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Mastering Eclipse Plug-in Development

You're reading from   Mastering Eclipse Plug-in Development Build modular applications on Eclipse by defining custom extension points and using OSGi services

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Product type Paperback
Published in Aug 2014
Publisher
ISBN-13 9781783287796
Length 362 pages
Edition 1st Edition
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Authors (2):
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Bandlem Limited Bandlem Limited
Author Profile Icon Bandlem Limited
Bandlem Limited
Alex Blewitt Alex Blewitt
Author Profile Icon Alex Blewitt
Alex Blewitt
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Touchpoints


A touchpoint is a P2 configuration option that specifies an action to be performed when a feature is installed/configured or unconfigured/uninstalled. This can be used to add additional flags to the Eclipse configuration file, making directories, updating permissions on files, as well as installing bundles and features.

There are two default categories of touchpoint actions:

  • org.eclipse.equinox.p2.touchpoint.natives, which mainly operates on files, permissions, and copying or creating directories and ZIP files

  • org.eclipse.equinox.p2.touchpoint.eclipse, installing bundles, features, source references, repositories, and modifying the JVM start-up or system properties

Touchpoints are stored in touchpoint advice files called p2.inf that can be stored in one of the following three locations:

  • Inside the META-INF directory of a bundle

  • Next to the feature.xml file in a feature

  • Next to the .product file in a product

The touchpoint advice is added to the bundle, feature, or product when it is...

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