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Table of Contents
Introduction
What This Book Is All About
Who Should Read This Book
How to Read This Book
Conventions
Fixes and Updates
Thanks a Million!
Chapter 1. Advanced Java
Basic Java
Object-Oriented Design Using Java
Applying Good Object-Oriented Design Skills
OOP-Strong, Efficient, and Effective
Java I/O Routines
Streams
The Java Core System
Files
The Abstract Window Toolkit and Swing Classes
I/O in Short
Introduction to Threading in Java
What Are Threads?
Threading in Java
Thread Summary
Object Serialization
What Is Serialization?
Handling Object Relationships
The Output Streams
Handling Object Webs
Reading Objects
Security and Fingerprinting
Serialization Overview
Performance
Performance Issues
Summary of Performance Issues
A First Look at Java Networking in Action
Pulling It All Together
Chapter 2. TCP/IP Fundamentals
In the Beginning...
The Protocol Stack
The OSI Stack
The TCP/IP Stack
IP Addresses
DNS
HTTP
CORBA and IIOP
RMI
JINI
Chapter 3. Java Sockets and URLs
Sockets and Interprocess Communication
Introduction to IPC
URL and URL Connection
Summary of Sockets
Client/Server Methodology
The Pizza Order Protocol (TPOP)
The TPOP Server
Setting Up the Server
Initializing the Server Socket
Creating the Thread
Detecting Information and Starting the Thread
Gathering Information
Developing Clients for Servers
Clients and Servers in Short
UDP Client
Datagrams
Creating a UDP Sender
Featured Application
Messaging Format
Client
Server
Summary
Chapter 4. Java Database Connectivity
Inside JDBC
Database Drivers
JDBC in General
Databases and SQL
Creating an Access Database
Simple SQL
Summary
Retrieving Information
Creating the User Interface
Database Security
Using the JDBC Driver
Creating Queries
Database and SQL Overview
Storing Information
Creating the Connection
Forming a Statement
A JDBC Version of the Featured App
Creating the Database
Mapping the Network Module to Database Queries
Developing the Client
Establishing the Connection
Making an SQL Invocation
Invoking SQL to Make a Change
Shutting Down the Connection
Summary
Chapter 5. Java RMI: Remote Method Invocation
Distributed Objects
What Is RMI?
How Does RMI Work?
Local vs. Remote Objects
Applet vs. Application
Dynamic Method Invocations
Overview of RMI
Client
RMI Client Methodology
Catching Exceptions
Handling Security Constraints
Client Overview
Server
RMI Server Classes
Creating a Server Interface
Implementing a Server
RMI Registry Classes
RMI Server Security Constraints
Generating Stubs and Skeletons
Server Overview
Callbacks
Why Callbacks?
Creating the Callback
Implementing the Callback Client
Filling in the Callback Method
Registering Callbacks
Invoking Callbacks
Callbacks in Short
A Java RMI Version of the Featured App
RMI Interface
RMI Client
RMI Server
Activatable Objects
Custom Socket Factories
Summary
Chapter 6. Java IDL: Interface Definition Language
CORBA
CORBA-Style Communication
The CORBA Vision
Communication with CORBA
Separation of Interface and Implementation
Different Vendors, Different ORBs
Advantages of CORBA
Common Object Services
Object Administration
Clients and Servers and Networks, Oh My!
What CORBA Means for You
The Interface Definition Language
Interfaces
Modules
Interface Inheritance
Variables and Structures
Methods
Constructed Data Types
Exceptions
Overview of the IDL
Language Mappings
What Exactly Are Language Mappings?
