Use Wildcard-Generics in API where possible and plausible
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Key: FTPSERVER-274
URL: https://issues.apache.org/jira/browse/FTPSERVER-274
Project: FtpServer
Issue Type: Improvement
Affects Versions: 1.0.0-RC2
Reporter: Steve Ulrich
Fix For: 1.0.0
Currently the API doesn't make use of wildcard generic types.
Example FtpFile:
public abstract List<FtpFile> listFiles();
The used generic for the return type prevents users from returning lists with
their own type (ie: List<MyFtpFile>).
A change to:
public abstract List<? extends FtpFile> listFiles();
Would allow this without any costs (or I just can't see them *g*)
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