com.pentacog.mctracker.SaveServerListTask.java Source code

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Here is the source code for com.pentacog.mctracker.SaveServerListTask.java

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/*
 * This work is licensed under the Creative Commons Attribution-NonCommercial 3.0 New Zealand License. 
 * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc/3.0/nz/ or send a 
 * letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
 */
package com.pentacog.mctracker;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;

import org.json.JSONArray;
import android.content.Context;
import android.os.AsyncTask;

/**
 * @author Affian
 *
 */
public class SaveServerListTask extends AsyncTask<ArrayList<Server>, Void, Void> {

    private Context context;

    /**
     * 
     */
    public SaveServerListTask(Context context) {
        this.context = context.getApplicationContext();
    }

    /* (non-Javadoc)
     * @see android.os.AsyncTask#doInBackground(Params[])
     */
    @Override
    protected Void doInBackground(final ArrayList<Server>... params) {
        File serverFile = new File(context.getFilesDir(), MCServerTrackerActivity.SERVER_CACHE_FILE);
        try {
            if (!serverFile.exists()) {
                serverFile.createNewFile();
            }
            BufferedWriter bw = new BufferedWriter(new FileWriter(serverFile), 4000);

            JSONArray array = new JSONArray();
            for (Server server : params[0]) {
                array.put(server.toJSON());
            }

            bw.write(array.toString());
            bw.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

        context = null;
        return null;
    }

}