判断字符串是枚举类型中的值

public class TestEnum {
public enum AUDIO_CONTAINER_TYPE {
Ogg, None
};

public static void main(String args[]) {

    String a = "Ogg";
    AUDIO_CONTAINER_TYPE type = AUDIO_CONTAINER_TYPE.valueOf(a);
    switch (type) {
        case Ogg:
            System.out.println("is Ogg");
            break;
        case None:
            System.out.println("None");
            break;
    }


}

}