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Fix resolving custom ObjectMapper at deserialization in Resteasy Reac…
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99 changes: 99 additions & 0 deletions
99
...est/java/io/quarkus/resteasy/reactive/jackson/deployment/test/CustomObjectMapperTest.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,99 @@ | ||
| package io.quarkus.resteasy.reactive.jackson.deployment.test; | ||
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| import static io.restassured.RestAssured.given; | ||
| import static org.hamcrest.CoreMatchers.equalTo; | ||
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| import java.util.Objects; | ||
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| import jakarta.ws.rs.Consumes; | ||
| import jakarta.ws.rs.POST; | ||
| import jakarta.ws.rs.Path; | ||
| import jakarta.ws.rs.core.MediaType; | ||
| import jakarta.ws.rs.ext.ContextResolver; | ||
| import jakarta.ws.rs.ext.Provider; | ||
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| import org.apache.http.HttpStatus; | ||
| import org.junit.jupiter.api.Test; | ||
| import org.junit.jupiter.api.extension.RegisterExtension; | ||
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| import com.fasterxml.jackson.databind.DeserializationFeature; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
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| import io.quarkus.arc.Unremovable; | ||
| import io.quarkus.test.QuarkusUnitTest; | ||
| import io.restassured.http.ContentType; | ||
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| public class CustomObjectMapperTest { | ||
| @RegisterExtension | ||
| static final QuarkusUnitTest TEST = new QuarkusUnitTest().withEmptyApplication(); | ||
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| /** | ||
| * Because we have configured the server Object Mapper instance with: | ||
| * `objectMapper.enable(SerializationFeature.WRAP_ROOT_VALUE);` | ||
| */ | ||
| @Test | ||
| void serverShouldUnwrapRootElement() { | ||
| given().body("{\"Request\":{\"value\":\"good\"}}") | ||
| .contentType(ContentType.JSON) | ||
| .post("/server") | ||
| .then() | ||
| .statusCode(HttpStatus.SC_OK) | ||
| .body(equalTo("good")); | ||
| } | ||
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| @Path("/server") | ||
| public static class MyResource { | ||
| @POST | ||
| @Consumes(MediaType.APPLICATION_JSON) | ||
| public String post(Request request) { | ||
| return request.value; | ||
| } | ||
| } | ||
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| public static class Request { | ||
| private String value; | ||
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| public Request() { | ||
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| } | ||
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| public Request(String value) { | ||
| this.value = value; | ||
| } | ||
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| public String getValue() { | ||
| return value; | ||
| } | ||
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| public void setValue(String value) { | ||
| this.value = value; | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) | ||
| return true; | ||
| if (o == null || getClass() != o.getClass()) | ||
| return false; | ||
| Request request = (Request) o; | ||
| return Objects.equals(value, request.value); | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(value); | ||
| } | ||
| } | ||
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| @Provider | ||
| @Unremovable | ||
| public static class CustomObjectMapperContextResolver implements ContextResolver<ObjectMapper> { | ||
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| @Override | ||
| public ObjectMapper getContext(final Class<?> type) { | ||
| final ObjectMapper objectMapper = new ObjectMapper(); | ||
| objectMapper.enable(DeserializationFeature.UNWRAP_ROOT_VALUE); | ||
| return objectMapper; | ||
| } | ||
| } | ||
| } |
143 changes: 143 additions & 0 deletions
143
...asy/reactive/jackson/runtime/serialisers/FullyFeaturedServerJacksonMessageBodyReader.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| package io.quarkus.resteasy.reactive.jackson.runtime.serialisers; | ||
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| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.lang.annotation.Annotation; | ||
| import java.lang.reflect.Type; | ||
| import java.util.concurrent.ConcurrentHashMap; | ||
| import java.util.concurrent.ConcurrentMap; | ||
| import java.util.function.Function; | ||
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| import jakarta.inject.Inject; | ||
| import jakarta.ws.rs.WebApplicationException; | ||
| import jakarta.ws.rs.core.MediaType; | ||
| import jakarta.ws.rs.core.MultivaluedMap; | ||
| import jakarta.ws.rs.core.Response; | ||
| import jakarta.ws.rs.ext.ContextResolver; | ||
| import jakarta.ws.rs.ext.Providers; | ||
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| import org.jboss.resteasy.reactive.common.util.StreamUtil; | ||
