package com.test.action;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONObject;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

public class BaseAction extends ActionSupport {

	/**
	 * 
	 */
	private static final long serialVersionUID = 8224570550172140065L;
	public static final String LIST = "list";
	public static final String DETAIL = "detail";
	public static final String ADD = "add";
	public static final String EDIT = "edit";
	public static final String STATUS = "status";
	public static final String WARN = "warn";
	public static final String SUCCESS = "success";
	public static final String ERROR = "error";
	public static final String MESSAGE = "message";
	public static final String CONTENT = "content";
	
	protected String[] ids;
	protected Integer id;
	protected Long bigId;
	protected String logInfo;// 日志记录信息
	protected String redirectionUrl;// 操作提示后的跳转URL,为null则返回前一页
	public String input() {
		return null;
	}

	// 获取Attribute
	public Object getAttribute(String name) {
		return ServletActionContext.getRequest().getAttribute(name);
	}

	// 设置Attribute
	public void setAttribute(String name, Object value) {
		ServletActionContext.getRequest().setAttribute(name, value);
	}

	// 获取Parameter
	public String getParameter(String name) {
		return getRequest().getParameter(name);
	}

	// 获取Parameter数组
	public String[] getParameterValues(String name) {
		return getRequest().getParameterValues(name);
	}

	// 获取Session
	public Object getSession(String name) {
		ActionContext actionContext = ActionContext.getContext();
		Map<String, Object> session = actionContext.getSession();
		return session.get(name);
	}

	// 获取Session
	public Map<String, Object> getSession() {
		ActionContext actionContext = ActionContext.getContext();
		Map<String, Object> session = actionContext.getSession();
		return session;
	}

	// 设置Session
	public void setSession(String name, Object value) {
		ActionContext actionContext = ActionContext.getContext();
		Map<String, Object> session = actionContext.getSession();
		session.put(name, value);
	}

	// 获取Request
	public HttpServletRequest getRequest() {
		return ServletActionContext.getRequest();
	}

	// 获取Response
	public HttpServletResponse getResponse() {
		return ServletActionContext.getResponse();
	}

	// 获取Application
	public ServletContext getApplication() {
		return ServletActionContext.getServletContext();
	}

	// AJAX输出，返回null
	public String ajax(String content, String type) {
		try {
			HttpServletResponse response = ServletActionContext.getResponse();
			response.setContentType(type + ";charset=UTF-8");
			response.setHeader("Pragma", "No-cache");
			response.setHeader("Cache-Control", "no-cache");
			response.setDateHeader("Expires", 0);
			response.getWriter().write(content);
			response.getWriter().flush();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return null;
	}

	// AJAX输出文本，返回null
	public String ajaxText(String text) {
		return ajax(text, "text/plain");
	}

	// AJAX输出HTML，返回null
	public String ajaxHtml(String html) {
		return ajax(html, "text/html");
	}

	// AJAX输出XML，返回null
	public String ajaxXml(String xml) {
		return ajax(xml, "text/xml");
	}

	// 根据字符串输出JSON，返回null
	public String ajaxJson(String jsonString) {
		return ajax(jsonString, "text/html");
	}
	
	// 根据Map输出JSON，返回null
	public String ajaxJson(Map<Object, Object> jsonMap) {
		JSONObject jsonObject = JSONObject.fromObject(jsonMap);
		return ajax(jsonObject.toString(), "text/html");
	}
	
	// 输出JSON警告消息，返回null
	public String ajaxJsonWarnMessage(String message) {
		Map<String, String> jsonMap = new HashMap<String, String>();
		jsonMap.put(STATUS, WARN);
		jsonMap.put(MESSAGE, message);
		JSONObject jsonObject = JSONObject.fromObject(jsonMap);
		return ajax(jsonObject.toString(), "text/html");
	}
	
	// 输出JSON成功消息，返回null
	public String ajaxJsonSuccessMessage(String message) {
		Map<String, String> jsonMap = new HashMap<String, String>();
		jsonMap.put(STATUS, SUCCESS);
		jsonMap.put(MESSAGE, message);
		JSONObject jsonObject = JSONObject.fromObject(jsonMap);
		return ajax(jsonObject.toString(), "text/html");
	}
	
	// 输出JSON错误消息，返回null
	public String ajaxJsonErrorMessage(String message) {
		Map<String, String> jsonMap = new HashMap<String, String>();
		jsonMap.put(STATUS, ERROR);
		jsonMap.put(MESSAGE, message);
		JSONObject jsonObject = JSONObject.fromObject(jsonMap);
		return ajax(jsonObject.toString(), "text/html");
	}
	
	// 设置页面不缓存
	public void setResponseNoCache() {
		getResponse().setHeader("progma", "no-cache");
		getResponse().setHeader("Cache-Control", "no-cache");
		getResponse().setHeader("Cache-Control", "no-store");
		getResponse().setDateHeader("Expires", 0);
	}

	public String[] getIds() {
		return ids;
	}

	public void setIds(String[] ids) {
		this.ids = ids;
	}


	public String getLogInfo() {
		return logInfo;
	}

	public void setLogInfo(String logInfo) {
		this.logInfo = logInfo;
	}

	public String getRedirectionUrl() {
		return redirectionUrl;
	}

	public void setRedirectionUrl(String redirectionUrl) {
		this.redirectionUrl = redirectionUrl;
	}

	public Integer getId() {
		return id;
	}

	public void setId(Integer id) {
		this.id = id;
	}

	public Long getBigId() {
		return bigId;
	}

	public void setBigId(Long bigId) {
		this.bigId = bigId;
	}
}