package cn.gov.csdn.base.action;

import java.lang.reflect.ParameterizedType;

import org.apache.struts2.convention.annotation.ParentPackage;

import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.opensymphony.xwork2.Preparable;
/**
* File:    BaseAction.java
* Author:  admin
* Version: 1.0
* Date:    2014/01/02 15:33
* Modify:
* Description:用于继承
* Copyright csdn
 */
//这个值是定义在XML里的拓展包
@ParentPackage("basePackage")
//实现Preparable为了给模型在传给页面之前赋值
public class BaseAction<T> extends ActionSupport implements Preparable,
		ModelDriven<T> {

	private static final long serialVersionUID = -1314560516485837572L;

	public int offset = 10;// 每页显示记录数

	public int pageNo = 1; // 接收页号

	public T model;

	private String message;

	public String getMessage() {
		return message;
	}

	public void setMessage(String message) {
		this.message = message;
	}

	@SuppressWarnings( { "rawtypes", "unchecked" })
	public BaseAction() {
		try {
			ParameterizedType type = (ParameterizedType) this.getClass()
					.getGenericSuperclass();
			Class clazz = (Class) type.getActualTypeArguments()[0];
			model = (T) clazz.newInstance();
		} catch (Exception e) {
			e.printStackTrace();
		}
		ThreadLocal thread = new ThreadLocal();
		thread.set(offset);
	}

	public void prepare() throws Exception {
	}

	public T getModel() {
		return model;
	}

}