On Fri, 3 Sep 2021 17:37:08 GMT, Sergey Bylokhov <s...@openjdk.org> wrote:
>> Current implementation looks like this:
>>
>> public byte[] getBytes(String charsetName)
>> throws UnsupportedEncodingException {
>> if (charsetName == null) throw new NullPointerException();
>> return encode(lookupCharset(charsetName), coder(), value);
>> }
>>
>> Null check seems to be redundant here because the same check of
>> `charsetName` is done within `String.lookupCharset(String)`:
>>
>> private static Charset lookupCharset(String csn) throws
>> UnsupportedEncodingException {
>> Objects.requireNonNull(csn);
>> try {
>> return Charset.forName(csn);
>> } catch (UnsupportedCharsetException | IllegalCharsetNameException x) {
>> throw new UnsupportedEncodingException(csn);
>> }
>> }
>
> In such cases when the specific exception throwing is removed from the method
> because it can be produced by some other used method, the test might be
> useful. So if the code in the method will be changed, or the usage of other
> method will be removed the exception still be thrown. Probably such test
> exists already, then just point to it here.
@mrserb you are right, there's such test, see
`/test/jdk/java/lang/String/Exceptions.getBytes()`, line 384.
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PR: https://git.openjdk.java.net/jdk/pull/5361
