File Copy in Java with NIO : File Commands « File Input Output « Java

Java
1. 2D Graphics GUI
2. 3D
3. Advanced Graphics
4. Ant
5. Apache Common
6. Chart
7. Class
8. Collections Data Structure
9. Data Type
10. Database SQL JDBC
11. Design Pattern
12. Development Class
13. EJB3
14. Email
15. Event
16. File Input Output
17. Game
18. Generics
19. GWT
20. Hibernate
21. I18N
22. J2EE
23. J2ME
24. JDK 6
25. JNDI LDAP
26. JPA
27. JSP
28. JSTL
29. Language Basics
30. Network Protocol
31. PDF RTF
32. Reflection
33. Regular Expressions
34. Scripting
35. Security
36. Servlets
37. Spring
38. Swing Components
39. Swing JFC
40. SWT JFace Eclipse
41. Threads
42. Tiny Application
43. Velocity
44. Web Services SOA
45. XML
Java Tutorial
Java Source Code / Java Documentation
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java » File Input Output » File CommandsScreenshots 
File Copy in Java with NIO
   

package com.java2s.tools.dev;

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

class NioBenchmark1 {
  static int size = 60// MB
  static int tests = 5;

  interface Copier {
    public void copy(File s, File tthrows IOException;
  }

  static class NioCopier implements Copier {
    public void copy(File s, File tthrows IOException {
      FileChannel in = (new FileInputStream(s)).getChannel();
      FileChannel out = (new FileOutputStream(t)).getChannel();
      in.transferTo(0, s.length(), out);
      in.close();
      out.close();
    }
  }

  static class IoCopier implements Copier {
    final int BUFF_SIZE = 1024 1024// 5MB
    final byte[] buffer = new byte[BUFF_SIZE];

    public void copy(File s, File tthrows IOException {
      InputStream in = new FileInputStream(s);
      FileOutputStream out = new FileOutputStream(t);

      while (true) {
        int count = in.read(buffer);
        if (count == -1)
          break;
        out.write(buffer, 0, count);
      }
      out.close();
      in.close();
    }
  }

  public static void main(String[] argthrows IOException {
    Copier io = new IoCopier();
    Copier nio = new NioCopier();
    nio.copy(new File("s")new File("t"));
    io.copy(new File("s")new File("t"));
  }


}

           
         
    
    
  
Related examples in the same category
1. Touch: set File Last Modified Time
2. File Copy in Java
3. Counts words in a file, outputs results in sorted form
4. Copying a file using channels and buffers
5. Copy files using Java IO APICopy files using Java IO API
6. Mimic the Unix Grep command
7. Grep tools
8. BGrep: a regular expression search utility, like Unix grep
9. File concatenation
10. Compress files using the Java ZIP API
11. Delete file using Java IO API
12. Undent - remove leading spaces
13. TeePrintStream tees all PrintStream operations into a file, rather like the UNIX tee(1) command
14. Delete a file from within Java, with error handling
15. DirTree - directory lister, like UNIX ls or DOS and VMS dirDirTree - directory lister, like UNIX ls or DOS and VMS dir
16. Program to empty a directory
17. Report on a file's status in Java
18. Simple directory lister
19. Readonly Files
20. List root directoryList root directory
21. Rename a file in Java
22. FNFilter - directory lister using FilenameFilter
23. mkdir examples
24. Program to remove files matching a name in a directory
25. Ls directory lister modified to use FilenameFilterLs directory lister modified to use FilenameFilter
26. Dir Stack Dir Stack
27. Move a File
28. Word Count
29. Diff: text file difference utility.Diff: text file difference utility.
30. Count chars in a File
31. Move File
32. Get file date and time
33. Return readable file size with selected value measure
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.