package com.demo.struts2.common;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

import com.demo.struts2.util.Constants;
import com.opensymphony.xwork2.ActionContext;

public class BaseAction extends ActionSupport {
	
	private static final long serialVersionUID = -7509152655359967096L;

	// 取得當前登錄的用戶名
	protected String getLoginUsername() {
		return (String) ActionContext.getContext().getSession().get(
				Constants.USERNAME_KEY);
	}

	// 判斷當前用戶是否超時
	protected boolean isTimeout() {
		if (ActionContext.getContext().getSession().get(Constants.USERNAME_KEY) == null) {
			return true;
		} else {
			return false;
		}
	}

	// 檢查Session對象是否存在
	protected boolean isExistSession(String key) {
		if (ActionContext.getContext().getSession().get(key) != null) {
			return true;
		} else {
			return false;
		}
	}

	// 保存Session對象
	protected void setSession(String key, Object obj) {
		ActionContext.getContext().getSession().put(key, obj);
	}

	// 取得Session對象
	protected Object getSession(String key) {
		return ActionContext.getContext().getSession().get(key);
	}
	
	// 保存一條錯誤
	protected void saveActionError(String key) {
		super.addActionError(super.getText(key));
	}
	
	// 保存一個消息
	protected void saveActionMessage(String key) {
		super.addActionMessage(super.getText(key));
	}
	
	// 取得查詢的URL
	protected String getRequestPath() {
		return (String)ServletActionContext.getRequest().getServletPath();
	}
}