Contents

Title and Copyright Information

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Preface

Intended Audience

Documentation Accessibility

Organization

Related Documentation

Conventions

1 Servlet Overview

Introduction to Servlets

Review of Servlet Technology

Advantages of Servlets

The Servlet Interface and Request and Response Objects

Servlets and the Servlet Container

Introduction to Servlet Sessions

Servlet Contexts

Introduction to Servlet Filters

Introduction to Event Listeners

Other J2EE Component Types

A First Servlet Example

Hello World Code

Compiling and Deploying the Servlet

Running the Servlet

2 Servlet Development

Servlet Development Basics and Key Considerations

Code Template

Servlet Loading and Lifecycle

Servlet Preloading

Servlet Class Loading

Servlet Information Exchange

Servlet Threading

Servlet Security Considerations

OC4J Default Web Application and Key Directories

Oracle9i JDeveloper Support for Servlet Development

Servlet Invocation

Servlet Invocation by Class Name During OC4J Development

Servlet Invocation in an Oracle9iAS Production Environment

Servlet Invocation in an OC4J Standalone Environment

Servlet Sessions

Session Tracking

Session Cancellation

Session Servlet Example

Session Replication

Use of JDBC in Servlets

Database Query Servlet

Deployment and Testing of the Database Query Servlet

EJB Calls from Servlets

Local EJB Lookup within the Same Application

Remote EJB Lookup within the Same Application

EJB Lookup Outside the Application

EJB 2.0 Local Interfaces

3 Deployment and Configuration

Introduction to Web Application Deployment and Configuration

Deployment and Configuration with OC4J Standalone

OC4J Deployment and Configuration with Oracle9iAS and Enterprise Manager

Overview of Configuration Files

Application Assembly

Web Application Modules

Application Directory Structure

Application Build Mechanisms

Application Packaging

Configuration File Descriptions

Syntax Notes for Element Documentation

The global-web-application.xml and orion-web.xml Files

The default-web-site.xml, http-web-site.xml, and Other Web Site XML Files

Web Module Configuration in Oracle Enterprise Manager

Enterprise Manager OC4J Home Page

Enterprise Manager Deploy Web Application Page

Enterprise Manager Website Properties Page

Enterprise Manager Web Module Page

Enterprise Manager Web Module Properties Page

Enterprise Manager Web Module Mappings Page

Enterprise Manager Web Module Filtering and Chaining Page

Enterprise Manager Web Module Environment Page

Enterprise Manager Web Module Advanced Properties Page

4 Servlet Filters and Event Listeners

Servlet Filters

Overview of Servlet Filters

How the Servlet Container Invokes Filters

Filter Examples

Event Listeners

Event Categories and Listener Interfaces

Typical Event Listener Scenario

Event Listener Declaration and Invocation

Event Listener Coding and Deployment Guidelines

Event Listener Methods and Related Classes

Event Listener Sample

A Third Party Licenses

Apache HTTP Server

The Apache Software License

Apache JServ

Apache JServ Public License

Index