Summary
by Peter Roxburgh, Andy Longshaw, Debbie Law, Dan Haywood, Martin Bond
Sams Teach Yourself J2EE™ in 21 Days, Second Edition
- Copyright
- About the Authors
- Acknowledgments
- Tell Us What You Think!
- Introduction
- Introducing J2EE and Enterprise JavaBeans
- The Challenge of N-tier Development
- The J2EE Platform and Roles
- Naming and Directory Services
- Introduction to Enterprise JavaBeans
- Session EJBs
- Overview
- The javax.ejb Package for Session beans
- Specifying a Stateless Session bean
- Implementing a Stateless Session Bean
- Configuring a Stateless Session bean
- Configuring a Session Bean Using J2EE RI deploytool
- Client Applications
- Configuring J2EE RI Client Applications with deploytool
- Running the Agency Case Study Example
- Stateful Session Beans
- Timer Service
- Gotchas
- Summary
- Q&A
- Exercises
- Entity EJBs
- Container-Managed Persistence and EJB Query Language
- Developing J2EE Applications
- Transactions and Persistence
- Java Message Service
- Message-Driven Beans
- JavaMail
- Servlets
- The Purpose and Use of Servlets
- Introduction to HTTP
- Introduction to HTML
- The Servlet Environment
- The Servlet Class Hierarchy
- Simple Servlet Example
- Passing Parameter Data to a Servlet
- Web Applications
- Handling Errors
- Retaining Client and State Information
- Servlet Filtering
- Event Listening
- Servlet Threads
- Security and the Servlet Sandbox
- Agency Case Study
- Summary
- Q&A
- Exercises
- JavaServer Pages
- JSP Tag Libraries
- Integrating J2EE into the Enterprise
- Security
- Integrating XML with J2EE
- Transforming XML Documents
- Patterns
- Integrating with External Resources
- Using RPC-Style Web Services with J2EE
- Web Service Overview
- Web Services for J2EE
- Creating a Web Service with JAX-RPC
- The JAX-RPC API
- Creating a Simple Service
- Packaging and Deploying the Simple Web Service Using J2EE RI deploytool
- Consuming the Simple Greeting Service
- Building More Robust Web Services
- Exposing EJBs Through Web Service Protocols
- Packaging and Deploying the Agency Web Service Using J2EE RI deploytool
- Consuming the Simple Greeting Service
- Other Considerations for Web Services
- Summary
- Q&A
- Exercises
- Message-Style Web Services and Web Service Registries
- Message-based SOAP Services
- Implementing an SAAJ-based Web Service
- Packaging and Deploying the Simple Web Service Using J2EE RI deploytool
- Consuming the SAAJ Web Service
- More Complex Message Exchange
- Registries for Web Services
- Accessing Information in a UDDI Registry
- Using JAXR for Registry Access
- Contacting a Registry Using JAXR
- Storing Information in a Registry Using JAXR
- Retrieving Information from a Registry Using JAXR
- Summary
- Q&A
- Exercises
- Appendixes
- Index
Summary
Today, you have had a very quick, and necessarily brief, introduction to XML and the APIs and technologies available in J2EE to parse and generate XML data. You have seen how XML can be used to create flexible structured data that is inherently portable. With DTDs and XML Schemas, you were shown how this data can also be validated. You have been introduced to several different ways of parsing an XML document with SAX, DOM, JAXP, or JAXB, and you should now recognize the advantages and disadvantages of each technique.
Tomorrow, you will extend your XML knowledge to include XML transformations.
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