21天自学J2EE宝典：快速入门指南

需积分: 10 89 浏览量更新于2024-08-02 收藏 11.38MB PDF 举报

《Teach Yourself J2EE in 21 Days》是一本由Martin Bond、Dan Haywood、Debbie Law、Andy Longshaw和Peter Roxburgh合著的专业IT教程，针对Java 2 Enterprise Edition (J2EE)技术进行了深入浅出的讲解，旨在帮助读者在短短21天内掌握这一复杂的平台。本书是Sams Publishing出版的，享有版权保护，所有内容未经书面许可不得复制、存储或通过任何形式（如电子、机械、复印、录音等）进行传播。 J2EE，全称为Java 2 Platform, Enterprise Edition，是Sun Microsystems（后被Oracle收购）开发的一套用于企业级应用开发的标准，它集合了Java的核心技术，如Servlets、JSP、EJB（Enterprise JavaBeans）以及JMS（Java Message Service）、JTA（Java Transaction API）等，提供了一个统一的框架来构建分布式、可扩展的企业级应用程序。本书特别适合那些希望快速入门或提升J2EE技能的开发者，无论他们是否有编程基础，都可以通过本书系统地学习并实践。该书的特点在于其实践导向的教学方法，每个章节都配以实例和步骤，使读者能够在实际操作中理解和掌握J2EE的核心概念和技术。书中强调了版权和法律声明，提醒读者在使用信息时遵守相关规定，避免侵犯知识产权，并明确指出尽管作者和出版社已尽最大努力校对，但不承担因使用书中的信息导致的任何责任，也不对由此产生的损失负责。此外，本书还提供了国际标准书号(ISBN)0-672-32384-2，以及美国国会图书馆的图书分类卡号，表明其官方出版地位。第一版印刷日期为2002年4月，确保读者获取的是最新和最准确的信息。书中还提及了一些商标和服务标记，这表明作者在描述产品和技术时遵循了正确的知识产权使用规范。《Teach Yourself J2EE in 21 Days》是一本实用且权威的指南，对于想要快速掌握J2EE技术的读者来说，它提供了一个高效的学习路径和丰富的实战经验，是提升企业级开发能力的理想教材。

Processing Tag Bodies ........................................................................................637

JavaServer Pages Standard Tag Library (JSPTL) ..............................................640

Using the JSPTL with the J2EE RI ..............................................................641

Using the JSPTL

forEach Tag ....................................................................643

Other JSPTL Tags ........................................................................................645

JSPTL Scripting Language ............................................................................645

Other Jakarta Tag Libraries ..........................................................................646

Summary ............................................................................................................647

Q&A ....................................................................................................................647

Exercise ..............................................................................................................648

WEEK 3 Integrating J2EE into the Enterprise 651

DAY 15 Security 653

Security Overview ..............................................................................................654

Security Terminology ....................................................................................654

Common Security Technology ..........................................................................656

Symmetric Encryption ..................................................................................656

Asymmetric Encryption ................................................................................658

SSL and HTTPS ............................................................................................659

Checksums and Digests ................................................................................660

Digital Certificates ........................................................................................660

Security in J2EE ................................................................................................661

J2EE Security Terminology ..........................................................................661

Working with J2EE RI Security ....................................................................663

Security and EJBs ..............................................................................................666

Defining EJB Security ..................................................................................666

Defining Roles ..............................................................................................666

Defining the Security Identity ......................................................................668

Defining Method Permissions ......................................................................670

Mapping Principals to Roles ........................................................................674

Using Roles as the Security Identity ............................................................676

Security in Web Applications and Components ................................................682

Web Authentication ......................................................................................683

Configuring J2EE RI Basic Authentication ..................................................684

Declarative Web Authorization ....................................................................685

Programmatic Web Authorization ................................................................691

Adding Programmatic Web Security to the Case Study ..............................692

Using Secure Web Authentication Schemes ................................................694

Security and JNDI ............................................................................................695

Simple LDAP Authentication ........................................................................696

SASL Authentication ....................................................................................696

xvi Sams Teach Yourself J2EE in 21 Days

00 0672323842 FM 3/20/02 9:31 AM Page xvi

Contents xvii

Summary ............................................................................................................698

Q&A ....................................................................................................................699

Exercises ............................................................................................................699

AY 16 Integrating XML with J2EE 701

The Drive to Platform-Independent Data Exchange ..........................................702

