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Mastering Eclipse Plug-in Development by Dr. Alex Blewitt

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Extending the shell

There are two different ways of extending the shell. One of them is to use the osgi:addcommand function that comes with Gogo. This allows one or more static methods from a class to be defined as functions in the console. Another way is to write custom Java classes and register them as OSGi services.

Adding commands from existing methods

In Java, the Integer class has a static method called toHexString, which converts an integer into its hexadecimal representation. Although this can be invoked via method calls, it is easier if it can be added as a command natively to the console.

The osgi:addcommand command takes a prefix (scope), a class object, and optionally a method to import. Without the last parameter, all public static

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