Create an initial version of the JSON schema processors

src/main/docs/guide/sources.adoc

@@ -0,0 +1,7 @@
+Information for JSON schema is aggregated from multiple sources.
+
+
+
+### Jackson annotations
+
+

src/main/docs/guide/sources/jacksonAnnotations.adoc

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+The following `com.fasterxml.jackson.annotation` annotations are supported:
+
+[cols="2", options="header"]
+|===
+| Jackson Annotations | Supported
+| `JsonClassDescription` | ✅
+| `JsonIgnore` | ✅
+| `JsonIgnoreProperties` | ✅
+| `JsonInclude` | ✅
+| `JsonIncludeProperties` | ✅
+| `JsonProperty` | ✅
+| `JsonPropertyDescription` | ✅
+| `JsonSubTypes` | ✅
+| `JsonTypeInfo` | ✅
+| `JsonTypeName` | ✅
+| `JsonUnwrapped` | ✅
+| `JsonAlias` | ❌
+| `JsonAnyGetter` | ❌
+| `JsonAnySetter` | ❌
+| `JsonAutoDetect` | ❌
+| `JsonBackReference` | ❌
+| `JsonCreator` | ❌
+| `JsonEnumDefaultValue` | ❌
+| `JsonFormat` | ❌
+| `JsonGetter` | ❌
+| `JsonIdentityInfo` | ❌
+| `JsonIdentityReference` | ❌
+| `JsonIgnoreType` | ❌
+| `JsonKey` | ❌
+| `JsonManagedReference` | ❌
+| `JsonMerge` | ❌
+| `JsonRawValue` | ❌
+| `JsonRootName` | ❌
+| `JsonSetter` | ❌
+| `JsonTypeId` | ❌
+| `JsonValue` | ❌
+| `JsonView` | ❌
+| `JacksonInject` | ❌
+| `JsonFilter` | ❌
+| `JsonPropertyOrder` | ❌
+|===
+
+NOTE: Custom serializers and deserializers cannot be supported, as this information is implementation-specific
+and not available during build time. This also applies to some other features, like the `JsonFilter` annotation
+which allows defining custom filters.

src/main/docs/guide/sources/javadoc.adoc

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+JavaDoc on types and properties will be added to the description properties of schemas. This includes class, property
+descriptions and record parameter descriptions.

src/main/docs/guide/sources/validationAnnotations.adoc

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+The following `jakarta.validation.constraints` annotations are supported:
+
+[cols="2", options="header"]
+|===
+| Validation Annotations | Supported
+| `AssertFalse` | ✅
+| `AssertTrue` | ✅
+| `DecimalMin` | ✅
+| `DecimalMax` | ✅
+| `Email` | ✅
+| `Max` | ✅
+| `Min` | ✅
+| `Negative` | ✅
+| `NegativeOrZero` | ✅
+| `NotBlank` | ✅
+| `NotEmpty` | ✅
+| `NotNull` | ✅
+| `Null` | ✅
+| `Pattern` | ✅
+| `Positive` | ✅
+| `PositiveOrZero` | ✅
+| `Size` | ✅
+| `Digits` | ❌
+| `Future` | ❌
+| `FutureOrPresent` | ❌
+| `Past` | ❌
+| `PastOrPresent` | ❌
+|===
+
+By default, properties are not nullable. `jakarta.annotations.Nullable` can be added to make them nullable.
+Note, that validation might not correspond to actual bean values, as by default null
+values are completely omitted during JSON serialization.
+
+NOTE: Custom validators cannot be supported, as this information is implementation-specific and not available during build time.

src/main/docs/guide/toc.yml

@@ -5,8 +5,11 @@ quickStart:
   title: Quick Start
 configuration:
   title: Configuration
-supported-features:
+sources:
   title: Supported Information Sources
+  javadoc: JavaDoc
+  validationAnnotations: Validation Annotations
+  jacksonAnnotations: Jackson Annotations
 serving:
   title: Serving JSON Schemas
 repository: Repository