KernelEnum.java

package com.android.pc.ioc.core.kernel;

import java.lang.reflect.Array;
import java.lang.reflect.Method;

@SuppressWarnings({ "rawtypes", "unchecked" })
public abstract class KernelEnum {

	/**
	 * @param cls
	 * @return
	 */
	public static Object[] values(Class<? extends Enum> cls) {
		return (Object[]) KernelObject.send(cls, "values");
	}

	public static <T> T[] toArray(Class<? extends Enum> cls, Class T) {
		return toArray(cls, "getValue", T);
	}

	/**
	 * @param cls
	 * @param valueMethodName
	 * @param T
	 * @return
	 */
	public static <T> T[] toArray(Class<? extends Enum> cls, String valueMethodName, Class T) {
		try {
			Method method = cls.getMethod(valueMethodName);
			return toArray(cls, method, T);

		} catch (Exception e) {
			e.printStackTrace();
		}

		return null;
	}

	/**
	 * @param cls
	 * @param valueMethod
	 * @param T
	 * @return
	 */
	public static <T> T[] toArray(Class<? extends Enum> cls, Method valueMethod, Class T) {
		Enum[] enums = cls.getEnumConstants();
		int length = enums.length;
		T[] array = (T[]) Array.newInstance(T, length);
		try {
			for (int i = 0; i < length; i++) {
				array[i] = (T) valueMethod.invoke(enums[i]);
			}

		} catch (Exception e) {
			e.printStackTrace();
		}

		return array;
	}
}