Add .java formatter definitions

[joshwanf]

Formats .java files on save using google-java-format

[prestoncabe]

Hey @joshwanf, what is the reasoning for using the google formatter instead of the redhat one? I am accustomed to the redhat vs code extension and see that it is much more widely used... but also have very little knowledge of java "best practices".

[joshwanf]

I'm mainly looking for a formatter/format spec that can break up long function definitions. For instance, the following block formats everything inside @APIResponse() in one long line.

I read that it's possible to load a XML definition file, but I don't have any local definitions loaded into my editor. If you have one that you normally use, I'm happy to use that.

Default Red Hat formatter:

    @APIResponses({
            @APIResponse(responseCode = "200", description = "Get all screeners for a user.", content = @Content(schema = @Schema(type = SchemaType.ARRAY, implementation = Screener.class))),
            @APIResponse(responseCode = "401", description = "Unauthorized user request.", content = @Content(schema = @Schema(type = SchemaType.ARRAY, implementation = Screener.class)))
    })

Ideally I would like a format spec that breaks the block into multiple lines (maybe even break the @Content):

  @APIResponses({
    @APIResponse(
        responseCode = "200",
        description = "Get all screeners for a user.",
        content =
            @Content(schema = @Schema(type = SchemaType.ARRAY, implementation = Screener.class))),
    @APIResponse(
        responseCode = "401",
        description = "Unauthorized user request.",
        content =
            @Content(schema = @Schema(type = SchemaType.ARRAY, implementation = Screener.class)))
  })

[joshwanf]

I seem to have found a solution using the Red Hat extension! Please hold for a future commit