Parameter Handler not Invoked if Constructor or Static Methods Succeed
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Key: CXF-4055
URL: https://issues.apache.org/jira/browse/CXF-4055
Project: CXF
Issue Type: Bug
Components: JAX-RS
Affects Versions: 2.5.1
Reporter: Jonathan Haber
Priority: Minor
Fix For: 2.5.2
My reading of InjectionUtils suggests that when performing type conversion,
custom parameter handlers appear to be the last resort. If the object has a
single-string constructor or a static valueOf/fromString method and any of
these succeed, custom parameter handlers will not be invoked.
This is causing issues in our application where users are able to define their
own date formats and the string values are passed as query parameters. We
implemented ParameterHandler<Date> and in the fromString body parse the string
value according to the specific user's date format. But depending on the date
format, the String constructor of java.util.Date may or may not throw an
exception depending on the specific date format. If it does not succeed, our
parameter handler is reached and all is well. But if it does "succeed" this
date will be used by CXF and our parameter handler is never reached (This is a
problem because even if the constructor doesn't throw an exception, the date is
usually parsed incorrectly and represents the wrong date).
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