Android Open Source - MentalMathX Exercise Strategy Factory

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From Project

Back to project page MentalMathX.

License

The source code is released under:

GNU General Public License

Java Source Code

package net.schlingel.bplaced.mentalmathx.game.strategy;
/*from   w  w  w.j  a va 2  s . c  o m*/
import net.schlingel.bplaced.mentalmathx.game.Difficulty;

/**
 * Created by zombie on 29.06.14.
 */
public class ExerciseStrategyFactory {
    public static ExerciseStrategy getInstance(Difficulty difficulty) {
        if(difficulty == null) {
            throw new IllegalArgumentException("Difficulty must not be null!");
        }

        ExerciseStrategy strategy = null;

        switch (difficulty) {
            case VeryEasy:
                strategy = new OneOOneExerciseStrategy();
                break;
            case Easy:
                strategy = new EasyExerciseStrategy();
                break;
            case Medium:
                strategy = new MediumExerciseStrategy();
                break;
            case Hard:
                strategy = new HardExerciseStrategy();
                break;
            default:
                throw new IllegalStateException("Got difficulty instace which was neither Easy, Medium nor Hard!");
        }

        return strategy;
    }
}

Java Source Code List

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