Enterprise Java Programming with IBM WebSphere
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Enterprise Java Programming with IBM WebSphere, Second Edition is the
definitive guide tobuilding mission-critical enterprise systems with J2EE, WebSphere,
and WebSphere StudioApplication Developer. Fully updated for Versions 5.x of
WebSphere Application Server andWebSphere Studio Application Developer, it combines
expert architectural best practices with acase study that walks you through
constructing an entire system.
The authors are an extraordinary team of WebSphere insiders: developers, consultants,instructors,
and IBM WebSphere development team members. Together, they offer unprecedentedinsight
into the use and behavior of WebSphere's APIs in real-world environments—andsystematic
guidance for delivering systems of exceptional performance, robustness, and
businessvalue.
Coverage includes—
- Practical introductions to J2EE, WebSphere Application Server 5.0, and Web
application architecture
- Detailed coverage of Web application construction, including MVC partitioning
with Struts, servlets/JSP, and session management
- Step-by-step guidance for building and testing application business models,
including JUnit testing
- In-depth insight into EJB architecture, including transactions, security,
and advanced object relational mapping
- Web services: examples and best practices leveraging WebSphere Application
Server 5.x's latest enhancements
CD-ROMs Included
The CD-ROMs contain trial copies of IBM WebSphere Studio Application Developer
(Version 5.0.2),IBM WebSphere Application Server (Version 5.02), and DB2 Universal
Database, Personal Edition(Version 8.1.2) for Microsoft Windows 2000/XP. The
CD-ROMs also include source code for thecase study examples used in the book.
Table of Contents
Foreword.
Preface.
1. Introduction.
Why Software Development Must Consider the Whole
Enterprise. How Iterative Development Addresses Key IT Management Issues. Today's
Enterprise Applications Have New Requirements. What Is the Starting Point? What
Is a Layered Architecture? Layered Architecture Benefits. Summary.
2. Introduction to the Case Study.
Case Study Analysis and Design Artifacts. Use
Case Definitions. Designing the Case Study Domain Model. Using the Case Study
in Our Book. Summary.
3. J2EE Overview.
Why J2EE? J2EE Architecture. J2EE Platform Roles.
J2EE Versions and Evolution. A J2EE Perspective. Summary.
4. What Is WebSphere?
WebSphere Foundation and Tools. The WAS Core
Architecture. Administering a local WAS Server. Leveraging the Scalability of
WAS ND. Summary.
5. Presentation Layer Patterns.
Java User Interface Technologies. Decoupling
the User Interface. Mediating Logical View Logic. Summary.
6. Servlets.
HTTP Technology Primer. Servlet Concepts. Servlet
Life Cycle. An Example Servlet. Web Deployment Descriptors. Filters. Servlet
API Classes and Interfaces. Summary.
7. Developing Servlets Using IBM WebSphere Studio Application Developer.
The IBM WebSphere Studio Family of Tools. Building
an Example Servlet with WSAD. Some Problems with This Example. Summary.
8. Testing Servlets Using WSAD.
Edit the Web Deployment Descriptor. Summary.
9. Managing Session State.
Some Client-Side Session Approaches. Servlets
and Session State. Choosing the Right Approach. Session Persistence. Summary.
10. JavaServer Pages Concepts.
Page Templates and Server-Side Scripting. A Short
History of Java Server Pages. Page Compilation—Runtime View. JSP Syntax.
Scripting Elements. Directives. JSP Documents. Roles for JSP. Summary.
11. Tag Libraries and Custom Tags.
Introduction. Basic Model for Custom Tags. JSTL
and Other Widely Used Tag Libraries. Writing Tag Handlers. Tag Library Descriptor
(.tld). Taglib Directive and Coding Custom Actions. Support for Custom Actions.
Summary.
12. Design Considerations for Controllers.
Where Do Controllers Come From? Controller Design
Alternatives. Exception Handling. Logging. Servlet Filters. Summary.
13. Developing and Testing JSPs in WSAD.
Another Look at MVC. JavaBeans, Introspection,
and Contracts. Building Applications Using JSPs with WSAD. Editing JavaServer
Pages. Validating the JSP Page. Running on the Server. Debugging the JSP. Simplifying
JSPs. XML compliance. Summary.
14. Apache Struts as an MVC Framework.
Road Map. Why Do You Need a Framework? What Is
Struts? A Simple MVC Struts Example. Struts Best Practices. Summary.
15. XML/XSL Web Interfaces in WSAD.
Strategy for Using XML/XSL for Web Interfaces.
Example XML/XSL Web Interface with WSAD. Creating the XSL File. Enhanced Example
of XML/XSL Web Interface with WSAD. Dynamic Example XML/XSL Web Interface with
WSAD. When to Use XML/XSL for Web Interfaces. Summary.
16. Developing and Testing the Domain Model.
The Domain Model Layer. The Data Mapping Layer.
Testing the Model. Summary.
