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feat(avro schema): MultiFormatSchema with Avro
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59 changes: 59 additions & 0 deletions
59
...ore/src/main/java/com/asyncapi/v3/schema/avro/v1/_9_0/jackson/AvroSchemaDeserializer.java
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| package com.asyncapi.v3.schema.avro.v1._9_0.jackson; | ||
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| import com.asyncapi.v3.schema.avro.v1._9_0.Avro; | ||
| import com.asyncapi.v3.schema.avro.v1._9_0.AvroUnion; | ||
| import com.fasterxml.jackson.core.JsonParser; | ||
| import com.fasterxml.jackson.core.JsonProcessingException; | ||
| import com.fasterxml.jackson.core.ObjectCodec; | ||
| import com.fasterxml.jackson.databind.DeserializationContext; | ||
| import com.fasterxml.jackson.databind.JsonDeserializer; | ||
| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.node.ArrayNode; | ||
| import com.fasterxml.jackson.databind.node.JsonNodeType; | ||
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| import java.io.IOException; | ||
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| public class AvroSchemaDeserializer extends JsonDeserializer<Object> { | ||
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| @Override | ||
| final public Object deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JsonProcessingException { | ||
| ObjectCodec objectCodec = p.getCodec(); | ||
| JsonNode node = objectCodec.readTree(p); | ||
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| return chooseKnownPojo(node, objectCodec); | ||
| } | ||
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| private Object chooseKnownPojo(JsonNode jsonNode, final ObjectCodec objectCodec) throws IOException { | ||
| try (JsonParser jsonParser = jsonNode.traverse(objectCodec)) { | ||
| JsonNodeType nodeType = jsonNode.getNodeType(); | ||
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| switch (nodeType) { | ||
| case ARRAY: | ||
| return readAsUnion((ArrayNode) jsonNode, objectCodec); | ||
| case OBJECT: | ||
| return jsonParser.readValueAs(Avro.class); | ||
| case STRING: | ||
| return jsonParser.readValueAs(String.class); | ||
| case BOOLEAN: | ||
| case NUMBER: | ||
| case BINARY: | ||
| case POJO: | ||
| case MISSING: | ||
| case NULL: | ||
| return null; | ||
| } | ||
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| return null; | ||
| } | ||
| } | ||
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| private AvroUnion readAsUnion(ArrayNode arrayNode, ObjectCodec objectCodec) throws IOException { | ||
| AvroUnion avroUnion = new AvroUnion(); | ||
| for (JsonNode childNode : arrayNode) { | ||
| avroUnion.add(chooseKnownPojo(childNode, objectCodec)); | ||
| } | ||
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| return avroUnion; | ||
| } | ||
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| } |
55 changes: 55 additions & 0 deletions
55
asyncapi-core/src/main/java/com/asyncapi/v3/schema/multiformat/AvroFormatSchema.java
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| package com.asyncapi.v3.schema.multiformat; | ||
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| import com.asyncapi.v3.schema.AsyncAPISchema; | ||
| import com.asyncapi.v3.schema.avro.v1._9_0.jackson.AvroSchemaDeserializer; | ||
| import com.fasterxml.jackson.annotation.JsonCreator; | ||
| import com.fasterxml.jackson.annotation.JsonProperty; | ||
| import com.fasterxml.jackson.databind.annotation.JsonDeserialize; | ||
| import lombok.EqualsAndHashCode; | ||
| import org.jetbrains.annotations.NotNull; | ||
| import org.jetbrains.annotations.Nullable; | ||
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| /** | ||
| * The Multi Format Schema Object represents a schema definition. It differs from the {@link AsyncAPISchema} in that it supports | ||
| * multiple schema formats or languages (e.g., JSON Schema, Avro, etc.). | ||
| * | ||
| * @see <a href="https://www.asyncapi.com/docs/reference/specification/v3.0.0#multiFormatSchemaObject">Multi Format Schema</a> | ||
| * @see <a href="https://www.asyncapi.com/docs/reference/specification/v3.0.0#schemaObject">Schema</a> | ||
| * @author Pavel Bodiachevskii | ||
| * @version 3.0.0 | ||
| */ | ||
| @EqualsAndHashCode(callSuper = true) | ||
| public class AvroFormatSchema extends MultiFormatSchema<Object> { | ||
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| public AvroFormatSchema(@NotNull @JsonDeserialize(using = AvroSchemaDeserializer.class) Object schema) { | ||
| super("application/vnd.apache.avro;version=1.9.0", schema); | ||
| } | ||
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| @JsonCreator(mode = JsonCreator.Mode.PROPERTIES) | ||
| public AvroFormatSchema( | ||
| @JsonProperty("schemaFormat") @Nullable String schemaFormat, | ||
| @JsonProperty("schema") @NotNull @JsonDeserialize(using = AvroSchemaDeserializer.class) Object schema | ||
| ) { | ||
| super(schemaFormat(schemaFormat), schema); | ||
| } | ||
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| @Override | ||
| public void setSchema(@NotNull Object schema) { | ||
| super.setSchema(schema); | ||
| } | ||
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| @NotNull | ||
| public Object getSchema() { | ||
| return super.getSchema(); | ||
| } | ||
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| @NotNull | ||
| private static String schemaFormat(@Nullable String schemaFormat) { | ||
| if (schemaFormat == null || schemaFormat.isEmpty()) { | ||
| return "application/vnd.apache.avro;version=1.9.0"; | ||
| } | ||
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| return schemaFormat; | ||
| } | ||
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| } |
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36 changes: 36 additions & 0 deletions
36
...capi-core/src/test/kotlin/com/asyncapi/v3/schema/multiformat/avro/AvroFormatSchemaTest.kt
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| Original file line number | Diff line number | Diff line change |
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| package com.asyncapi.v3.schema.multiformat.avro | ||
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| import com.asyncapi.v3.ClasspathUtils | ||
| import com.asyncapi.v3.schema.multiformat.AvroFormatSchema | ||
| import com.fasterxml.jackson.annotation.JsonInclude | ||
| import com.fasterxml.jackson.databind.ObjectMapper | ||
| import com.fasterxml.jackson.dataformat.yaml.YAMLFactory | ||
| import org.junit.jupiter.api.Assertions | ||
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| abstract class AvroFormatSchemaTest { | ||
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| private val objectMapper: ObjectMapper = ObjectMapper(YAMLFactory()) | ||
| .setSerializationInclusion(JsonInclude.Include.NON_NULL) | ||
| .findAndRegisterModules() | ||
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| fun compareSchemas( | ||
| avroFormatSchemaToCompareWithFilePath: String, | ||
| schemaToCheck: AvroFormatSchema | ||
| ) { | ||
| val schemaAsJson = ClasspathUtils.readAsString(avroFormatSchemaToCompareWithFilePath) | ||
| val schema = objectMapper.readValue(schemaAsJson, AvroFormatSchema::class.java) | ||
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| Assertions.assertEquals(schema, schemaToCheck) | ||
| } | ||
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| abstract fun parseJson( | ||
| avroFormatSchemaToCompareWithFilePath: String, | ||
| avroFormatSchema: AvroFormatSchema | ||
| ) | ||
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| abstract fun parseYaml( | ||
| avroFormatSchemaToCompareWithFilePath: String, | ||
| avroFormatSchema: AvroFormatSchema | ||
| ) | ||
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| } |
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