Sorry, I don’t follow. 
Why not get the appender’s layout and get the charset by calling getCharset()?



> On Mar 7, 2018, at 7:21, Gary Gregory <garydgreg...@gmail.com> wrote:
> 
> Here is my current use case: I'd like to be able to query getContentType()
> on an FILE appender (File, RollingFile, RAF, ...) and get the proper
> charset if the layout for that appender defines it.
> 
> Gary
> 
>> On Tue, Mar 6, 2018 at 3:16 PM, Matt Sicker <boa...@gmail.com> wrote:
>> 
>> Not all MIME types actually use the encoding parameter. For example,
>> "application/json;charset=UTF-8" is technically an invalid MIME type (it's
>> supposed to be "application/json", and it's assumed to be UTF-8 because
>> that's the only official charset for JSON). Providing the charset
>> separately makes semantic sense to me.
>> 
>>> On 6 March 2018 at 16:04, Gary Gregory <garydgreg...@gmail.com> wrote:
>>> 
>>> Right. AbstractStringLayout says:
>>> 
>>>    @Override
>>>    public Charset getCharset() {
>>>        return charset;
>>>    }
>>> 
>>>    /**
>>>     * @return The default content type for Strings.
>>>     */
>>>    @Override
>>>    public String getContentType() {
>>>        return "text/plain";
>>>    }
>>> 
>>> Gary
>>> 
>>> 
>>> 
>>> On Tue, Mar 6, 2018 at 2:52 PM, Remko Popma <remko.po...@gmail.com>
>> wrote:
>>> 
>>>> (Away from pc) by “use”, do you mean that the string returned by
>>>> getContentType() doesn’t include a charset?
>>>> 
>>>> From memory, I remember the only place this method is used is in the
>>>> HtmlAppender. Are there other places?
>>>> 
>>>> (Shameless plug) Every java main() method deserves http://picocli.info
>>>> 
>>>>> On Mar 7, 2018, at 1:37, Gary Gregory <garydgreg...@gmail.com>
>> wrote:
>>>>> 
>>>>> Hi All,
>>>>> 
>>>>> It looks
>>>>> like org.apache.logging.log4j.core.layout.AbstractStringLayout.
>>>> getContentType()
>>>>> does NOT use its charset.
>>>>> 
>>>>> Can anyone foresee a problem with fixing this?
>>>>> 
>>>>> Gary
>>>> 
>>> 
>> 
>> 
>> 
>> --
>> Matt Sicker <boa...@gmail.com>
>> 

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