CollectionUtil.java

package org.framework.util;

import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.collections4.MapUtils;

import java.util.Collection;
import java.util.Map;

/**
 * Created by lizhaoz on 2015/12/16.
 */

public class CollectionUtil {
    /**
     * 判断 Collection 是否为空
     */
    public static boolean isEmpty(Collection<?> collection) {
        return CollectionUtils.isEmpty(collection);
    }

    /**
     * 判断 Collection 是否非空
     */
    public static boolean isNotEmpty(Collection<?> collection) {
        return !isEmpty(collection);
    }

    /**
     * 判断 Map 是否为空
     */
    public static boolean isEmpty(Map<?, ?> map) {
        return MapUtils.isEmpty(map);
    }

    /**
     * 判断 Map 是否非空
     */
    public static boolean isNotEmpty(Map<?, ?> map) {
        return !isEmpty(map);
    }
}