Mercurial > hg > blitz_stable

annotate src/org/dancres/io/FileCopier.java @ 27:511648fa4d64 Version 2.1

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Version to 2.1
author Dan Creswell <dan.creswell@gmail.com>
date Mon, 04 Jan 2010 13:00:40 +0000
parents 3dc0c5604566
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3dc0c5604566 Initial checkin of blitz 2.0 fcs - no installer yet.
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1 package org.dancres.io;
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2
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3 import java.io.*;
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4 import java.nio.channels.*;
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5 import java.nio.*;
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6
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7 public class FileCopier {
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8 private ByteBuffer theBuffer =
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9 ByteBuffer.allocateDirect(16 * 1024 * 1024);
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10
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11 public FileCopier() {
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12 }
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13
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14 /**
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15 Pass file name and directory to copy it to
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16 */
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17 public static void main(String args[]) {
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18 try {
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19 File myIn = new File(args[0]);
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20 File myOut = new File(args[1]);
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21
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22 FileCopier myCopier = new FileCopier();
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23
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24 long myStart = System.currentTimeMillis();
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25
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26 myCopier.copy (myIn, myOut);
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27
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28 long myEnd = System.currentTimeMillis();
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29
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30 // System.out.println("Total time: " + (myEnd - myStart));
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31
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32 } catch (Exception anE) {
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33 anE.printStackTrace(System.err);
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34 }
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35 }
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36
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37 public void copy(File aSource, File aDestDir) throws IOException {
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38 FileInputStream myInFile = new FileInputStream(aSource);
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39
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40 FileOutputStream myOutFile =
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41 new FileOutputStream(new File(aDestDir, aSource.getName()));
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42
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43 FileChannel myIn = myInFile.getChannel();
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44 FileChannel myOut = myOutFile.getChannel();
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45
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46 boolean end = false;
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47
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48 while (true) {
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49
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50 int myBytes = myIn.read(theBuffer);
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51
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52 if (myBytes != -1) {
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53 theBuffer.flip();
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54
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55 myOut.write(theBuffer);
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56
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57 theBuffer.clear();
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58 } else
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59 break;
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60 }
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61
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62 myIn.close();
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63 // myOut.force(false);
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64 myOut.close();
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65 myInFile.close();
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66 myOutFile.close();
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67
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68 long myEnd = System.currentTimeMillis();
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69 }
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70 }