POP3.setState() should not be public
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Key: NET-396
URL: https://issues.apache.org/jira/browse/NET-396
Project: Commons Net
Issue Type: Bug
Components: POP3
Affects Versions: 2.2
Reporter: Sebb
The POP3 method setState() is public. However, the state should only be
settable by library methods, not by client code, otherwise the state checks
won't work correctly.
Changing the visibility would break binary compatibility.
To maintain compatibility there could be a new method (package-private, which
would give test cases access) which is allowed to set the state. Also change
the public method to either do nothing or throw an
UnsupportedOperationException.
The getState() method can remain public.
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