OS/2 Shareware BBS: 35 Internet/35-Internet.zip/weasl101.zip/SendFileByftpSun.java

Text File | 1996-10-21 | 5KB | 199 lines

import sun.net.*;
import sun.net.ftp.*;
import java.io.*;

/*
Uses the undocumented sun.* classes to send a file to an ftp host
*/
class SendFileByftpSun extends FtpClient
{
String HostName = "";
String UserName = "";
String Password = "";
String HostDirectory = "";
String HostFileName;
File     FileToPut;

/*---------------------------------------------------------------
---------------------------------------------------------------*/
SendFileByftpSun( String FToSend, String HName, String UName, String PWord,
                                    String HDirectory, String HFName )
    {
   /* Split filespec into directory and file */
   FileToPut = new File( FToSend );

    if( !FileToPut.exists() || !FileToPut.canRead() || !FileToPut.isFile() )
         {
      System.err.println( "Can't open file for reading " + FileToPut );
      System.exit(-1);
         }
   /*
   int EndOfDir = FToSend.lastIndexOf( File. separatorChar );
   if( EndOfDir < 0 )
      {
       FileToPutDirectory = "";
        FileToPutName = FToSend;
        }
    else
         {
      if( EndOfDir < FToSend.length()-1 )
          {
          FileToPutDirectory = FToSend.substring( 0, EndOfDir );
            FileToPutName = FToSend.substring( EndOfDir+1 );
           }
     else
            {
         System.err.println( "Source file is a directory" );
         return;
         }
      System.out.println( "Source directory = " + FileToPutDirectory );
      System.out.println( "Source file = " + FileToPutName );
      }
   */

   HostName = HName;
   UserName = UName;
   Password = PWord;
   HostDirectory = HDirectory;
   if( HFName != null && HFName.length() != 0 )
       {
      HostFileName = HFName;
      }
   else
      {    /* Destination file name not specified, use source file name */
       HostFileName = FileToPut.getName();
        }

   System.out.print( "Opening host..." );
   try
      {
      openServer( HostName );
      }
   catch( IOException e )
      {
        System.out.println( "Error: Unable to open host: " + HostName );
          return;
      }
    System.out.println( "Ok: " + HostName );

     /* login */
//    System.out.println( "Logging into server..." );
   try
      {
      login( UserName, Password );
      }
   catch( IOException e )
      {
        System.out.println( "Error: Unable to login " );
          return;
      }

   try
      {
        binary();
          }
   catch( IOException e )
      {
      System.out.println( "Unable to set binary transfer mode" );
      }

    if( HostDirectory != null && HostDirectory.length() > 0 )
         {
         /* Change host directory */

//        System.out.println( "Changing directory on host..." );
       try
          {
          cd( HostDirectory );
          }
       catch( IOException e )
          {
            System.out.println( "Error: Unable to change to remote directory: "  + HostDirectory );
              return;
             }
      }

/* not needed, file overwrites anyway
    System.out.println( "Deleting remote file..." );
   try
      {
        issueCommand( "DELE " + HostFileName );
      }
   catch( IOException e )
      {
        System.out.println( "Error: Unable to delete remote file: "  + HostFileName );
      }
*/

    /* PUT file */
    System.out.println( "Sending file to host..." );
   try
      {
        TelnetOutputStream out = put( HostFileName );
          FileInputStream fin= new FileInputStream( FileToPut.getPath() );
        int chr;

        /* This could probably be speeded up (currently does a char by char copy) */
          for( long size = fin.available(); size>0; size-- )
            {
          chr = fin.read();
          out.write( (char)chr );
           out.flush();
         }
      fin.close();
      out.close();
      }
   catch( IOException e )
      {
        System.out.println( "Error: " + e );
        System.out.println( "Error: Unable to 'put' file onto host " );
      }
    System.out.println( "Closing FTP session" );
    /* Terminate session */
     try
          {
         closeServer();
       }
   catch( IOException e )
      {
        System.out.println( "Error: Unable to close host: " + HostName );
          return;
      }
   }

/*---------------------------------------------------------------
Test main for 'SendFileByftpSun'.

Uploads a file using FTP, probably extremely useful by itself ;)
---------------------------------------------------------------*/
public static void main( String args[] )
   {
   String HFName = null;
   String HDir = null;

    if( args.length < 4 )
         {
      System.out.println();
      System.out.println( "Too few parameters" );
      System.out.println();
      System.out.println( "Usage: " );
      System.out.println( "   src_filespec ftphostname username password [remotedirspec] [remotefilename] " );
      System.out.println();
      System.exit(-1);
         }

    if( args.length > 4 )
         {                       /* Optional parameters */
      HDir = args[4];
         if( args.length > 5 )
             {
              HFName = args[5];
             }
      }

    SendFileByftpSun trans = new SendFileByftpSun( args[0], args[1], args[2], args[3], HDir, HFName );
   }
}