Enabling an Extra WS Engine (Web Service Client Module)
Besides most common WS engines, support of which is enabled through dedicated facets, with IntelliJ IDEA you can also use the following ones:
Moreover, you can use any desired WS engine implementation version instead of restricting yourself to the predefined one.
To enable support of an extra WS engine or a specific implementation version
Download the desired WS engine implementation.
In the Settings/Preferences dialog Ctrl+Alt+S, click Tools | Web Services in the left pane and specify the path to external web service engines, server name and port, and so on (for details, see Web Services).