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package org.analogweb.util;

import java.lang.reflect.Array;

/**
 * @author snowgoose
 */
public final class ArrayUtils {

    @SuppressWarnings("unchecked")
    public static  boolean isEmpty(T... anArray) {
        return isNotEmpty(anArray) == false;
    }

    @SuppressWarnings("unchecked")
    public static  boolean isNotEmpty(T... anArray) {
        return (anArray != null && anArray.length != 0);
    }

    @SuppressWarnings("unchecked")
    public static  T[] newArray(T... objects) {
        return objects;
    }

    @SuppressWarnings("unchecked")
    public static  T[] clone(Class type, T... original) {
        return clone(type, 0, original);
    }

    @SuppressWarnings("unchecked")
    public static  T[] clone(Class type, int additionalLength, T... original) {
        if (original == null) {
            return null;
        }
        if (type == null) {
            return original;
        }
        T[] array = (T[]) Array.newInstance(type, original.length + additionalLength);
        System.arraycopy(original, 0, array, 0, original.length);
        return array;
    }

    @SuppressWarnings("unchecked")
    public static  T[] add(Class clazz, T addition, T... original) {
        T[] array = clone(clazz, 1, original);
        if (array != null) {
            array[array.length - 1] = addition;
            return array;
        }
        return null;
    }
}