17. Unit and Functional Testing Applications in WSAD.
Overall Testing Approaches. What Is JUnit? A
Simple Example. Unit Testing Containers with Cactus. Function Testing Applications
in WSAD. Function Testing. What Is HttpUnit? The HttpUnit API. Following Links.
Working with Forms. Working with Tables. Working with Frames. Working with a
Document Object Model (DOM). Functional Test Design Considerations. Summary.
18. Supporting Enterprise Applications.
Another Look at the n-Tier Architecture. Why
Aren't HTML, Servlets, and JSPs Enough? Object Distribution. Integration Styles
and Messaging. Object Persistence. Objects and Transactions. Security in Enterprise
Applications. Summary.
19. Basic EJB Architecture.
Core EJB Concepts. The EJB Types. Introducing
the EJB Programming Model. 19.4EJBs—Distributed or Not? Basic Architectural
Patterns for EJBs. The Role of Persistence. When Do You Need EJBs? Summary.
20. Developing EJBs with WSAD.
The J2EE Perspective. J2EE Projects. Creating
a Session Bean. Testing the New Session Bean. Summary.
21. Testing and Debugging EJBs in WSAD.
Developing the Service Layer. Overview of the
Testing Process. Summary.
22. EJB Client Development.
Using Servlets as EJB Clients. Building Java
Application Clients. Applet Clients in WebSphere. Naming and the WebSphere Namespace.
Creating a Test Client. Deploying Application Clients in WebSphere. Deploying
and Running the EJB Client to the WebSphere Client Container. Some Design Points
about EJB Clients. Summary.
23. Simple CMP Entity Beans.
Entity Bean Basics. CMP in WebSphere and WebSphere
Studio. Creating a CMP EJB Using WebSphere Studio. The Parts of an Entity Bean.
Deployment Descriptor. Summary.
24. CMP Mapping Strategies and Mapping in WSAD.
Databases, CMPs, and Maps. Multiple Mapping Back-end
Support. Exporting Database Tables. EJB Query Language. Summary.
25. Advanced CMP Mapping.
Simple Mapping Rules. Object-Relational Basics.
Concepts in EJB 2.0 Relationships. Associations in UML. Relationships in WSAD
V5.0. Creating a Single-Valued Relationship. Creating a Multivalued Relationship.
Read Ahead Hints. Mapping Relationships. Weak vs Strong Entities. EJB Inheritance
in WSAD. Advanced EJB QL. Summary.
26. Bean-Managed Persistence.
Applying BMP. A Simple BMP Bean. Examining BMP
Persistence. BMP vs CMP. Summary.
27. Introduction to Message-Driven Beans.
Java Messaging Service. JMS API Basics. Message-Driven
Beans. Summary.
28. Transactions in WebSphere 5.0.
JDBC Transactions. Transactions and 2-Phase Commit.
JTA and Transaction Demarcation. Enabling 2-PC in WebSphere 5.0. EJBs and Container-Managed
Transactions. Participating in a Transaction. Using XA Resources with 2-PC in
WebSphere. Transaction Settings for J2EE 1.3 in WAS 5.0. Advice on Using Transactions.
Extended Transaction Settings in WebSphere. Special Transaction Considerations
for JMS. Dealing with Concurrency. Summary.
29. J2EE Security in WebSphere.
J2EE Security Overview. J2EE Authorization. Securing
Resources with WebSphere Studio. EJB Security Recommendations. Handling Instance-Based
Security. GUI-Based Security. Summary.
30. Building Layered Architectures for EJB Systems.
Problems with an All-Entity EJB Solution. The
Session Fa ade and DTO Solution. Design Points for Session Fa ades. Rules for
Session Fa ades. Reasons for EJB Objects. A Simple Example from the Case Study.
A More Complex Example. Mappers Revisited. Simulated Mappers. An Updating Example.
Testing the Session Fa ade Example with JUnit. Running the Test Client. Rules
for Creating Session Fa ades. Should Session Fa ades Return XML? Summary.
31. Implementing the Case Study User Interface.
User's Guide. Summary.
32. An Introduction to J2EE Web Services for WebSphere.
If Web Services Is the Solution, What's the Problem?
Web Services Architecture. Web Services in J2EE. Web Services in WAS. The Standardization
Nightmare. Summary.
33. Constructing J2EE Web Services for WebSphere.
Getting Started with Web Services. Building Web
Service Clients. Summary.
34. Web Services Architectures and Best Practices.
Some Web Services Dos and Don'ts. Addressing
the Limitations of Web Services. Choosing the Right Level of Granularity in
SOA. Interoperability Lessons Learned. Summary.
35. A Final Look.
Application Layering. Case Study and J2EE Technologies.
Tooling. A Parting Thought.
Appendix A: Installing Products and Examples from the CDs.
Installing the Products from the CDs. Installing
the Case Study Examples.
Appendix B: Constructing J2EE Web Services Using WSAD 5.1.
What's New? Creating the RandomIDGenerator Service.
Running and Testing the RandomIDGenerator Service. Using the Existing J2SE Client.
Summary.
Bibliography.
Index.
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