Activity Cache

package com.unlu.co

import java.util.concurrent.ConcurrentHashMap;
import com.google.gson.Gson;

import org.json.JSONObject;


public class CacheManager {

    private static CacheManagerServiceData mCacheManager;
    private Gson gson = new Gson();
    public static ConcurrentHashMap<String, String> mActivityCache = new ConcurrentHashMap<String, String>();
    public static ConcurrentHashMap<String, JSONObject> mActivityJsonCache = new ConcurrentHashMap<String, JSONObject>();

    public static synchronized CacheManagerServiceData getInstance() {
        if (mCacheManager == null)
            mCacheManager = new CacheManagerServiceData();
        return mCacheManager;
    }

    public CacheManager() {
        if (mActivityCache == null) {
            mActivityCache = new ConcurrentHashMap<String, String>();
        }
        if (mActivityJsonCache == null) {
            mActivityJsonCache = new ConcurrentHashMap<String, JSONObject>();
        }
    }

    public <T> void setActivityCache(String name, T data)
    {
        String _dataString;
        if(JSONObject.class == data.getClass())
        {
            mActivityJsonCache.put(name, (JSONObject) data);
        }
        else
        {
            _dataString = gson.toJson(data);
            mActivityCache.put(name,_dataString);
        }

    }

    public <T> T getActivityCache(String name, Class<T> clazz)
    {
        String _string;
        JSONObject _jsonObject;
        T _returnObject = null;
        try {
            if(clazz == JSONObject.class)
            {
                _jsonObject = mActivityJsonCache.get(name);
                _returnObject = (T) _jsonObject;
            }
            else
            {
                _string = mActivityCache.get(name);
                _returnObject = gson.fromJson(_string,clazz);
            }

        }
        catch (Exception e)
        {
            e.printStackTrace();
        }

        return _returnObject;
    }

    public void removeActivityCache(String name)
    {
        if(mActivityCache.contains(name))
        {
            mActivityCache.remove(name);
        }
        else
        {
            mActivityJsonCache.remove(name);
        }

    }

    public static void dropAllCacheData() {
        if (mActivityCache != null)
        {
            mActivityCache.clear();
        }

        if (mActivityJsonCache != null)
        {
            mActivityJsonCache.clear();
        }
    }
}

Selam , 2 sene sonra bu mesaji yeni gordum kusuruma bakmayin :) Ben bu cachi androidde kullaniyordum. Cache datasini de File Systeme yazmak icin Android'deki share preference apisini kullaniyorum. O da String istiyor datayi o yuzden yapmistim