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How do I perform a Boolean To Enum refactor in IntelliJ IDEA?


How do I perform a Boolean To Enum refactor in IntelliJ IDEA?

For example, convert this:

void changeLights(boolean isOn) {
    this.isOn = isOn;
    }

changeLights(true);
changeLights(false);

Into this:

enum LightState { ON, OFF }

void changeLights(LightState lightState) {
    this.lightState = lightState;
    }

changeLights(LightState.ON);
changeLights(LightState.OFF);

Solution

  • I would add a method

    @Deprecated
    void changeLights(boolean isOn) {
        changeLights(isOn ? LightState.ON : LightState.OFF);
    }
    

    Then you can inline this method. Lastly you can "simplify" using the inspection analyse tool to simplify

    changeLights(true ? LightState.ON : LightState.OFF); // use IDEA to simplify
    

    to

    changeLights(LightState.ON);
    

    similar for false -> changeLights(LightState.OFF);