Benefits and Characteristics of XML ............................................................703

Origins of XML ..................................................................................................703

Structure and Syntax of XML ............................................................................704

HTML and XML ..........................................................................................705

Structure of an XML Document ..................................................................705

Declarations ..................................................................................................706

Elements ........................................................................................................706

Well-Formed XML Documents ....................................................................708

Attributes ......................................................................................................708

Comments ......................................................................................................709

Creating Valid XML ..........................................................................................710

Document Type Definitions ..........................................................................710

Namespaces ..................................................................................................714

Enforcing Document Structure with an XML Schema ................................715

How XML Is Used in J2EE ..........................................................................718

Parsing XML ......................................................................................................718

The JAXP Packages ..........................................................................................720

Parsing XML using SAX ....................................................................................720

Document Object Model (DOM) Parser ..........................................................725

Modifying a DOM Tree ......................................................................................731

Java Architecture for XML Binding ..................................................................732

Differences Between JAXP and JAXB ........................................................733

Extending the Agency Case Study ....................................................................734

Step 1—Change Session Beans ....................................................................735

Step 2—Amend the

MessageSender Helper Class ........................................736

Step 3—Amend the

ApplicantMatch Message-Driven Bean ......................737

Summary ............................................................................................................739

Q&A ....................................................................................................................739

Exercises ............................................................................................................740

AY 17 Transforming XML Documents 741

Presenting XML to Clients ................................................................................742

Presenting XML to Browsers ........................................................................743

Extensible Stylesheet Language (XSL) ........................................................744

XSL-FO XSL Formatting Objects ................................................................744

00 0672323842 FM 3/20/02 9:31 AM Page xvii

Extensible Stylesheet Transformations (XSLT) ................................................745

Applying Stylesheets ....................................................................................746

Storing Transformed Documents on the Server ............................................746

Presenting XML Documents and Stylesheets to the Client ..........................747

Transforming the XML Document on the Server ........................................747

Using XALAN with J2EE ..................................................................................748

Transforming XML Documents with XALAN ............................................749

Using XALAN from the Command Line ....................................................750

Using XSLT in Java Applications ....................................................................751

XSLT Stylesheets ................................................................................................755

Template Rules ..............................................................................................756

Text Representation of XML Elements ......................................................761

Using XPath with XSLT ................................................................................762

Default Stylesheet Rules ..............................................................................764

Processing Attributes ....................................................................................765

Using Stylesheet Elements ................................................................................767

Processing Whitespace and Text ..................................................................767

Adding Comments ........................................................................................769

Attribute Values ............................................................................................770

Creating and Copying Elements ....................................................................771

Attributes and Attribute Sets ........................................................................774

Additional XSL Elements ............................................................................777

XSLT Compilers ................................................................................................780

Summary ............................................................................................................781

Q&A ....................................................................................................................782

Exercises ............................................................................................................782

AY 18 Patterns 787

J2EE Patterns ......................................................................................................788

What Are Patterns? ........................................................................................788

Why Use Patterns? ........................................................................................790

Types of Patterns ..........................................................................................790

J2EE Patterns ................................................................................................791

Pattern Catalogs ............................................................................................792

Applying J2EE-Specific Patterns ......................................................................792

Applying Patterns in a Context ....................................................................793

Generic Patterns ............................................................................................794

J2EE Presentation-Tier Patterns ....................................................................795

J2EE Business-Tier Patterns ..........................................................................795

J2EE Integration-Tier Patterns ......................................................................796

Patterns Within J2EE ....................................................................................797

xviii Sams Teach Yourself J2EE in 21 Days

00 0672323842 FM 3/20/02 9:31 AM Page xviii

Contents xix

Patterns in Context ..............................................................................................797

Analysing the Case Study ............................................................................797

Session Facades and Entity EJBs ..................................................................798

Data Exchange and Value Objects ................................................................800

Data Access Without Entity EJBs ................................................................804

Messages and Asynchronous Activation ......................................................811

Composing an Entity ....................................................................................812

Composing a JSP ..........................................................................................813

JSPs and Separation of Concerns ..................................................................817

Client-Side Proxies and Delegates ................................................................820

Locating Services ..........................................................................................821

Any Other Business ......................................................................................822

Refactoring the Case Study ..........................................................................822

