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  • Book Overview & Buying EJB 3 Developer Guide
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EJB 3 Developer Guide

EJB 3 Developer Guide

By : Michael Sikora
4.2 (6)
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EJB 3 Developer Guide

EJB 3 Developer Guide

4.2 (6)
By: Michael Sikora

Overview of this book

Table of Contents (18 chapters)
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EJB 3 Developer Guide
Credits
About the Author
About the Reviewers
Preface
1
Annotations and Their Corresponding Packages

Authentication


For authentication, every Java EE compliant application server provides the Java Authentication and Authorization Service (JAAS) API. JAAS supports any underlying security system. So we have a common API regardless of whether authentication is username/password verification against a database, iris or fingerprint recognition for example. The JAAS API is fairly low level and most application servers provide authentication mechanisms at a higher level of abstraction. These authentication mechanisms are application-server specific however. We will not cover JAAS any further here, but look at authentication as provided by the GlassFish application server.

GlassFish Authentication

There are three actors we need to define on the GlassFish application server for authentication purposes: users, groups, and realms. A user is an entity that we wish to authenticate. A user is synonymous with a principal. A group is a logical grouping of users and is not the same as a role. A group's scope...

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Programming languages
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EJB 3 Developer Guide
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