites with Struts, ObjectRelationalBridge, Lucene, and Velocity

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ISBN: 9781590592557 | 1590592557
Cover: Paperback
Copyright: 10/1/2003

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Building maintainable and extensible web applications requires significant design and planning before even a single line of code can be written. But when you leverage development frameworks, you can overcome the many challenges of web-based development. This book maps out the Jakarta Struts framework, to help you solve everyday web application development problems. This book concentrates on using Struts to develop the core architecture of a web application, and using other Jakarta projects to create a fully open source web application. Included are Object-RelationalBridge, Lucene, Velocity, and ANT.

Introduction

(6)

The Goal of This Book

(1)

Who Should Use This Book?

(1)

Technologies Used in this Book

(1)

Conventions

(1)

Customer Support

(4)

Errata

(1)

forums.apress.com

(3)

Chapter 1: The Challenges of Web Application Development

(28)

Challenges of Web Application Development

(4)

Enterprise Services

(1)

Application Services

(1)

An Introduction to Patterns and Antipatterns

(15)

Web Application Antipatterns

(1)

Concern Slush

(2)

Symptoms

(1)

Solution

(1)

Tier Leakage

(3)

Symptoms

(1)

Solution

(1)

Hardwired

(2)

Symptoms

(1)

Solution

(1)

Validation Confusion

(2)

Symptoms

(1)

Solution

(1)

Tight-Skins

(1)

Symptoms

(1)

Solution

(1)

Data Madness

(15)

Symptoms

(1)

Solution

(1)

Antipatterne, JOS Frameworks, and Economics

(3)

The JavaEdge Application

(1)

Summary

(4)

Chapter 2: Creating a Struts-based MVC Application

(44)

The JavaEdge Application Architecture

(1)

The Design

(2)

Using Struts to Implement the MVC Pattern

(16)

Walking Through Struts

(3)

Getting Started: The JavaEdge Source Tree

(13)

Configuring the ActionServlet

(5)

Configuring the homePageSetup Action Element

(2)

Building HomePageSetupAction.java

(5)

Constructing the Presentation Tier

(20)

Template Tags

(6)

The Screen Header: header.jsp

(1)

The Home Page Content: homePageContent.jsp

(1)

The Screen Footer: footer.jsp

(1)

Bean Tags

(7)

Bean Output

(4)

Bean Creation

(2)

Logic Tags

(11)

Iteration Tags

(1)

Conditional Tags

(4)

Movement Tags

(1)

Summary

(4)

Chapter 3: Form Presentation and Validation with Struts

(46)

Problems with Form Validation

(3)

Using Struts for Form Validation

(2)

Implementing Form Validation with Struts

(18)

The struts-config.xml File

(2)

Struts ActionForm Class

(3)

Using the reset() Method

(1)

Pre-populating an ActionForm with Data

(4)

PostStoryForm.java

(2)

PostStorySetupAction.java

(2)

Another Technique for Pre-population

(1)

Validating the Form Data

(4)

Creating an ActionError

(2)

Viewing the Errors

(3)

Writing All Error Messages to the JSP Page

(2)

Retrieving a Single Error Message

100

(1)

The Struts HTML Tag Library

101

(9)

Setting Up a Struts HTML Form

104

(3)

Using Text and TextArea Input Fields

107

(1)

Drop-down Lists, Checkboxes, and Radio Buttons

108

(2)

Drop-down List

108

(1)

CheckBoxes

109

(1)

Radio Buttons

110

(1)

Dynamic Forms and Validation

110

(11)

Dynamic Forms

111

(3)

The Validator Framework

114

(12)

Vilidator Framework Setup

114

(1)

Implementing the Required Field Validation

115

(3)

The maxlenght Validation Rule

118

(2)

Some Final Thoughts

120

(1)

Summary

121

(4)

Chapter 4: Managing Business Logic with Struts

125

(30)

Buiness-Logic Antipatterns and Struts

126

(7)

Concern Slush and Struts

127

(4)

Tier Leakage and Struts

131

(2)

Separating Business Logic from Struts

133

(2)

Implementing the Design Patterns

135

(18)

Implementing the Business Delagate Pattern

136

(4)

Handing Exceptions in the Business Delagate

137

(1)

Avoiding Dependencies

138

(2)

Implementing the Service

140

(7)

The Service Locator Pattern to the Rescue

146

(1)

EJBs and Struts

147

(11)

On "Fat" EJBs

147

(3)

The Session Facade Pattern

150

(1)

What about Non-EJB Applications?

