About the Authors. Who Should Read This Book. How This Book Is Organized

Transcription

1 Acknowledgments p. XXIII About the Authors p. xxiv Introduction p. XXV Who Should Read This Book p. xxvii Volume 2 p. xxvii Distinctive Features p. xxviii How This Book Is Organized p. xxx Conventions p. xxxi About the Web Site p. xxxii An Overview of Servlet and JSP Technology p. 2 A Servlet's Job p. 3 Why Build Web Pages Dynamically? p. 5 A Quick Peek at Servlet Code p. 6 The Advantages of Servlets Over "Traditional" CGI p. 7 The Role of JSP p. 11 Servlet Technology p. 14 Server Setup and Configuration p. 16 Download and Install the Java Software Development Kit (SDK) p. 18 Download a Server for Your Desktop p. 19 Configure the Server p. 22 Configuring Apache Tomcat p. 23 Configuring Macromedia JRun p. 28 Configuring Caucho Resin p. 34 Set Up Your Development Environment p. 35 Test Your Setup p. 39 Establish a Simplified Deployment Method p. 49 Deployment Directories for Default Web Application: Summary p. 52 Web Applications: A Preview p. 55 Servlet Basics p. 64 Basic Servlet Structure p. 66 A Servlet That Generates Plain Text p. 68 A Servelt That Generates HTML p. 70 Servlet Packaging p. 72 Simple HTML-Building Utilities p. 74 The Servlet Life Cycle p. 77 The Single ThreadModel Interface p. 86 Servlet Debugging p. 90 Handling the Client Request: Form Data p. 94 The Role of Form Data p. 95 Reading Form Data from Servlets p. 97 Example: Reading Three Parameters p. 100

2 Example: Reading All Parameters p. 104 Using Default Values When Parameters Are Missing or Malformed p. 108 Filtering Strings for HTML-Specific Characters p. 120 Automatically Populating Java Objects from Request Parameters: Form Beans p. 127 Redisplaying the Input Form When Parameters Are Missing or Malformed p. 134 Handling the Client Request: HTTP Request Headers p. 146 Reading Request Headers p. 148 Making a Table of All Request Headers p. 150 Understanding HTTP 1.1 Request Headers p. 152 Sending Compressed Web Pages p. 156 Differentiating Among Different Browser Types p. 161 Changing the Page According to How the User Got There p. 163 Accessing the Standard CGI Variables p. 167 Generating the Server Response: HTTP Status Codes p. 174 Specifying Status Codes p. 176 HTTP 1.1 Status Codes p. 178 A Servlet That Redirects Users to Browser-Specific Pages p. 184 A Front End to Various Search Engines p. 186 Generating the Server Response: HTTP Response Headers p. 194 Setting Response Headers from Servlets p. 196 Understanding HTTP 1.1 Response Headers p. 197 Building Excel Spreadsheets p. 204 Persistent Servlet State and Auto-Reloading Pages p. 206 Using Servlets to Generate JPEG Images p. 217 Handling Cookies p. 228 Benefits of Cookies p. 229 Some Problems with Cookies p. 231 Deleting Cookies p. 234 Sending and Receiving Cookies p. 236 Using Cookies to Detect First-Time Visitors p. 239 Using Cookie Attributes p. 241 Differentiating Session Cookies from Persistent Cookies p. 244 Basic Cookie Utilities p. 248 Putting the Cookie Utilities into Practice p. 250 Modifying Cookie Values: Tracking User Access Counts p. 252 Using Cookies to Remember User Preferences p. 255 Session Tracking p. 262 The Need for Session Tracking p. 263 Session Tracking Basics p. 265 The Session-Tracking API p. 269 Browser Sessions vs. Server Sessions p. 271

3 Encoding URLs Sent to the Client p. 272 A Servlet That Shows Per-Client Access Counts p. 273 Accumulating a List of User Data p. 277 An On-Line Store with a Shopping Cart and Session Tracking p. 281 JSP Technology p. 300 Overview of JSP Technology p. 302 The Need for JSP p. 304 Benefits of JSP p. 305 Advantages of JSP Over Competing Technologies p. 306 Misconceptions About JSP p. 309 Installation of JSP Pages p. 312 Basic Syntax p. 314 Invoking Java Code with JSP Scripting Elements p. 318 Creating Template Text p. 319 Invoking Java Code from JSP p. 320 Limiting the Amount of Java Code in JSP Pages p. 321 Using JSP Expressions p. 325 Example: JSP Expressions p. 328 Comparing Servlets to JSP Pages p. 330 Writing Scriptlets p. 332 Scriptlet Example p. 334 Using Scriptlets to Make Parts of the JSP Page Conditional p. 336 Using Declarations p. 338 Declaration Example p. 340 Using Predefined Variables p. 342 Comparing JSP Expressions, Scriptlets, and Declarations p. 344 Controlling the Structure of Generated Servlets: The JSP Page Directive p. 352 The import Attribute p. 354 The contenttype and pageencoding Attributes p. 357 Conditionally Generating Excel Spreadsheets p. 359 The session Attribute p. 362 The iselignored Attribute p. 363 The buffer and autoflush Attributes p. 363 The info Attribute p. 364 The errorpage and iserrorpage Attributes p. 364 The is ThreadSafe Attribute p. 367 The extends Attribute p. 369 The language Attribute p. 369 XML Syntax for Directives p. 370 Including Files and Applets in JSP Pages p. 372 Including Pages at Request Time: The jsp:include Action p. 374

