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Core Servlets and JavaServer Pages (JSP)

by: Hall, Marty

Core Servlets and JavaServer Pages (JSP)

by: Hall, Marty

ISBN 13:
9780130893406
ISBN 10:
0130893404
Edition: 1st
Format: Paperback
Copyright: 05/01/2000
Publisher: Prentice Hall Ptr
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Summary

This book is a comprehensive guide for every experienced developer wanting to master the new versions of these powerful tools. "Core Servlets and JavaServer Pages" provides everything users need to leverage the latest J2EE servlet 2.2 and JSP 1.1 standards: real-world insight, advanced techniques, industrial-strength code, and hands-on coverage of three top servlet/JSP engines, including Apache Tomcat.

Acknowledgments

xix

About the Author

Introduction

xxi

Real Code for Real Programmers

xxii

How This Book Is Organized

xxiii

Conventions

xxvii

About the Web Site

xxvii

PART 1 Servlets 2.1 and 2.2

(226)

Overview of Servlets and JavaServer Pages

(16)

Servlets

(2)

The Advantages of Servlets Over ``Traditional'' CGI

(2)

Efficient

(1)

Convenient

(1)

Powerful

(1)

Portable

(1)

Secure

(1)

Inexpensive

(1)

JavaServer Pages

(1)

The Advantages of JSP

(2)

Versus Active Server Pages (ASP)

(1)

Versus PHP

(1)

Versus Pure Servlets

(1)

Versus Server-Side Includes (SSI)

(1)

Versus JavaScript

(1)

Versus Static HTML

(1)

Installation and Setup

(8)

Obtain Servlet and JSP Software

(2)

Bookmark or Install the Servlet and JSP API Documentation

(1)

Identify the Classes to the Java Compiler

(1)

Package the Classes

(1)

Configure the Server

(1)

Start the Server

(1)

Compile and Install Your Servlets

(2)

First Servlets

(44)

Basic Servlet Structure

(2)

A Simple Servlet Generating Plain Text

(3)

Compiling and Installing the Servlet

(1)

Invoking the Servlet

(1)

A Servlet That Generates HTML

(1)

Packaging Servlets

(4)

Creating Servlets in Packages

(1)

Compiling Servlets in Packages

(1)

Invoking Servlets in Packages

(1)

Simple HTML-Building Utilities

(3)

The Servlet Life Cycle

(5)

The init Method

(2)

The service Method

(1)

The doGet, doPost, and doXxx Methods

(1)

The Single ThreadModel Interface

(1)

The destroy Method

(1)

An Example Using Initialization Parameters

(5)

An Example Using Servlet Initialization and Page Modification Dates

(6)

Debugging Servlets

(2)

WebClient: Talking to Web Servers Interactively

(12)

WebClient

(3)

HttpClient

(2)

NetworkClient

(2)

SocketUtil

(1)

CloseableFrame

(1)

LabeledTextField

(2)

Interruptible

(1)

Handling the Client Request: Form Data

(28)

The Role of Form Data

(1)

Reading Form Data from Servlets

(1)

Example: Reading Three Explicit Parameters

(3)

Example: Reading All Parameters

(4)

A Resume Posting Service

(13)

Filtering Strings for HTML-Specific Characters

(5)

Code for Filtering

(1)

Example

(3)

Handling the Client Request: HTTP Request Headers

(22)

Reading Request Headers from Servlets

(2)

Printing All Headers

(2)

HTTP 1.1 Request Headers

(6)

Sending Compressed Web Pages

104

(3)

Restricting Access to Web Pages

107

(7)

Accessing the Standard CGI Variables

114

(8)

Servlet Equivalent of CGI Variables

116

(3)

A Servlet That Shows the CGI Variables

119

(3)

Generating the Server Response: HTTP Status Codes

122

(20)

Specifying Status Codes

124

(2)

HTTP 1.1 Status Codes and Their Purpose

126

(9)

A Front End to Various Search Engines

135

(7)

Generating the Server Response: HTTP Response Headers

142

(36)

Setting Response Headers from Servlets

143

(2)

HTTP 1.1 Response Headers and Their Meaning

145

(9)

Persistent Servlet State and Auto-Reloading Pages

154

(9)

Using Persistent HTTP Connections

163

(5)

Using Servlets to Generate GIF Images

168

(10)

Handling Cookies

178

(20)

Benefits of Cookies

179

(2)

Identifying a User During an E-commerce Session

180

(1)

Avoiding Username and Password

180

(1)

Customizing a Site

180

(1)

Focusing Advertising

181

(1)

Some Problems with Cookies

181

(2)

The Servlet Cookie API

183

(3)

Creating Cookies

183

(1)

Cookie Attributes

183

(3)

Placing Cookies in the Response Headers

186

(1)

Reading Cookies from the Client

186

(1)

