Android Open Source - Test-SimpleTwitterClient File Worker

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.example.Twitter_Android.Logic;
//from  w  w  w  .  j av  a2 s  . c  om
import android.app.Activity;
import android.content.Context;
import org.scribe.model.Token;

import java.io.*;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;

public class FileWorker {
  private static final String tokenFilename = "SavedAccessToken.bin";
  private final Activity activity;
  private Token accessToken = null;

  public FileWorker(Activity activity) {
    this.activity = activity;
  }

  public boolean loadAccessToken() {
    File file = new File(activity.getFilesDir(), tokenFilename);
    if (file.length() > 0) {
      try {
        FileChannel read = new FileInputStream(file).getChannel();
        /*
          ? ????? ???????? ?????? ?????. ?.?. ??? ?????? ????????? ????? ????, ??
          ????? ????????? ?? int.
         */
        ByteBuffer buffer = ByteBuffer.allocateDirect((int) file.length());
        read.read(buffer);
        accessToken = (Token) new ObjectInputStream(new ByteArrayInputStream(buffer.array())).readObject();
        buffer.clear();
        read.close();
      } catch (FileNotFoundException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      } catch (ClassNotFoundException e) {
        e.printStackTrace();
      }
    }
    return accessToken != null;
  }

  /**
   * ????????? accessToken ? ????.
   *
   * @param token accessToken ??? ??????????.
   * @throws IOException
   */
  public void saveAccessToken(Token token) throws IOException {
    final FileOutputStream fos = activity.openFileOutput(tokenFilename, Context.MODE_PRIVATE);
    final ObjectOutputStream oos = new ObjectOutputStream(fos);
    oos.writeObject(token);
    oos.flush();
    oos.close();
  }

  public Token getAccessToken() {
    return accessToken;
  }
}

Java Source Code List

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