The Sun Microsystems Java Language Mapping
Interfaces, Modules, and Methods
Interface Inheritance
Variables and Structures
Constructed Data Types
Exceptions
Java and CORBA Together
CORBA Clients
Designing a User Interface
Defining the Problem
The Cooler Interface Definition
The Cooler User Interface
Initializing the Client ORB
Client Overview
CORBA Servers
Defining an Interface and Generating Code
Server Overview
CORBA Callbacks
Java Callbacks
Creating a Callback
Registering a Callback
Receiving and Handling a Callback
A Java IDL Version of the Featured App
Server Interface
Server Interface
Summary
Chapter 7. Web Servers, Server-Side Java, and More
Inside an HTTP Server
Web Server Architecture
The HTTP Protocol
Using a Web Server
Advanced Web Server Features
HTTP Server Overview
Common Gateway Interface and CGI Scripts
Servlets Overview
Dynamic Documents
Creating the Servlet
A Servlet Version of the Featured App
Java Server Pages
Microsoft Active Server Pages (ASP)
PHP
Allaire Cold Fusion
On to JSP
The Featured Application as a JSP
Dynamic Documents Overview
Multipurpose Servers
Summary
Chapter 8. Java Beans
Component Models
The Competition
Overview of the Java Beans Component Model
Interface Publishing
Event Handling
Persistence
Layout
Builder Support
Distributed Beans
Why Use Beans?
Java Beans
Component Interaction
Network Communication
User Interface Issues
Persistence
Events
Properties
Beans in a Nutshell
Making a Bean
Using Java Beans
Creating a Java Beans Application
A Simple Example
Instantiating Components
Bean Introspection
Server-Side Java Beans
Enterprise Java Beans
Summary
COM/DCOM and ActiveX
What Is ActiveX?
ActiveX Controls
ActiveX and Java
Java Native Interface (JNI)
Summary
Chapter 9. Application Servers
High-Performance Web Servers
Integrated Development Environment
Interfacing to Enterprise Resource Planning Systems
Ability to Interface with Transaction Processing Monitors
Support Stateful Applications
Connection Pooling of Database Connections
Access to Legacy Applications and Legacy Databases
Scalability Through Load Balancing
Automatic Fail-Over
Support of the Enterprise Java Beans Specification
Summary
Chapter 10. Jini: Sun's Technology of Impromptu Networks
Examples of Jini
Where Did Jini Come From?
Our Working Jini Example
Basic Jini Concepts: "Discovery, Join, and Lookup Oh My!"
Server
Client
Getting Started with Jini
Let's Get to the Code!
Implementing the Jini Server
Implementing the Jini Client
Running the Jini Server
Running the Jini Client
Good References to Get You Started
Summary
Chapter 11. JMX/JMAPI: Java Management API
What Is Network Management?
Network Management at a Glance
Simple Network Management Protocol
The Unique Management Problems of Java
Network Administration Overview
Modifying Clients for JMAPI
AVM Base Classes
AVM Help Classes
Managed Object Interfaces
Setting Up Notifications
Modifying Servers for JMAPI
The Admin Runtime Module
ManagedObject Classes
Implementing the ManagedObject
Managed Attributes
ManagedObjectFactory Classes
Notifications
Managed Data
Server Agents
Summary
Chapter 12. What Are Directory Services?
Some Background
Introducing Java Naming Directory Interface
Using the JNDI to Access LDAP-Based Data
Setting up the Airius Directory
The Airius Schema
Connecting
Searching
Adding Persons to the Directory
Modifying Information Already in the Directory
Removing Entries from the Directory
Authentication
Summary
Chapter 13. Java and Security
Safety in Java
The Java Security Model
Easy to Use Fine-Grained Access Control
Easy to Configure Security Policy
Easy to Extend Access Control Structure
Easy to Extend Security Checks to Applications
Java Class Security
The Bytecode Verifier
The Class Loader
The Security Manager
Security Problems and Java Security Testing
Encryption
Java Cryptography Extension (JCE)
Authentication
Kerberos
Digital Signatures and Public Key Encryption
Secure Sockets Layer
The Government and Security
Export Control
The "Clipper" Controversy
Summary
Chapter 14. Making an Architectural Decision
Java Sockets
Flexibility
Simplicity
Java RMI Decisions
RMI Advantages
RMI Disadvantages
Three-Tier Applications in RMI
Java IDL
Advantages of Java IDL
Disadvantages of Java IDL
Java IDL Implementations
Java IDL Is Robust
Java IDL Is Difficult
Java IDL Is Powerful
JDBC
Why JDBC Is Not Enough
JDBC and Java IDL or Java RMI
JDBC Alone
JDBC Overview
Other Java Technologies
When to Use Beans
When to Use Servlets and Java Server Pages
Application Servers
Summary
Appendix Glossary
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