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Listeners and Adapters
Occasionally implementing a Listener leads to an explosion of ugly empty boiler-plate methods. In such cases it is usually better to extend a matching adapter class and only override the needed methods.
The next IntelliJ IDEA Maia EAP build will make switching between implementing a Listener or extending an Adapter easier — with newly added Listener implementation could be replaced with Adapter extension inspection (also announced on Twitter).
This new inspection quickly highlights any implementations of Listeners which contain empty methods and offers to replace them with an extension of the relevant Adapter class.
A quick Alt+Enter, Enter replaces the verbose listener code by a more compact use of an Adapter. If you ever need to return to an implementation of a Listener, there is a new complementary intention to make this journey back quick and painless — Replace Adapter Extension with Listener implementation.
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