com.alibaba.nacos.common.utils.ArrayUtils Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.common.utils;
import java.util.Arrays;
/**
* Array utils.
*
* @author zzq
*/
public class ArrayUtils {
private ArrayUtils() {
}
/**
* Checks if an array of Objects is empty or {@code null}.
*
* @param array the array to test
* @return {@code true} if the array is empty or {@code null}
*/
public static boolean isEmpty(final Object[] array) {
return array == null || array.length == 0;
}
/**
* Checks if the object is in the given array.
*
* The method returns {@code false} if a {@code null} array is passed in.
*
* @param array the array to search through
* @param objectToFind the object to find
* @return {@code true} if the array contains the object
*/
public static boolean contains(final Object[] array, final Object objectToFind) {
if (array == null) {
return false;
}
return Arrays.asList(array).contains(objectToFind);
}
}