Copy a file from one location to another. : Location « Hardware « Android

1. Android
2. Hardware
3. Location

Copy a file from one location to another.

 
//package bander.fileman.util;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;

/** Utility class containing File-related helper functions. */
public class FileUtils {

  /**
   * Copy a file from one location to another.
   * 
   * @param sourceFile
   *            File to copy from.
   * @param destFile
   *            File to copy to.
   * @return True if successful, false otherwise.
   * @throws IOException
   */
  public static Boolean copyFile(File sourceFile, File destFile)
      throws IOException {
    if (!destFile.exists()) {
      destFile.createNewFile();

      FileChannel source = null;
      FileChannel destination = null;
      try {
        source = new FileInputStream(sourceFile).getChannel();
        destination = new FileOutputStream(destFile).getChannel();
        destination.transferFrom(source, 0, source.size());
      } finally {
        if (source != null)
          source.close();
        if (destination != null)
          destination.close();
      }
      return true;
    }
    return false;
  }

  /**
   * Read a text file into a String.
   * 
   * @param file
   *            File to read (will not seek, so things like /proc files are
   *            OK).
   * @return The contents of the file as a String.
   * @throws IOException
   */
  public static String readTextFile(File file) throws IOException {
    byte[] buffer = new byte[(int) file.length()];
    BufferedInputStream stream = new BufferedInputStream(
        new FileInputStream(file));
    stream.read(buffer);
    stream.close();

    return new String(buffer);
  }

}

   
  

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