Platform.java

package com.github.signed.sandbox.spring.ioc.qualifier;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.springframework.beans.factory.annotation.Qualifier;

@Target({ ElementType.FIELD,
    ElementType.METHOD,
    ElementType.TYPE,
    ElementType.PARAMETER })
@Retention(RetentionPolicy.RUNTIME)
@Qualifier
public @interface Platform {

    OperatingSystems value();

    enum OperatingSystems {
        IOS,
        ANDROID
    }
}