package convertertest;

import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.convert.ConverterException;

public class UserConverter implements Converter{

	/**
	 * 从前端传过来，转换成后台对象
	 * 		fc：
	 * 		arg1：
	 * 		str:前台传过来字符串
	 */
	public Object getAsObject(FacesContext fc, UIComponent arg1, String str) {
		String[] strs = str.split(",");
		User user = new User();
		try {
			user.setName(strs[0]);
			user.setAddress(strs[1]);
			}
		catch(Exception e) {
			// 转换错误，简单的丢出例外
			throw new ConverterException();
		}
		return user;
	}

	/**
	 * 从后台传出，转换成string
	 */
	public String getAsString(FacesContext arg0, UIComponent arg1, Object arg2) {
		User mu=(User)arg2;
		return (mu.getName()+","+mu.getAddress());
	}
}