Type aware canWrite() method should be called for GenericHttpMessageConverter [SPR-13161]

[spring-projects-issues]

Sébastien Deleuze opened SPR-13161 and commented

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Issue Links:

• Make @ResponseBody method return type available to message converters [SPR-12811] #17408 Make @ResponseBody method return type available to message converters

Referenced from: commits 289f35d

[spring-projects-issues]

Sébastien Deleuze commented

This commit introduces the following changes:

• In AbstractMessageConverterMethodProcessor, the type aware variant of canWrite() is now called when the converter implements GenericHttpMessageConverter.
• The Javadoc has been updated in GenericHttpMessageConverter to make it clear that the type aware canRead() and canWrite() methods should perform the same checks than non type aware ones.
• AbstractGenericHttpMessageConverter now implements default type aware canRead() and canWrite() methods than just call the non type aware variants. Due to this, if subclasses just override the non type aware variants, they still have the right behavior.