Examples of Setting and Reading Cookies

186

(4)

Basic Cookie Utilities

190

(1)

Finding Cookies with Specified Names

190

(1)

Creating Long-Lived Cookies

191

(1)

A Customized Search Engine Interface

191

(7)

Session Tracking

198

(30)

The Need for Session Tracking

199

(2)

200

(1)

URL-Rewriting

200

(1)

Hidden Form Fields

201

(1)

Session Tracking in Servlets

201

(1)

The Session Tracking API

201

(6)

Looking Up the HttpSession Object Associated with the Current Request

202

(1)

Looking Up Information Associated with a Session

202

(3)

Associating Information with a Session

205

(1)

Terminating Sessions

206

(1)

Encoding URLs Sent to the Client

206

(1)

A Servlet Showing Per-Client Access Counts

207

(2)

An On-Line Store Using a Shopping Cart and Session Tracking

209

(19)

Building the Front End

210

(5)

Handling the Orders

215

(5)

Behind the Scenes: Implementing the Shopping Cart and Catalog Items

220

(8)

PART 2 JavaServer Pages

228

(154)

JSP Scripting Elements

230

(16)

Scripting Elements

233

(1)

Template Text

234

(1)

JSP Expressions

234

(4)

Predefined Variables

234

(1)

XML Syntax for Expressions

235

(1)

Using Expressions as Attribute Values

235

(1)

Example

236

(2)

JSP Scriptlets

238

(4)

Using Scriplets to Make Parts of the JSP File Conditional

241

(1)

Special Scriplet Syntax

242

(1)

JSP Declarations

242

(2)

Special Declaration Syntax

244

(1)

Predefined Variables

244

(2)

The JSP page Directive: Structuring Generated Servlets

246

(20)

The import Attribute

248

(3)

Directories for Custom Classes

248

(1)

Example

249

(2)

The content Type Attribute

251

(7)

Generating Plain Text Documents

252

(2)

Generating Excel Spreadsheets

254

(4)

The is ThreadSafe Attribute

258

(1)

The session Attribute

259

(1)

The buffer Attribute

259

(1)

The autoflush Attribute

260

(1)

The extends Attribute

260

(1)

The info Attribute

260

(1)

The errorPage Attribute

261

(1)

The isErrorPage Attribute

261

(3)

The language Attribute

264

(1)

XML Syntax for Directives

265

(1)

Including Files and Applets in JSP Documents

266

(20)

Including Files at Page Translation Time

268

(2)

Including Files at Request Time

270

(4)

Including Applets for the Java Plug-In

274

(12)

The jsp:plugin Element

275

(2)

The jsp:param and jsp:params Elements

277

(1)

The jsp:fallback Element

278

(1)

Example: Building Shadowed Text

279

(7)

Using JavaBeans with JSP

286

(22)

Basic Bean Use

288

(4)

Accessing Bean Properties

290

(1)

Setting Bean Properties: Simple Case

290

(1)

Installing Bean Classes

291

(1)

Example: StringBean

292

(2)

Setting Bean Properties

294

(8)

Associating Individual Properties with Input Parameters

298

(2)

Automatic Type Conversions

300

(1)

Associating All Properties with Input Parameters

301

(1)

Sharing Beans

302

(6)

Conditional Bean Creation

304

(4)

Creating Custom JSP Tag Libraries

308

(44)

The Components That Make Up a Tag Library

310

(4)

The Tag Handler Class

310

(1)

The Tag Library Descriptor File

311

(2)

The JSP File

313

(1)

Defining a Basic Tag

314

(5)

The Tag Handler Class

315

(1)

The Tag Library Descriptor File

316

(2)

The JSP File

318

(1)

Assigning Attributes to Tags

319

(4)

The Tag Handler Class

319

(2)

The Tag Library Descriptor File

321

(1)

The JSP File

322

(1)

Including the Tag Body

323

(6)

The Tag Handler Class

324

(2)

The Tag Library Descriptor File

326

(2)

The JSP File

328

(1)

Optionally Including the Tag Body

329

(5)

The Tag Handler Class

329

(2)

The Tag Library Descriptor File

331

(1)

The JSP File

332

(2)

Manipulating the Tag Body

334

(4)

The Tag Handler Class

334

(1)

The Tag Library Descriptor File

335

(1)

The JSP File

336

(2)

Including or Manipulating the Tag Body Multiple Times

338

(3)

The Tag Handler Class

338

(2)

The Tag Library Descriptor File

340

(1)

The JSP File

341

(1)

Using Nested Tags

341

(11)

The Tag Handler Classes

342

(6)

The Tag Library Descriptor File

348

(2)

The JSP File

350

(2)

Integrating Servlets and JSP

352

(30)

Forwarding Requests

354

(4)

Using Static Resources

354

(1)

Supplying Information to the Destination Pages

355

(2)