4 Including Files at Page Translation Time: The include Directive p. 380 Forwarding Requests with jsp:forward p. 386 Including Applets for the Java Plug-In p. 386 Using Javabeans Components in JSP Documents p. 398 Why Use Beans? p. 400 What Are Beans? p. 400 Using Beans: Basic Tasks p. 402 Example: StringBean p. 406 Setting Bean Properties: Advanced Techniques p. 409 Sharing Beans p. 417 Sharing Beans in Four Different Ways: An Example p. 421 Integrating Servlets and JSP: The Model View Controller (MVC) Architecture p. 434 Understanding the Need for MVC p. 435 Implementing MVC with RequestDispatcher p. 437 Summarizing MVC Code p. 443 Interpreting Relative URLs in the Destination Page p. 445 Applying MVC: Bank Account Balances p. 446 Comparing the Three Data-Sharing Approaches p. 453 Forwarding Requests from JSP Pages p. 462 Including Pages p. 463 Simplifying Access to Java Code: The JSP 2.0 Expression Language p. 464 Motivating EL Usage p. 465 Invoking the Expression Language p. 467 Preventing Expression Language Evaluation p. 468 Preventing Use of Standard Scripting Elements p. 471 Accessing Scoped Variables p. 472 Accessing Bean Properties p. 475 Accessing Collections p. 481 Referencing Implicit Objects p. 483 Using Expression Language Operators p. 487 Evaluating Expressions Conditionally p. 491 Previewing Other Expression Language Capabilities p. 495 Supporting Technology p. 496 Accessing Databases with JDBC p. 498 Using JDBC in General p. 500 Basic JDBC Examples p. 509 Simplifying Database Access with JDBC Utilities p. 517 Using Prepared Statements p. 530 Creating Callable Statements p. 534 Using Database Transactions p. 541 Mapping Data to Objects by Using ORM Frameworks p. 546

5 Configuring MS Access, MySQL, and Oracle91 p. 554 Configuring Microsoft Access for Use with JDBC p. 556 Installing and Configuring MySQL p. 560 Installing and Configuring Oracle9i Database p. 563 Testing Your Database Through a JDBC Connection p. 590 Setting Up the music Table p. 599 Creating and Processing HTML Forms p. 606 How HTML Forms Transmit Data p. 608 The FORM Element p. 613 Text Controls p. 620 Push Buttons p. 625 Check Boxes and Radio Buttons p. 631 Combo Boxes and List Boxes p. 634 File Upload Controls p. 639 Server-Side Image Maps p. 641 Hidden Fields p. 646 Groups of Controls p. 647 Tab Order Control p. 649 A Debugging Web Server p. 650 Server Organization and Structure p. 658 Tomcat p. 659 Downloading the Software p. 659 Bookmarking the Servlet and JSP APIs p. 659 Configuring the Server p. 660 Setting Up Your Development Environment p. 660 Using the Default Web Application p. 661 Using Custom Web Applications p. 661 Viewing Autogenerated Code for JSP Pages p. 663 JRun p. 663 Downloading the Software p. 663 Bookmarking the Servlet and JSP APIs p. 663 Configuring the Server p. 664 Setting Up Your Development Environment p. 664 Using the Default Web Application p. 664 Using Custom Web Applications p. 665 Viewing Autogenerated Code for JSP Pages p. 666 Resin p. 667 Downloading the Software p. 66 Bookmarking the Servlet and JSP APIs p. 667 Configuring the Server p. 667 Setting Up Your Development Environment p. 668

6 Using the Default Web Application p. 668 Using Custom Web Applications p. 669 Viewing Autogenerated Code for JSP Pages p. 670 Index p. 671 Table of Contents provided by Blackwell's Book Services and R.R. Bowker. Used with permission.