package com.framework.util;

import java.beans.PropertyDescriptor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

import org.apache.commons.lang3.StringUtils;

import com.framework.annotation.NotNull;

/**
 * 自定义bean 验证
 * @author 61004
 *
 */
public class ValidatorUtil {
	
	/**
	 * 验证非空
	 * @param obj
	 * @return
	 */
	@SuppressWarnings("all")
	public static boolean notNull(Object obj) {
		boolean result = true;
		Class cls = obj.getClass();  
		NotNull notNullValidator = null;
		try {  
            Field[] fields = cls.getDeclaredFields();  
            for (Field field : fields) {  
            	notNullValidator = field.getAnnotation(NotNull.class);  
                if (notNullValidator != null) {  
                	PropertyDescriptor pd = new PropertyDescriptor(field.getName(), cls);  
                    Method getMethod = pd.getReadMethod();// 获得get方法  
                    if(getMethod.invoke(obj) == null) {
                    	return false;
                    }else{
                    	String fieldVal = getMethod.invoke(obj).toString();  
                        if (StringUtils.isBlank(fieldVal)) { 
                        	result = false;
                        	return result;
                        }
                    }
                }  
            }  
        } catch (Exception e) {  
        	e.printStackTrace();
        }  
		return result;
	}

}