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https://issues.apache.org/jira/browse/EMAIL-205?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory resolved EMAIL-205.
-----------------------------------
Fix Version/s: 1.6
Resolution: Fixed
> Possible Dead Code in EmailUtils.encodeURL()?
> ---------------------------------------------
>
> Key: EMAIL-205
> URL: https://issues.apache.org/jira/browse/EMAIL-205
> Project: Commons Email
> Issue Type: Improvement
> Reporter: Adam Emerson
> Priority: Minor
> Fix For: 1.6
>
>
> Hello,
> I was doing some testing on the library for a university project and came
> across what may be some dead code in the {{EmailUtils.encodeURL()}} function.
> The code in question is the if block at line 298:
> {code:java}
> for (final byte c : input.getBytes(US_ASCII))
> {
> int b = c;
> if (b < 0)
> {
> b = 256 + b;
> }
> ...{code}
> I realize that the
> {{b = 256 + b;}}
> condition is there as an attempt to handle the fact that bytes are signed in
> Java, however, when I look at the implementation of
> {{{}input.getBytes(US_ASCII){}}},
> I don't see any case that it can return a negative byte value.
> {{getBytes(US_ASCII)}} returns a '?' character for any non-ascii character,
> thus preventing an overflow that may result in a negative byte ('?' has a
> value of 63). This would mean that the the contents of the if statement are
> unreachable.
> If anyone with more experience has the time to take a look at this I would
> greatly appreciate it. For my own education, I would love to see a test case
> in which a negative byte value would be returned here.
> Thanks!
>
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