org.joyqueue.toolkit.lang.ListUtil Maven / Gradle / Ivy

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/**
 * Copyright 2019 The JoyQueue Authors.
 *
 * 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 org.joyqueue.toolkit.lang;

import java.util.List;

/**
 * ListUtil
 *
 * author: gaohaoxiang
 * date: 2019/2/19
 */
public class ListUtil {

    public static Long[] toArray(List list) {
        if (list == null || list.isEmpty()) {
            return new Long[0];
        }
        Long[] result = new Long[list.size()];
        for (int i = 0; i < list.size(); i++) {
            result[i] = list.get(i);
        }
        return result;
    }
}