[jira] [Created] (CAMEL-6009) camel-ftp - Improved logic for traversing directories with stepwise enabled

["Claus Ibsen (JIRA)" <ji...@apache.org>]

Claus Ibsen created CAMEL-6009:
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             Summary: camel-ftp - Improved logic for traversing directories with stepwise enabled
                 Key: CAMEL-6009
                 URL: https://issues.apache.org/jira/browse/CAMEL-6009
             Project: Camel
          Issue Type: Improvement
          Components: camel-ftp
            Reporter: Claus Ibsen
             Fix For: Future


See CAMEL-5574 with some comments

The logic how Camel does recursive directory scanning on FTP components could be improved. In some cases it does a fair bit of directory changes. And also the logic for going to parent dir, could be improved for SFTP to use cd .. instead.

Thought its in the fist poll we can really improve as well. What we should do is to at first poll to CD into the starting directory, only once.

And then the existing logic can traverse the dirs, and when its done, the current dir is at the starting dir.

Then we dont need to remember the beginning dir, and then change back to that when the poll is complete. 
eg we just CD into the starting dir the 1st time, and dont do that for 2+ polls.

For that we need to have a state to remember this. And also if we need to re-login etc, then that state must be cleared. 

So 2 optimizes

1) How we do changeToParentDirectory
2) CD to starting directory on 1st poll (need state to remember)

PS: starting directory = then directory configured on the ftp endpoint. Sometimes it may not be configured if you should just start from the "home" directory.


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