org.springframework.messaging.converter

Interface ContentTypeResolver

All Known Implementing Classes:

DefaultContentTypeResolver

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ContentTypeResolver

Resolve the content type for a message.

Since:

4.0

Author:

Rossen Stoyanchev

Method Summary

Modifier and Type	Method and Description
MimeType	resolve(MessageHeaders headers) Determine the MimeType of a message from the given MessageHeaders.

Method Detail

resolve

@Nullable
MimeType resolve(@Nullable
                           MessageHeaders headers)
                    throws InvalidMimeTypeException

Determine the MimeType of a message from the given MessageHeaders.

Parameters:

headers - the headers to use for the resolution

Returns:

the resolved MimeType, or null if none found

Throws:

InvalidMimeTypeException - if the content type is a String that cannot be parsed

IllegalArgumentException - if there is a content type but its type is unknown