Ralf Claussnitzer created CAMEL-14631:
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Summary: 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
Reporter: Ralf Claussnitzer
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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