151

(2)

Summary

153

(2)

Chapter 5: Building a Data Access Tier with ObjectRelationalBridge

155

(46)

Developing a Data Access Strategy

156

(2)

The JavaEdge Data Access Model

158

(9)

Data Access Object

160

(3)

The JavaEdge Data Access Objects

161

(2)

Value Objects

163

(5)

The JavaEdge Value Objects

164

(3)

Using an O/R Mapping Tool

167

(1)

About ObjectRelationalBridge (OJB)

168

(17)

The Core OJB Files

170

(1)

Setting up the Object/Relational Mappings

170

(15)

The JavaEdge repository.xml

170

(15)

OJB in Action

185

(10)

Retrieving Data: A Simple Example

189

(2)

Retrieving Data: A More Complicated Example

191

(2)

Storing Data Using OJB

193

(2)

Deleting Data with OJB

195

(1)

Bringing it All Together

195

(3)

Summary

198

(3)

Chapter 6: Templates and Velocity

201

(36)

Separating Presentation from Java Code

201

(2)

Velocity

203

(1)

How Velocity Works

203

(7)

Running the Velocity Examples

205

(1)

Velocity Context and Templates

206

(4)

Using VelocityContext Objects

206

(1)

Creating Velocity Templates

206

(1)

Using Template Objects

206

(1)

Using Methods on Objects in the Context

207

(1)

Using get(), set(), and is() Method Shortcuts for Properties

208

(2)

The Velocity Templating Language (VTL)

210

(10)

Variables and the #set Directive

210

(1)

Quiet Reference Notation

210

(1)

String Concatenation

211

(1)

Comments

212

(1)

Escaping Rules

212

(1)

Collections

213

(1)

Control Flow Directives

213

(1)

#if. ..#else...#elseif...#end

213

(2)

#foreach...#end

215

(1)

Velocity Macros

216

(1)

External Templates or Files

217

(1)

Arithmetic

218

(2)

Using the Velocity Engine from Java

220

(3)

Processing the Template

220

(2)

Resource Loaders

222

(1)

Using Velocity in a Web Application

223

(1)

JSP and Velocity

224

(1)

Creating the JavaEdge RSS Feed with Velocity

224

(10)

Installing Velocity and the Tag Library

227

(1)

Implementing the RSS Feed

227

(11)

Configure struts-config.xml

227

(1)

RSSSetupAction.java

228

(2)

rss.jsp

230

(2)

Output: News.rss

232

(2)

Summary

234

(3)

Chapter 7: Creating a Search Engine with Lucene

237

(32)

Search Requirements for the JavaEdge Application

237

(1)

Search Engine Fundamentals

238

(8)

Functionality Provided by Lucene

239

(1)

Lucene's Architecture

240

(1)

Index

241

(5)

Get content from the JavaEdge Application

241

(1)

Keeping the Search Index Fresh

242

(1)

Updating the Index

242

(1)

Analyzers

243

(1)

Stemming

244

(1)

Indexing HTML

245

(1)

Implementing the Index

246

(9)

Building the Scheduler

247

(2)

The IndexContent Class

249

(3)

The DocumentConversionTool Class

252

(3)

Querying the Index

255

(11)

JSP Pages

256

(3)

Configuring Struts for our Pages and Actions

259

(1)

Struts Forms and Actions

260

(3)

Utility Class for Lucene integration

263

(2)

SearchResults Class

265

(1)

Summary

266

(3)

Chapter 8: Building the JavaEdge Application with Ant and Anthill

269

(34)

The Goals of a Build Process

269

(3)

Build Artifacts

270

(1)

Version Control

271

(1)

Our Final Build System Goals

272

(1)

The Tools

272

(7)

Jakarta Ant

273

(4)

Project

273

(1)

Target

274

(1)

Task

274

(1)

Properties

274

(1)

Core Types

275

(2)

Anthill

277

(2)

Defining the Build Process for JavaEdge

279

(22)

The Project Directory Structure

279

(2)

The Ant Script

281

(13)

Main Targets

283

(2)

Compiling

285

(1)

Packaging for Deployment

286

(1)

Compiling Test Code

287

(1)

Preparing the Database

288

(1)

Running the Unit Tests

289

(1)

Generating Javadocs

290

(1)

XDoclet-Generated To-Do List

290

(1)

Publishing Project Documentation

291

(1)

Packaging for Distribution

291

(1)

Source Code Metrics

292

(1)

Converting Source Code to HTML

293

(1)

Cleaning up Temporary Files

294

(1)

Running the Build

294

(1)

Using Anthill for JavaEdge

294

(7)

Installing and Setting up Anthill

295

(2)

Setting up a New Project

297

(2)

Configuring the Repository Adapter

299

(1)

Team Development with Anthill

300

(1)

Summary

301

(2)

A Guide to the Index

301

(2)

Index

303

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Professional Struts Applications: Building Web Sites with Struts, ObjectRelationalBridge, Lucene, and Velocity

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Table of Contents

Supplemental Materials

FREE SHIPPING

Rent More, Save More! Use code: BBRENTAL

5% off 1 book, 7% off 2 books, 10% off 3+ books

Professional Struts Applications: Building Web Sites with Struts, ObjectRelationalBridge, Lucene, and Velocity

Summary

Table of Contents

Supplemental Materials

Digital License