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  • Book Overview & Buying Mastering Eclipse Plug-in Development
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Mastering Eclipse Plug-in Development

Mastering Eclipse Plug-in Development

By : Alex Blewitt, Bandlem Limited
4 (1)
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Mastering Eclipse Plug-in Development

Mastering Eclipse Plug-in Development

4 (1)
By: Alex Blewitt, Bandlem Limited
Buy this Book

Overview of this book

Mastering Eclipse Plug-in Development shows you how to build an extensible application using custom extension points and dynamic OSGi services in Eclipse. Dynamic design patterns such as whiteboard and extender are covered along with specific techniques to deal with native and legacy code. This book dives right into the details and teaches you how to define new JFace wizards and extend Eclipse with custom extension points. Then the book moves quickly on to the details of how to define new commands for the Eclipse console and how to include native code in a plug-in. You will engage with modular application design patterns and Thread Context ClassLoaders before getting the details on how to create as well as manage P2 sites and write help documentation for an Eclipse plug-in.
Table of Contents (18 chapters)
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Mastering Eclipse Plug-in Development
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Mastering Eclipse Plug-in Development
Credits
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Credits
About the Author
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About the Author
Acknowledgments
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Acknowledgments
About the Reviewers
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About the Reviewers
www.PacktPub.com
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www.PacktPub.com
Preface
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Preface
Lock Free Chapter
1
Plugging in to JFace and the Common Navigator Framework
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Plugging in to JFace and the Common Navigator Framework
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JFace wizards
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Common navigator
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Summary
2
Creating Custom Extension Points
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Creating Custom Extension Points
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Extensions and extension points
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Summary
3
Using OSGi Services to Dynamically Wire Applications
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Using OSGi Services to Dynamically Wire Applications
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Overview of services
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Registering a service programmatically
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Registering a service declaratively
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Dynamic services
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Dynamic Service Configuration
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Summary
4
Using the Gogo Shell and Commands
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Using the Gogo Shell and Commands
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Consoles in Equinox
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Extending the shell
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Summary
5
Native Code and Fragment Bundles
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Native Code and Fragment Bundles
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Native code and Eclipse
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Native libraries in OSGi bundles
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Reloading native libraries
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OSGi fragment bundles
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Summary
6
Understanding ClassLoaders
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Understanding ClassLoaders
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Overview of ClassLoaders
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ThreadContextClassLoaders
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Java ServiceLoader
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OSGi upgrade strategies
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Summary
7
Designing Modular Applications
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Designing Modular Applications
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Semantic versioning
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Public APIs and version ranges
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Baselining and automatic versioning
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Design patterns
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Best practices
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Summary
8
Event-driven Applications with EventAdmin
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Event-driven Applications with EventAdmin
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Understanding the OSGi EventAdmin service
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Events and E4
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Designing an event-based application
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Summary
9
Deploying and Updating with P2
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Deploying and Updating with P2
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Eclipse P2
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Running P2 applications
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P2 repositories
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Touchpoints
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Summary
10
User Assistance in Eclipse
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User Assistance in Eclipse
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Help pages in Eclipse
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Help Server and RCP
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Cheat sheets
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Summary
1
Index
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Index

Native code and Eclipse

The Java Native Interface (JNI) is a standard way in which any Java program can interact with native code. The process for working with native code can be summarized as follows:

  1. Write a Java class with a native method.

  2. Compile the Java class as normal.

  3. Run javah with the class name, which generates a header stub.

  4. Write the native C function and export it with the given function signature.

  5. Compile the code into a dynamically linked library.

  6. Load the library into the runtime with System.loadLibrary.

  7. Execute the native method as normal.

The name of the library is dependent on the operating system; some call the library name.dll, some call it libname.so, and others libname.dylib. However, Java just uses the real portion of the library name; so, all three platforms use the same Java code, System.loadLibrary("name"), to load the library.

Creating a simple native library

For the purpose of this chapter, a native library will be created to perform a simple Maths operation class that...

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