有效性校验

package cn.yang.commons;

 

import java.util.Collection;

import java.util.Objects;

 

/**

 * Created by Yang on 2014/12/19

 */

public class ValidateUtils {

    /**

     * 判断字符串的有效性

     * @param paramString 待判断字符串

     * @return boolean

     */

    public static boolean isValid(String paramString){

        return !(paramString==null || paramString.trim().isEmpty());

    }

 

    /**

     * 判断集合的有效性

     * @param collection 待判断的集合

     * @return boolean

     */

    public static boolean isValid(Collection collection){

        return !(collection==null || collection.isEmpty());

    }

 

    /**

     * 判断数组是否有效

     * @param arr 带判断数组

     * @return boolean

     */

    public static boolean isValid(Object[] arr){

        return !(arr==null || arr.length==0);

    }

}