verifyutils.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.ui.utils;

import javax.swing.JComboBox;
import javax.swing.text.JTextComponent;

import com.cownew.PIS.common.validator.VerifyException;
import com.cownew.PIS.ui.ctrl.prompt.PopupDatePicker;
import com.cownew.PIS.ui.ctrl.prompt.OVPicker.PopupValueObjectPicker;
import com.cownew.ctk.common.StringUtils;

/**
 * 验证工具类
 * @author 杨中科
 *
 */
public class VerifyUtils
{
	/**
	 * 验证文本框是否为空
	 * @param txt
	 * @param name
	 */
	public static void checkEmpty(JTextComponent txt,String name)
	{
		if(StringUtils.isEmpty(txt.getText()))
		{
			throw new VerifyException(VerifyException.CANNOTEMPTY,new Object[]{name});
		}
	}
	
	/**
	 * 验证JComboBox是否为空
	 * @param combo
	 * @param name
	 */
	public static void checkEmpty(JComboBox combo,String name)
	{
		if(combo.getSelectedIndex()<0)
		{
			throw new VerifyException(VerifyException.CANNOTEMPTY,new Object[]{name});
		}
	}
	
	/**
	 * 验证PopupValueObjectPicker是否为空
	 * @param picker
	 * @param name
	 */
	public static void checkEmpty(PopupValueObjectPicker picker,String name)
	{
		if(picker.getValueObject()==null)
		{
			throw new VerifyException(VerifyException.CANNOTEMPTY,new Object[]{name});
		}
	}
	
	/**
	 * 验证PopupDatePicker是否为空
	 * @param picker
	 * @param name
	 */
	public static void checkEmpty(PopupDatePicker picker,String name)
	{
		if(picker.getDate()==null)
		{
			throw new VerifyException(VerifyException.CANNOTEMPTY,new Object[]{name});
		}
	}
}