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Moving and copying files??

Posted on 2001-06-19
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Last Modified: 2010-03-31
How can I move or copy a file from one directory to another.. ??
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Question by:simlox
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6 Comments
 
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Expert Comment

by:jerch
ID: 6208247
Use renameTo method of File to move a file and use FileInputStream and FileOutputStream to copy files.
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Accepted Solution

by:
rajendra_rathod earned 50 total points
ID: 6209208
import java.io.*;
import java.util.zip.*;
import java.text.*;

import java.util.*;

public class FileManipulation
{
/**
    * The below methos will copy a user mentioned file in the user defined folder
     * @param argInputFileName,passes the absolute path of the file to be moved
    * @param argOutPutDest,passes the absolute path of the the destination folder
     * return boolean showing the status
     * throws IOException
 */
public static boolean flag = false;

public static boolean copyFile(String argInputFileName,String argOutPutDest)throws IOException
          {
               try
               {
                    File deleteFile=new File(argInputFileName);
                    String parentfolder=deleteFile.getParent();
                    int lengthvalue=parentfolder.length();
                    String filename=argInputFileName.substring(lengthvalue);
                    FileInputStream l_input = new FileInputStream(argInputFileName);
                    File l_target = new File(argOutPutDest+"\\"+filename);
                    FileOutputStream l_out = new FileOutputStream(l_target);
                    int b;
                    while( (b = l_input.read())!= (-1) )
                    {
                         l_out.write(b);
                         flag=true;
                    }
                    l_out.close();
                    l_input.close();
               }catch(IOException ex)
                {
                    System.out.println("Error"+ex.getMessage());
                }
                   
               return flag;

          }



/**
    * The below methos will save a user mentioned file with the user defined content
     * @param fileName,passes the absolute path of the file to be created and saved
    * @param contents,passes the contents of the file
     * return boolean showing the status
     * throws IOException
 */
          public static boolean saveFile(String fileName,String contents)throws IOException
          {
                if((fileName.trim().equals(""))||(contents.trim().equals("")))
                {
                      flag=false;
                }
               
                if(fileName != null)
               {                                  
                    try
                    {
                         FileOutputStream out = new FileOutputStream(fileName);    
                         byte[] buffer = new byte[contents.length()];                              
                         buffer = contents.getBytes();                              
                         out.write(buffer);                                  
                         out.close();                                        
                          flag= true;
                    }
                    catch(IOException e)
                    {                                  
                         flag= false;
                         System.out.println("Error"+e.getMessage());
                    }

               }// end if()
               return flag;
          }
     }
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Author Comment

by:simlox
ID: 6212176
brilliant... thanks a lot
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Author Comment

by:simlox
ID: 6212178
brilliant... thanks a lot
0
 
LVL 1

Expert Comment

by:rajendra_rathod
ID: 6212898
Hi,

Thank u for appritiating. U can write the same code for moving the file as copy a file. only extra thing u have to do is after copying the file delete from the source folder.

Hope i will get good grade.
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Author Comment

by:simlox
ID: 6213466
yeh... I've done just that.. thanks
0

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