Contents

Title and Copyright Information

Preface

• Documentation Accessibility
• Conventions

1 Introduction and Roadmap

• Document Scope and Audience
• Guide to This Document
• Related Documentation
• New and Changed Features

2 Understanding WebLogic jCOM

• What Is WebLogic jCOM?
  • An Important Note on Terminology
  • jCOM Architecture
• Why Use WebLogic jCOM?
• WebLogic jCOM Features
• Planning Your WebLogic jCOM Application
  • Zero-Client Deployment
    • Advantages and Disadvantages of Zero-Client Deployment
  • Early Versus Late Binding
    • Advantages and Disadvantages of Each Binding Model
  • DCOM Versus Native Mode
    • Advantages and Disadvantages of Native Mode
• jCOM Features and Changes in this Release

3 Calling into WebLogic Server from a COM Client Application

• Special Requirement for Native Mode
• Calling WebLogic Server from a COM Client: Main Steps
• Preparing WebLogic Server
  • Generate Java Wrappers and the IDL File—Early Binding Only
  • Configuring Access Control
    • Granting Access to java.util.Collection and java.util.Iterator
    • Granting Access to ejb20.basic.beanManaged
• Preparing the COM Client
  • Install Necessary Files
    • jCOM Tools Files
    • WebLogic Server Class Files—Native Mode Only
  • Obtain an Object Reference Moniker from the WebLogic Server Servlet—Zero Client Only
  • Generate Java Wrappers and the IDL File—Early Binding Only
    • Some Notes about Wrapper Files
  • Register the WebLogic Server JVM in the Client Machine Registry
    • Unregistering JVMs
    • Select Native Mode, If Applicable
  • Code the COM Client Application
    • Late Bound Applications
    • Early Bound Applications
  • Start the COM Client
• Running COM-to-WLS Applications in Native Mode
  • Native Mode with the JVM Running Out-of-Process
  • Native Mode with the JVM Running In-Process

4 Calling into a COM Application from WebLogic Server

• Special Requirements for Native Mode
• Calling a COM Application from WebLogic Server: Main Steps
• Preparing the COM Application
  • Code the COM Application
  • Generate Java Classes with the com2java GUI Tool
  • Package the Java Classes for WebLogic Server
  • Start the COM Application
• Using Java Classes Generated by com2java
• Using Java Interfaces Generated from COM interfaces by com2java

5 A Closer Look at the jCOM Tools

• com2java
  • Using com2java
    • Selecting the Type Library
    • Specifying the Java Package Name
    • Options
    • Generate the Proxies
  • Files Generated by com2java
    • Enumerations
    • COM Interfaces
    • COM Classes
• java2com
• regjvm
  • JVM Modes
    • DCOM mode
    • Native Mode Out of Process
    • Native Mode in Process
  • The User Interface of the regjvm GUI Tool
    • DCOM Mode Options for the regjvm GUI Tool
    • Native Mode Options for the regjvm GUI Tool
    • Native Mode in Process Options for the regjvm GUI Tool
• regjvmcmd
• regtlb