Interpreting Relative URLs in the Destination Page

357

(1)

Alternative Means of Getting a RequestDispatcher

358

(1)

Example: An On-Line Travel Agent

358

(17)

Including Static or Dynamic Content

375

(2)

Example: Showing Raw Servlet and JSP Output

377

(3)

Forwarding Requests From JSP Pages

380

(2)

PART 3 Supporting Technologies

382

(136)

Using HTML Forms

384

(48)

How HTML Forms Transmit Data

385

(5)

The FORM Element

390

(5)

Text Controls

395

(5)

Textfields

395

(2)

Password Fields

397

(1)

Text Areas

398

(2)

Push Buttons

400

(5)

Submit Buttons

401

(3)

Reset Buttons

404

(1)

JavaScript Buttons

405

(1)

Check Boxes and Radio Buttons

405

(4)

Check Boxes

406

(1)

Radio Buttons

407

(2)

Combo Boxes and List Boxes

409

(3)

File Upload Controls

412

(2)

Server-Side Image Maps

414

(5)

IMAGE---Standard Server-Side Image Maps

414

(3)

ISMAP---Alternative Server-Side Image Maps

417

(2)

Hidden Fields

419

(1)

Grouping Controls

420

(2)

Controlling Tab Order

422

(1)

A Debugging Web Server

423

(9)

EchoServer

423

(4)

ThreadedEchoServer

427

(1)

NetworkServer

428

(4)

Using Applets As Servlet Front Ends

432

(28)

Sending Data with GET and Displaying the Resultant Page

434

(1)

Multisystem Search Engine Front End

435

(3)

Sending Data with GET and Processing the Results Directly (HTTP Tunneling)

438

(5)

Reading Binary or ASCII Data

439

(2)

Reading Serialized Data Structures

441

(2)

A Query Viewer That Uses Object Serialization and HTTP Tunneling

443

(7)

Sending Data by POST and Processing the Results Directly (HTTP Tunneling)

450

(3)

An Applet That Sends POST Data

453

(6)

Bypassing the HTTP Server

459

(1)

JDBC and Database Connection Pooling

460

(58)

Basic Steps in Using JDBC

462

(5)

Load the Driver

462

(1)

Define the Connection URL

463

(1)

Establish the Connection

464

(1)

Create a Statement

465

(1)

Execute a Query

465

(1)

Process the Results

465

(1)

Close the Connection

466

(1)

Basic JDBC Example

467

(6)

Some JDBC Utilities

473

(9)

Applying the Database Utilities

482

(5)

An Interactive Query Viewer

487

(10)

Query Viewer Code

489

(8)

Prepared Statements (Precompiled Queries)

497

(4)

Connection Pooling

501

(7)

Connection Pooling: A Case Study

508

(7)

Sharing Connection Pools

515

(3)

Using the Servlet Context to Share Connection Pools

515

(1)

Using Singleton Classes to Share Connection Pools

516

(2)

APPENDIX Servlet and JSP Quick Reference

518

(39)

A.1 Overview of Servlets and JavaServer Pages

519

(2)

Advantages of Servlets

519

(1)

Advantages of JSP

519

(1)

Free Servlet and JSP Software

519

(1)

Documentation

520

(1)

Servlet Compilation: CLASSPATH Entries

520

(1)

Tomcat 3.0 Standard Directories

520

(1)

Tomcat 3.1 Standard Directories

520

(1)

JSWDK 1.0.1 Standard Directories

520

(1)

Java Web Server 2.0 Standard Directories

521

(1)

A.2 First Servlets

521

(2)

Simple Servlet

521

(1)

Installing Servlets

521

(1)

Invoking Servlets

521

(1)

Servlet Life Cycle

522

(1)

A.3 Handling the Client Request: Form Data

523

(1)

Reading Parameters

523

(1)

Example Servlet

523

(1)

Example Form

524

(1)

Filtering HTML-Specific Characters

524

(1)

A.4 Handling the Client Request: HTTP Request Headers

524

(2)

Methods That Read Request Headers

524

(1)

Other Request Information

525

(1)

Common HTTP 1.1 Request Headers

525

(1)

A.5 Accessing the Standard CGI Variables

526

(1)

Capabilities Not Discussed Elsewhere

526

(1)

Servlet Equivalent of CGI Variables

526

(1)

A.6 Generating the Server Response: HTTP Status Codes

527

(1)

Format of an HTTP Response

527

(1)

Methods That Set Status Codes

527

(1)

Status Code Categories

527

(1)

Common HTTP 1.1 Status Codes

527

(1)

A.7 Generating the Server Response: HTTP Response Headers

528

(2)

Setting Arbitrary Headers

528

(1)

Setting Common Headers

528

(1)

Common HTTP 1.1 Response Headers

528

(1)

