java大量变量非空校验

package com.util;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

/**
 * 参数校验
 * 实例:
 * CheckParametersUtil.getInstance()
 *			.put(loginUserId, "loginUserId")
 *			.put(branId, "branId")
 *			.put(shelfNo, "shelfNo")
 *			.put(newShelfNo, "newShelfNo")
 *			.checkParameter();
 * @ClassName: CheckParametersUtil
 * @Description:TODO
 * @author: XuWei
 * @date: 2017年11月28日
 * 
 * 
 */
public class CheckParametersUtil {

	Map
 
   map = new HashMap<>();

	/**
	 * 添加需要校验的参数
	 * @param object 实参
	 * @param parameterName 参数名称
	 * @return CheckParametersUtil
	 * @author: XuWei
	 */
	public CheckParametersUtil put(Object object, String parameterName) {
		map.put(parameterName, object);
		return this;
	}
	/**
	 * 获取CheckParametersUtil实例
	 * @return CheckParametersUtil
	 * @author: XuWei
	 */
	public static CheckParametersUtil getInstance(){
		return new CheckParametersUtil();
	}
	
	/**
	 * 校验
	 * @return DataMessage
	 * @author: XuWei
	 * @throws Exception 
	 */
	public void checkParameter() throws Exception {
		for(Entry
  
    entry : map.entrySet()) { if(isEmpty(entry.getValue())){ throw new Exception("参数【" + entry.getKey() + "】为空" ); } } } public String toString(Object object) { return object == null ? "" : object.toString(); } public boolean isEmpty(Collection collection) { return collection == null || collection.isEmpty(); } public boolean isEmpty(Map map) { return map == null || map.isEmpty(); } public boolean isEmpty(String string) { return toString(string).isEmpty(); } public boolean isEmptyTrim(String string) { return toString(string).trim().isEmpty(); } public boolean isEmpty(Object object) { return toString(object).isEmpty(); } public boolean isEmptyTrim(Object object) { return toString(object).trim().isEmpty(); } public 
   
     boolean isEmpty(T[] array) { return array == null || array.length == 0; } }