package com.lonshin.chexiaodi.http;

import java.util.Date;

import java.util.List;

import java.util.Set;

import java.util.Timer;

import java.util.TimerTask;

import java.util.TreeSet;

import org.apache.http.NameValuePair;

import org.apache.http.message.BasicNameValuePair;

import com.krislq.sliding.MyApplication;

import android.content.Context;

import android.content.ContextWrapper;

import android.content.SharedPreferences;

import android.util.Log;

/**

* to check if the local JSONResult exist

*

* and do the write and read

* @author linsen

*

*/

public class SPTool {

SharedPreferences sp;

SharedPreferences.Editor editor;

private SPTool(){

sp = MyApplication.getInstance().getSharedPreferences("Result", Context.MODE_WORLD_READABLE);

editor = sp.edit();

}

private static SPTool instance = new SPTool(){};

public static SPTool getInstance(){

return instance;

}

/**

* 判断是否有本地json 而且是没过期的

*

* @return

*/

public boolean hasSDResult(List<NameValuePair> params){

// Log.d("httplocal-in Sdjr",String.valueOf(sp.contains(params.toString())));

long oldT = 0;

long newT = 0;

//取得保存的String当时的时间oldT

if(sp.contains(params.toString())){

String s = sp.getString(params.toString(), null);

if(s.contains("#")){

String[] str = s.split("#");

oldT = Long.parseLong(str[0]);

newT = new Date().getTime();

}

}

//设置过期时间为1小时---若测试用则设为3秒

if(((newT-oldT)<5000)&&((newT-oldT)>0)){

return true;

}else{

return false;

}

}

/**

* 访问结果访问到本地

* @param params

* @param result

*/

public void saveToSD(List<NameValuePair> params , String result){

//在保存的String中增加一个time及符号"#"

String time = String.valueOf(new Date().getTime());

String result01 = time+"#"+result;

editor.putString(params.toString(), result01);

editor.commit();

Log.d("httplocal-in Sdjr","saveToSD"+params.toString());

}

/**

* 获取本地保存的访问结果

* @param params

* @return

*/

public String getSDResult(List<NameValuePair> params){

Log.d("httplocal" , "getSDResult");

String s = sp.getString(params.toString(), null);

//取得数据时,去掉附加的time信息

if(s.contains("#")){

String[] str = s.split("#");

return str[1];

}else{

return s;

}

}

}