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https://issues.apache.org/jira/browse/CAMEL-14631?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen resolved CAMEL-14631.
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Resolution: Fixed
Thanks for the unit tests, this helped implement support for this.
> Support custom type converters for Enums
> ----------------------------------------
>
> Key: CAMEL-14631
> URL: https://issues.apache.org/jira/browse/CAMEL-14631
> Project: Camel
> Issue Type: Improvement
> Components: came-core
> Affects Versions: 2.20.4, 3.17.0
> Reporter: Ralf Claussnitzer
> Assignee: Claus Ibsen
> Priority: Minor
> Fix For: 3.18.0
>
>
> It should be possible to provide a custom TypeConverter for converting
> strings into an Enum instances.
> The conversion of `String` to `Enum` is hard coded to fail with an Exception
> if `EnumTypeConverter` cannot instantiate an `Enum` constant by name.
> However, Java allows to override the string representation for enums.
> Converting such strings back to enums is only possible through a special
> converting function.
> Currently `org.apache.camel.impl.converter.EnumTypeConverter` tries to find
> the Enum instance by name. If that fails it falls back to calling the
> built-in valueOf(String) method which will end the program with a
> RuntimeException. The type conversion process stops there instead of further
> looking for custom type converters. The line with `return null;` in
> `EnumTypeConverter` is never reached. Would `EnumTypeConverter` indeed return
> null, the process would continue and a custom converter would finally be
> called.
> *
> https://mail-archives.apache.org/mod_mbox/camel-dev/202002.mbox/%3Cc87cef78-9709-5b92-efee-9bf0e2c2370d%40slub-dresden.de%3E
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