[...]... Application 347 11 .1 J2EE Architecture Approaches 348 11 .1. 1 Model-View-Controller Architecture 348 xi DEA2e.book Page xii Friday, March 8, 2002 12 : 31 AM xii CONTENTS 11 .2 11 .3 11 .4 11 .5 11 .6 11 .1. 2 J2EE Design Patterns 350 Sample Application Overview 352 Designing the Sample Application ... 309 10 J2EE Internationalization and Localization 311 10 .1 Internationalization Concepts and Terminology 312 10 .1. 1 Internationalization, Localization, and Locale 312 10 .1. 2 Character Sets 313 10 .1. 3 Encodings 314 10 .2 Using J2SE Internationalization APIs in J2EE Applications 316 10 .2 .1. .. one or two people may perform all these roles, while on others 11 DEA2e.book Page 12 Friday, March 8, 2002 12 : 31 AM 12 CHAPTER 1 INTRODUCTION these tasks may be further subdivided into more specific skill sets (such as user interface designers, programmers, and so on) 1. 2.2.2 Integrating Existing Enterprise Information Systems The J2EE platform, together with the J2SE platform, includes a number of industry... together— and building smarter—can be the key to successfully growing a marketplace that offers more for everyone With the release of the J2EE 1. 3 platform, the momentum continues Six months after the initial release of the J2EE 1. 3 platform, the introduction of compatible products is running 56% over the rate for the previous version Part of the reason for this phenomenal uptake is, of course, the. .. Defining the larger, distributed programming environment in which enterprise beans are used as business logic components 1. 2 .1. 5 Support for the J2EE Standard The J2EE standard is defined through a set of related specifications Key among these are the J2EE specification, the Enterprise JavaBeans specification, the Java Servlet specification, and the JavaServer Pages specification Together, these specifications... xv Friday, March 8, 2002 12 : 31 AM Preface THIS book, now in its second edition, describes standard approaches to designing multitier enterprise applications with the JavaTM 2 Platform, Enterprise Edition This book, and the accompanying Java Pet Store sample application, are part of the successful Java BluePrints program created by Sun Microsystems with the introduction of the J2EE platform This program... B.S in computer science from the University of California at Santa Barbara TONY NG is the technical lead of the J2EE SDK and Reference Implementation at Sun Microsystems, Inc Previously, he was the implementation lead of the J2EE Connector Architecture He is a contributing author to the first edition of Designing Enterprise Applications with the Java 2 Platform, Enterprise Edition, and J2EE xxi DEA2e.book... and back-end enterprise information systems providing data management Figure 1. 1 illustrates the various components and services that make up a typical J2EE environment Figure 1. 1 1. 2 .1. 1 J2EE Environment Multitier Model As illustrated, the J2EE platform provides a multitier distributed application model This means that the various parts of an application can run on different devices The DEA2e.book... 8, 2002 12 : 31 AM THE PLATFORM FOR ENTERPRISE SOLUTIONS In many ways, the J2EE platform and EJB architecture have complementary goals The EJB component model is the backbone of industrial-strength application architectures in the J2EE programming model The J2EE platform complements the EJB specification by: • Fully specifying the APIs that an enterprise bean developer can use to implement enterprise. .. 316 10 .2.2 Message Formatting 319 10 .2.3 Date Formatting 320 10 .2.4 Collation 320 10 .3 Web Tier Internationalization 3 21 10.3 .1 Tracking Locales and Encodings 3 21 10.3.2 Presentation Component Design 325 10 .3.3 Internationalizing .