Java List Null Empty isNullOrEmptyList(List list)

Description

is Null Or Empty List

License

Open Source License

Declaration

public static void isNullOrEmptyList(List<? extends Object> list) 

Method Source Code

//package com.java2s;
/**/*  w ww  .  j  a v a2s  .co m*/
 * Copyright 2014 Comcast Cable Communications Management, LLC
 *
 * This file is part of CATS.
 *
 * CATS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * CATS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with CATS.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.List;

public class Main {
    public static void isNullOrEmptyList(List<? extends Object> list) {
        isNullOrEmptyList(list, "[Assertion failed] - this list is empty or null");
    }

    public static void isNullOrEmptyList(List<? extends Object> list, String message) {
        if ((null == list) || (list.isEmpty())) {
            throw new IllegalArgumentException(message);
        }
    }

    public static void isEmpty(String string) {
        isEmpty(string, "[Assertion failed] - this object is empty");
    }

    public static void isEmpty(String string, String message) {
        if (string.isEmpty()) {
            throw new IllegalArgumentException(message);
        }
    }
}

Related

1. isNullOrEmpty(List list)
2. isNullOrEmpty(List list)
3. isNullOrEmpty(List l)
4. isNullOrEmptyAwareEqual(final List targetOne, final List targetTwo)
5. isNullOrEmptyList(final List list)
6. isNullOrEmptyList(String message, List list)
7. isObjectListEmpty(List list)
8. listToItemOrNull(List list)
9. listWithoutNull(A... elements)