Directions for J2EE Patterns ..............................................................................823

Summary ............................................................................................................824

Q & A ..................................................................................................................824

Exercises ............................................................................................................825

AY 19 Integrating with External Resources 827

Reviewing External Resources and Legacy Systems ........................................828

Introducing Connector Architecture ..................................................................829

Overview of the Architecture ........................................................................829

Roles and Responsibilities ............................................................................830

Using the Common Client Interface ..................................................................834

Interacting with an EIS ..................................................................................834

Installing a Resource Adapter ......................................................................835

Creating a First CCI Application ..................................................................836

Managing Transactions and Exploring Records ..........................................843

Introducing Other Connectivity Technologies ....................................................848

Introducing CORBA ..........................................................................................849

Introducing Java IDL ..........................................................................................851

Using RMI over IIOP ........................................................................................851

RMI over JRMP Example ............................................................................852

RMI over IIOP Example ..............................................................................857

Introducing JNI ..................................................................................................860

Evaluation of Integration Technologies ..............................................................865

Summary ............................................................................................................865

Q&A ....................................................................................................................866

Exercises ............................................................................................................867

AY 20 Using RPC-Style Web Services with J2EE 869

Web Service Overview ......................................................................................870

What Is a Web Service? ................................................................................870

Why Use Web Services? ..............................................................................872

00 0672323842 FM 3/20/02 9:31 AM Page xix

Web Service Technologies and Protocols ....................................................873

Web Service Architecture ..............................................................................873

Web Services for J2EE ......................................................................................875

J2EE Web Service Architecture ....................................................................875

Tools and Technologies ................................................................................876

Integrating Web Services with Existing J2EE Components ........................878

Using an RPC-style SOAP-Based Web Service ................................................879

RPC-Oriented Web Services ........................................................................880

Setting up Axis under Tomcat 4.0 ................................................................881

Service Description Information ..................................................................883

Anatomy of a WSDL Document ..................................................................883

Creating a Java Proxy from WSDL ..............................................................885

Calling the Web Service Through SOAP ......................................................889

A Half-Way House ........................................................................................891

Debugging a SOAP Interaction ....................................................................892

Implementing an RPC-Style SOAP-Based Web Service ..................................894

Wrapping up a Java class as a Web Service ..................................................894

A Client for Your Web Service ......................................................................898

Starting from WSDL ....................................................................................900

Using Axis JWS files ....................................................................................903

Session Context and Web Services ..............................................................905

Wrapping Existing J2EE Functionality as Web Services ............................909

Parameter Types and Type Mapping ..................................................................911

Mapping Between Java and SOAP/WSDL Types ........................................911

Mapping Complex Types with Serializers ....................................................912

Going Further with Complex Type Mapping ................................................919

Summary ............................................................................................................919

Q&A ....................................................................................................................920

Exercises ............................................................................................................921

AY 21 Web Service Registries and Message-Style Web Services 923

Registries for Web Services ................................................................................924

What is a Web Service Registry? ..................................................................924

Why Do I Need One? ....................................................................................924

How Do They Work? ....................................................................................925

Types of Registry ..........................................................................................925

ebXML Registry and Repository ..................................................................926

UDDI Overview ............................................................................................928

Accessing Information in a UDDI Registry ......................................................929

Manipulating Service Information using UDDI4J ........................................929

Manipulating Service Information Using the IBM WSTK Client API ........932

Retrieving and Using Service Information ..................................................933

xx Sams Teach Yourself J2EE in 21 Days

00 0672323842 FM 3/20/02 9:31 AM Page xx

剩余1127页未读，继续阅读

liebherr

粉丝: 0
资源: 2

21天自学J2EE宝典：快速入门指南

Teach Yourself J2EE in 21 Days (Sams).pdf

Teach Yourself C++ in 21 Days

21天掌握J2EE：Sams Teach Yourself J2EE in 21 Days 教程与代码

21天学通J2EE和一些J2EE书及代码].java.-.Teach.Yourself.J2EE.in.21.Days.-.Sams.(eBook-pdf)

Teach_Yourself_Wireless_Java_With_J2ME_in_21_Days_TEACH

21天学java part4

深入学习J2EE：21天自学指南

21天掌握J2EE核心技术：Java教程

Sams出版社21天轻松掌握J2EE核心技术

(源码)基于QT框架的云存储系统.zip

最新资源