ba8849dda3
Prior to this commit, calls to `MimeType` and `MediaType` would create a significant amount of garbage: * during startup time, in the static sections of `MimeType` and `MediaType` when creating well-known types * at runtime, when parsing media types for content negotiation or writing known media types as strings in HTTP response headers This commit does the following: * Avoid parsing the well-known types and use regular constructors instead * Cache types in a simple LRU cache once they've been parsed, since an application is likely to deal with a limited set of types * Avoid using `java.util.stream.Stream` in hot code paths Benchmarks show that a complete revision of the `MimeTypeUtils` parser is not required, since the LRU cache is enough there. Closes gh-22340
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