JBoss At Work

As with any tool that's as feature-rich as JBoss, there are number of pitfalls and complexities, too. Most developers struggle with the same issues when deploying J2EE applications on JBoss: they have trouble getting the many J2EE and JBoss deployment descriptors to work together; they have difficulty finding out how to get started; their projects don't have a packaging and deployment strategy that grows with the application; or, they find the Class Loaders confusing and don't know how to use them. JBoss at Work: A Practical Guide helps developers overcome these challenges. As you work through the book, you'll build a project using extensive code examples. You'll delve into all the major facets of J2EE application deployment on JBoss, including JSPs, Servlets, EJBs, JMS, JNDI, web services, JavaMail, JDBC, and Hibernate.

Tom Marrs, a 20 year veteran in the software industry, is the principal and senior software architect at Vertical Slice, a consulting firm that designs and implements mission-critical business applications using the latest J2EE and open source technologies. Tom speaks regularly at software conferences such as JavaOne and No Fluff Just Stuff. He is an active participant in the local technical community, and served as president of the Denver Java Users Group.

Scott Davis is a senior software engineer and instructor in the Denver, Colorado area. He has worked on a variety of Java platforms, from J2EE to J2SE to J2ME (sometimes all on the same project). He is a frequent presenter at national conferences and local user groups. He was the president of the Denver Java Users Group in 2003 when it was voted one of the top ten JUGs in North America.

Preface

xi

Getting Started with JBoss

1

(12)

Why ``JBoss at Work''?

2

(1)

Why JBoss?

2

(1)

The Example: JAW Motors

3

(1)

The Tools

4

(2)

Installing JBoss

6

(5)

Deploying Applications to JBoss

11

(1)

Looking Ahead...

12

(1)

Web Applications

13

(18)

The Servlet Container

13

(1)

Three-Tier Applications

14

(1)

Exploring the Presentation Tier

15

(1)

Building the View Cars Page

16

(8)

Adding a Model and Controller

24

(6)

Looking Ahead...

30

(1)

Building and Deploying an EAR

31

(14)

WARs Versus EARs

31

(2)

Application.xml

33

(1)

Common JAR

34

(3)

Deploying the EAR

37

(2)

Adding a DAO

39

(1)

Using XDoclet

40

(4)

Looking Ahead...

44

(1)

Databases and JBoss

45

(21)

Persistence Options

45

(2)

JDBC

47

(2)

JNDI

49

(3)

JNDI References in web.xml

52

(3)

JBoss DataSource Descriptors

55

(3)

JDBC Driver JARs

58

(2)

Database Checklist

60

(1)

Accessing the Database Using Ant

60

(3)

Creating JDBCCarDAO

63

(2)

Looking Ahead...

65

(1)

Hibernate and JBoss

66

(29)

The Pros and Cons of ORMs

66

(1)

Hibernate Mapping Files

67

(3)

Hibernate MBean Service Descriptor

70

(1)

Creating a HAR

71

(1)

Adding the HAR to the EAR

72

(1)

Creating a JNDI lookup

73

(3)

Hibernate Checklist

76

(1)

HibernateCarDAO

76

(4)

Adding a Car

80

(5)

Editing a Car

85

(5)

Deleting a Car

90

(4)

Looking Ahead...

94

(1)

Stateless Session Beans

95

(52)

Issues with EJBs

95

(1)

Should I Use EJB or Not?

96

(3)

Business Tier

99

(1)

Enterprise JavaBeans

100

(1)

Our Example

101

(1)

Iteration 1---Introduce a Session Bean

101

(4)

Calling the Session Bean from the Controller Servlet

105

(2)

EJB-Based JNDI References in Web-Based Deployment Descriptors

107

(2)

Session Bean Types

109

(1)

Session Beans

110

(1)

Remote Versus Local EJB Calls

110

(2)

Local and Remote Interfaces

112

(1)

Home Interfaces

113

(14)

Reviewing Iteration 1

127

(1)

Testing Iteration 1

128

(1)

Iteration 2---Move Business Logic Out of the Controller

128

(10)

Reviewing Iteration 2

138

(1)

Testing Iteration 2

138

(1)

Iteration 3---Buy a Car

139

(2)

The AccountingDTO

141

(1)

Developing the HibernateAccountingDAO

142

(1)

Adding buyCar() to the InventoryFacadeBean

143

(1)

Reviewing Iteration 3

144

(1)

Testing Iteration 3

144

(1)

Final Thoughts on Session Beans

145

(1)

Looking Ahead...

146

(1)

Java Message Service (JMS) and Message-Driven Beans

147

(25)

Sending Messages with JMS

148

(1)

Upgrade the Site: Running a Credit Check

148

(2)

JMS Architecture Overview

150

(1)

JMS Messaging Models

151

(1)

Creating a Message

152

(2)

Sending the Message

154

(1)

Core JMS API

155

(1)

Sending a JMS Message

155

(5)

JMS-Based JNDI References in Web-Based Deployment Descriptors

160

(3)

Deploying JMS Destinations on JBoss

163

(1)

JMS Checklist

164

(1)

Message-Driven Beans (MDBs)

164

(6)

MDB Checklist

170

(1)

Testing the Credit Check

171

(1)

Looking Ahead...

171

(1)

JavaMail

172

(13)

Running a Credit Check

172

(1)

Sending Email Messages with JavaMail

173

(1)

Upgrading the MDB to Send an Email Message

173

(2)

Sending an Email Message

175

(5)

JavaMail-Based JNDI References in EJB Deployment Descriptors

180

(1)

Automating JavaMail-Based JNDI References with XDoclet

181

(1)

Deploying JavaMail on JBoss

182

(1)

JavaMail Checklist

183

(1)

Testing the Credit Check Notification Email

184

(1)

Looking Ahead...

184

(1)

Security

185

(29)

J2EE Security

185

(1)

Web-Based Security

186

(2)

Restricting Access with web.xml

188

(4)

JAAS

192

(3)

Deploying a JAAS-Based Security Realm on JBoss

195

(3)

Testing Secure JSPs

198

(2)

Protecting the Administrative Actions

200

(4)

Web Security Checklist

204

(1)

Integrating Web Tier and EJB Tier Security

205

(1)

EJB Security

205

(8)

EJB Security Checklist

213

(1)

Looking Ahead...

213

(1)

Web Services

214

(29)

Web Services Architecture

215

(1)

JBoss 4.x and Web Services

216

(1)

J2EE 1.4 and Web Services

216

(1)

Implementing J2EE 1.4 Web Services

217

(1)

Service Endpoint Interface (SEI)

218

(1)

Modifying ejb-jar.xml

218

(1)

webservices.xml

219

(1)

JAX-RPC Mapping File

219

(2)

WSDL File

221

(2)

Set the Web Service URL

223

(1)

Modifying the InventoryFacadeBean EJB

224

(4)

Web Services Deployment

228

(1)

Automating Web Services Deployment

228

(5)

J2EE Web Services Checklist

233

(1)

Testing Web Services Deployment

234

(1)

Web Services Client

235

(1)

Implementing a Web Service Client

236

(3)

Web Service Client Checklist

239

(1)

Testing the Web Service Client

240

(1)

Final Thoughts on J2EE 1.4 Web Services

240

(1)

Conclusion

241

(1)

Congratulations!

241

(2)

A. ClassLoaders and JBoss

243

(8)

B. Logging and JBoss

251

(17)

C. JAAS Tutorial

268

(11)

Index

279

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Summary

Author Biography

Table of Contents

Supplemental Materials