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Apicurio Registry integration with Avro+Protobuf ser/des support
Signed-off-by: Michael Edgar <[email protected]>
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109 changes: 109 additions & 0 deletions
109
api/src/main/java/com/github/streamshub/console/api/SchemasResource.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| package com.github.streamshub.console.api; | ||
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| import java.io.ByteArrayInputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.util.Base64; | ||
| import java.util.Collections; | ||
| import java.util.Optional; | ||
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| import jakarta.annotation.PostConstruct; | ||
| import jakarta.inject.Inject; | ||
| import jakarta.ws.rs.BadRequestException; | ||
| import jakarta.ws.rs.GET; | ||
| import jakarta.ws.rs.Path; | ||
| import jakarta.ws.rs.PathParam; | ||
| import jakarta.ws.rs.Produces; | ||
| import jakarta.ws.rs.core.MediaType; | ||
| import jakarta.ws.rs.core.Response; | ||
| import jakarta.ws.rs.core.Response.Status; | ||
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| import org.eclipse.microprofile.config.ConfigProvider; | ||
| import org.eclipse.microprofile.openapi.annotations.media.Content; | ||
| import org.eclipse.microprofile.openapi.annotations.parameters.Parameter; | ||
| import org.eclipse.microprofile.openapi.annotations.responses.APIResponse; | ||
| import org.eclipse.microprofile.openapi.annotations.tags.Tag; | ||
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| import com.fasterxml.jackson.databind.JsonNode; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.github.streamshub.console.api.support.serdes.MultiformatSchemaParser; | ||
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| import io.apicurio.registry.resolver.DefaultSchemaResolver; | ||
| import io.apicurio.registry.resolver.SchemaResolver; | ||
| import io.apicurio.registry.rest.client.RegistryClient; | ||
| import io.apicurio.registry.rest.client.RegistryClientFactory; | ||
| import io.apicurio.registry.serde.strategy.ArtifactReference; | ||
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| @Path("/api/schemas/{schemaId}") | ||
| @Tag(name = "Schema Registry Resources") | ||
| public class SchemasResource { | ||
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| @Inject | ||
| ObjectMapper objectMapper; | ||
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| SchemaResolver<Object, ?> schemaResolver; | ||
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| @PostConstruct | ||
| void initialize() { | ||
| String registryUrl = ConfigProvider.getConfig().getOptionalValue("console.registry.endpoint", String.class) | ||
| // TODO: remove default | ||
| .orElse("http://localhost:9080"); | ||
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| RegistryClient registryClient = RegistryClientFactory.create(registryUrl); | ||
| schemaResolver = new DefaultSchemaResolver<>(); | ||
| schemaResolver.setClient(registryClient); | ||
| schemaResolver.configure(Collections.emptyMap(), new MultiformatSchemaParser<>(Collections.emptySet())); | ||
| } | ||
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| @GET | ||
| @Produces(MediaType.APPLICATION_JSON) | ||
| @APIResponse(responseCode = "200", ref = "Configurations", content = @Content()) | ||
| @APIResponse(responseCode = "404", ref = "NotFound") | ||
| @APIResponse(responseCode = "500", ref = "ServerError") | ||
| @APIResponse(responseCode = "504", ref = "ServerTimeout") | ||
| public Response describeConfigs( | ||
| @Parameter(description = "Schema identifier") | ||
| @PathParam("schemaId") | ||
| String schemaId) { | ||
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| InputStream in = new ByteArrayInputStream(Base64.getUrlDecoder().decode(schemaId)); | ||
| JsonNode id; | ||
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| try { | ||
| id = objectMapper.readTree(in); | ||
| } catch (IOException e) { | ||
| throw new BadRequestException("Schema id could not be parsed"); | ||
| } | ||
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| var builder = ArtifactReference.builder(); | ||
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| if (id.has("globalId")) { | ||
| builder.globalId(id.get("globalId").asLong()); | ||
| } | ||
| if (id.has("contentId")) { | ||
| builder.contentId(id.get("contentId").asLong()); | ||
| } | ||
| if (id.has("groupId")) { | ||
| builder.groupId(id.get("groupId").asText()); | ||
| } | ||
| if (id.has("artifactId")) { | ||
| builder.artifactId(id.get("artifactId").asText()); | ||
| } | ||
| if (id.has("version")) { | ||
| builder.version(id.get("version").asText()); | ||
| } | ||
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| var schema = schemaResolver.resolveSchemaByArtifactReference(builder.build()); | ||
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| var response = Optional.ofNullable(schema) | ||
| .map(s -> s.getParsedSchema()) | ||
| .map(s -> s.getRawSchema()) | ||
| .map(Response::ok) | ||
| .orElseGet(() -> Response.status(Status.NOT_FOUND)); | ||
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| return response.build(); | ||
| } | ||
|
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| } |
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