Generating GIF Images from Servlets

529

(1)

A.8 Handling Cookies

530

(1)

Typical Uses of Cookies

530

(1)

Problems with Cookies

530

(1)

General Usage

530

(1)

Cookie Methods

530

(1)

A.9 Session Tracking

531

(2)

Looking Up Session Information: getValue

531

(1)

Associating Information with a Session: putValue

531

(1)

HttpSession Methods

532

(1)

Encoding URLs

533

(1)

A.10 JSP Scripting Elements

533

(1)

Types of Scripting Elements

533

(1)

Template Text

533

(1)

Predefined Variables

533

(1)

A.11 The JSP page Directive: Structuring Generated Servlets

534

(3)

The import Attribute

534

(1)

The contentType Attribute

534

(1)

Example of Using contentType

534

(1)

Example of Using setContentType

535

(1)

The isThreadSafe Attribute

535

(1)

The session Attribute

536

(1)

The buffer Attribute

536

(1)

The autoflush Attribute

536

(1)

The extends Attribute

536

(1)

The info Attribute

536

(1)

The errorPage Attribute

536

(1)

The isErrorPage Attribute

536

(1)

The language Attribute

536

(1)

XML Syntax

537

(1)

A.12 Including Files and Applets in JSP Documents

537

(2)

Including Files at Page Translation Time

537

(1)

Including Files at Request Time

537

(1)

Applets for the Java Plug-In: Simple Case

537

(1)

Attributes of jsp:plugin

537

(1)

Parameters in HTML: jsp:param

538

(1)

Alternative Text

538

(1)

A.13 Using JavaBeans with JSP

539

(1)

Basic Requirements for Class to be a Bean

539

(1)

Basic Bean Use

539

(1)

Associating Properties with Request Parameters

539

(1)

Sharing Beans: The scope Attribute of jsp:useBean

539

(1)

Conditional Bean Creation

540

(1)

A.14 Creating Custom JSP Tag Libraries

540

(2)

The Tag Handler Class

540

(1)

The Tag Library Descriptor File

541

(1)

The JSP File

541

(1)

Assigning Attributes to Tags

541

(1)

Including the Tag Body

541

(1)

Optionally Including the Tag Body

542

(1)

Manipulating the Tag Body

542

(1)

Including or Manipulating the Tag Body Multiple Times

542

(1)

Using Nested Tags

542

(1)

A.15 Integrating Servlets and JSP

542

(2)

Big Picture

542

(1)

Request Forwarding Syntax

543

(1)

Forwarding to Regular HTML Pages

543

(1)

Setting Up Globally Shared Beans

543

(1)

Setting Up Session Beans

543

(1)

Interpreting Relative URLs in the Destination Page

543

(1)

Getting a RequestDispatcher by Alternative Means (2.2 Only)

543

(1)

Including Static or Dynamic Content

544

(1)

Forwarding Requests from JSP Pages

544

(1)

A.16 Using HTML Forms

544

(3)

The FORM Element

544

(1)

Textfields

544

(1)

Password Fields

544

(1)

Text Areas

545

(1)

Submit Buttons

545

(1)

Alternative Push Buttons

545

(1)

Reset Buttons

545

(1)

Alternative Reset Buttons

545

(1)

JavaScript Buttons

546

(1)

Alternative JavaScript Buttons

546

(1)

Check Boxes

546

(1)

Radio Buttons

546

(1)

Combo Boxes

546

(1)

File Upload Controls

547

(1)

Server-Side Image Maps

547

(1)

Hidden Fields

547

(1)

Internet Explorer Features

547

(1)

A.17 Using Applets As Servlet Front Ends

547

(5)

Sending Data with GET and Displaying the Resultant Page

547

(1)

Sending Data with GET and Processing the Results Directly (HTTP Tunneling)

548

(1)

Sending Serialized Data: The Applet Code

549

(1)

Sending Serialized Data: The Servlet Code

549

(1)

Sending Data by POST and Processing the Results Directly (HTTP Tunneling)

550

(1)

Bypassing the HTTP Server

551

(1)

A.18 JDBC and Database Connection Pooling

552

(5)

Basic Steps in Using JDBC

552

(1)

Database Utilities

553

(1)

Prepared Statements (Precompiled Queries)

553

(1)

Steps in Implementing Connection Pooling

554

(3)

Index

557

Amazon no longer offers textbook rentals. We do!

Core Servlets and JavaServer Pages (JSP)

Core Servlets and JavaServer Pages (JSP)

9780130893406

0130893404

Summary

Table of Contents

Supplemental Materials

Write a Review

Amazon no longer offers textbook rentals. We do!

Core Servlets and JavaServer Pages (JSP)

Core Servlets and JavaServer Pages (JSP)

9780130893406

0130893404

Summary

Table of Contents

Supplemental Materials

Write a Review

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