Add lossless narrowing convertion #379
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@hkupty Thanks a lot for your contribution. |
stevehu
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Jan 14, 2022
* Improve type validation of integrals Instead of doing string comparison, use new jackson method to determine if a number is an integral. The `javaSemantics` config option was added in PR #343 which partially addressed issue #334. In the notes for this PR: > Once jackson-databind 2.12.0 is out, I'll replace my solution with a call to canConvertToExactIntegral jackson-databind has been updated to 2.12.1 so this is available but the change has not yet been made. PR #450 which addressed #446 missed this location which is used when calling `JsonSchemaFactory.getSchema`. Issue #344 requested coercion of various types but the only type implemented in PR #379 was lossless narrowing, set with configuration option `losslessNarrowing`. I believe that setting is unnecessary now as this implementation of `javaSemantics` addresses the original issue, but left it for backwards compatibility. It also allows you to set `javaSemantics=false` and `losslessNarrowing=true` to achieve only this specific case rather than anything that `javaSemantics` is used for in the future. At this time, these properties do exactly the same thing. - Change from string comparison to `canConvertToExactIntegral` for `javaSemantics` and `losslessNarrowing` - Add missing documentation around `losslessNarrowing` - Add more test cases around integrals * Update changelog
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Should (partially) address #344
The idea is that this allows allows for simpler Narrowing of types when it's safe (from round doubles to integers) since this conversion doesn't lose information.