Move a file stored in the cache to the internal storage of the specified context : File « File « Android






  1. Android
  2. File
  3. File

Move a file stored in the cache to the internal storage of the specified context

    
/*
 * The MIT License
 * 
 * Copyright (c) 2010 Petar Petrov
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
//package net.vexelon.bgrates;

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.math.BigDecimal;
import java.math.MathContext;
import java.math.RoundingMode;
import java.net.URL;
import java.net.URLConnection;

import org.apache.http.util.ByteArrayBuffer;

import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.KeyEvent;


public class Utils {
  

  /**
   * Move a file stored in the cache to the internal storage of the specified context
   * @param context
   * @param cacheFile
   * @param internalStorageName
   */
  public static boolean moveCacheFile(Context context, File cacheFile, String internalStorageName) {
    
    boolean ret = false;
    FileInputStream fis = null;
    FileOutputStream fos = null;
    
    try {
      fis = new FileInputStream(cacheFile);
      
      ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
      byte[] buffer = new byte[1024];
      int read = -1;
      while( (read = fis.read(buffer) ) != -1 ) {
        baos.write(buffer, 0, read);
      }
      baos.close();
      fis.close();

      fos = context.openFileOutput(internalStorageName, Context.MODE_PRIVATE);
      baos.writeTo(fos);
      fos.close();
      
      // delete cache
      cacheFile.delete();
      
      ret = true;
    }
    catch(Exception e) {
      //Log.e(TAG, "Error saving previous rates!");
    }
    finally {
      try { if ( fis != null ) fis.close(); } catch (IOException e) { }
      try { if ( fos != null ) fos.close(); } catch (IOException e) { }
    }
    
    return ret;
  }
  
}








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