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Sitecommand in org.apache.commons.ftp against a mainframe - has file already been uploaded

Posted on 2003-10-31
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Last Modified: 2012-06-27
I have this

            try {
                  siteCommand = "LRECL=" + lrecl;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  siteCommand = "BLOCKSIZE=" + blksize;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  siteCommand = "RECFM=" + recfm;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  siteCommand = "VOLUME=" + theVolume;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  siteCommand = spaceType;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  siteCommand = "PRIMARY=" + primarySpace;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  siteCommand = "SECONDARY=" + secondarySpace;
                  ftpReply = ftp.site(siteCommand);
                  showMsg(ftp.getReplyString() + ": " + siteCommand, verbose);
                  // No port command necessary
                  FileInputStream local = new FileInputStream(fileName);
                  if (ftp.storeFile(mvsFileName, local)) {
                        showMsg("Stored Ok:" + ftp.getReplyString(), true);
                  }
                  else
                        showMsg("Problems storing:" + ftp.getReplyString(), verbose);
                  local.close();
                  return true;
            }
Any way I can figure out before I do the stor if the file already exists or do I have to do an LS or such
And if so, how do I do that and get the data into an form where I can test the existence of the file???
Thanks

Michel

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Question by:Michel Plungjan
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Expert Comment

by:CEHJ
ID: 9657877
It certainly will need some kind of listing. Look at FTPFileList
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Author Comment

by:Michel Plungjan
ID: 9658485
Any chance of finding me an example?
The apache javadoc is as terse as anything I have read...

Thanks
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LVL 86

Accepted Solution

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CEHJ earned 250 total points
ID: 9658610
None that I can find. I can give you a couple of tips from looking at the docs:

1. use FTPClient not FTP, if you're not already doing that
2. call createFileList on the FTPClient, using your own FTPFileEntryParser with an implementation that closes the stream if the entry is found and returns a FTPFileList of one element, null otherwise
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LVL 75

Author Comment

by:Michel Plungjan
ID: 9659150
Why would I not use ftp???
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Author Comment

by:Michel Plungjan
ID: 9659152
thanks by the way
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LVL 86

Expert Comment

by:CEHJ
ID: 9665981
>>Why would I not use ftp???

Because it's a superclass of FTPClient with reduced functionality (at a fairly quick glance)
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