| import org.jboss.resteasy.reactive.server.jackson.JacksonBasicMessageBodyReader; | ||
| import org.jboss.resteasy.reactive.server.spi.ResteasyReactiveResourceInfo; | ||
| import org.jboss.resteasy.reactive.server.spi.ServerMessageBodyReader; | ||
| import org.jboss.resteasy.reactive.server.spi.ServerRequestContext; | ||
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| import com.fasterxml.jackson.core.exc.StreamReadException; | ||
| import com.fasterxml.jackson.databind.DatabindException; | ||
| import com.fasterxml.jackson.databind.ObjectMapper; | ||
| import com.fasterxml.jackson.databind.ObjectReader; | ||
| import com.fasterxml.jackson.databind.exc.InvalidDefinitionException; | ||
| import com.fasterxml.jackson.databind.exc.MismatchedInputException; | ||
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| public class FullyFeaturedServerJacksonMessageBodyReader extends JacksonBasicMessageBodyReader | ||
| implements ServerMessageBodyReader<Object> { | ||
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| private final Providers providers; | ||
| private final ConcurrentMap<ObjectMapper, ObjectReader> contextResolverMap = new ConcurrentHashMap<>(); | ||
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| @Inject | ||
| public FullyFeaturedServerJacksonMessageBodyReader(ObjectMapper mapper, Providers providers) { | ||
| super(mapper); | ||
| this.providers = providers; | ||
| } | ||
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| @Override | ||
| public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType, | ||
| MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException, WebApplicationException { | ||
| try { | ||
| return doReadFrom(type, genericType, mediaType, entityStream); | ||
| } catch (MismatchedInputException | InvalidDefinitionException e) { | ||
| /* | ||
| * To extract additional details when running in dev mode or test mode, Quarkus previously offered the | ||
| * DefaultMismatchedInputException(Mapper). That mapper provides additional details about bad input, | ||
| * beyond Jackson's default, when running in Dev or Test mode. To preserve that behavior, we rethrow | ||
| * MismatchedInputExceptions we encounter. | ||
| * | ||
| * An InvalidDefinitionException is thrown when there is a problem with the way a type is | ||
| * set up/annotated for consumption by the Jackson API. We don't wrap it in a WebApplicationException | ||
| * (as a Server Error), since unhandled exceptions will end up as a 500 anyway. In addition, this | ||
| * allows built-in features like the NativeInvalidDefinitionExceptionMapper to be registered and | ||
| * communicate potential Jackson integration issues, and potential solutions for resolving them. | ||
| */ | ||
| throw e; | ||
| } catch (StreamReadException | DatabindException e) { | ||
| /* | ||
| * As JSON is evaluated, it can be invalid due to one of two reasons: | ||
| * 1) Malformed JSON. Un-parsable JSON results in a StreamReadException | ||
| * 2) Valid JSON that violates some binding constraint, i.e., a required property, mismatched data types, etc. | ||
| * Violations of these types are captured via a DatabindException. | ||
| */ | ||
| throw new WebApplicationException(e, Response.Status.BAD_REQUEST); | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) { | ||
| return isReadable(mediaType, type); | ||
| } | ||
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| @Override | ||
| public boolean isReadable(Class<?> type, Type genericType, ResteasyReactiveResourceInfo lazyMethod, MediaType mediaType) { | ||
| return isReadable(mediaType, type); | ||
| } | ||
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| @Override | ||
| public Object readFrom(Class<Object> type, Type genericType, MediaType mediaType, ServerRequestContext context) | ||
| throws WebApplicationException, IOException { | ||
| return readFrom(type, genericType, null, mediaType, null, context.getInputStream()); | ||
| } | ||
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| private Object doReadFrom(Class<Object> type, Type genericType, MediaType responseMediaType, InputStream entityStream) | ||
| throws IOException { | ||
| if (StreamUtil.isEmpty(entityStream)) { | ||
| return null; | ||
| } | ||
| try { | ||
| ObjectReader reader = getEffectiveReader(type, responseMediaType); | ||
| return reader.forType(reader.getTypeFactory().constructType(genericType != null ? genericType : type)) | ||
| .readValue(entityStream); | ||
| } catch (MismatchedInputException e) { | ||
| if (isEmptyInputException(e)) { | ||
| return null; | ||
| } | ||
| throw e; | ||
| } | ||
| } | ||
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| private boolean isEmptyInputException(MismatchedInputException e) { | ||
| // this isn't great, but Jackson doesn't have a specific exception for empty input... | ||
| return e.getMessage().startsWith("No content"); | ||
| } | ||
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| private ObjectReader getEffectiveReader(Class<Object> type, MediaType responseMediaType) { | ||
| ObjectMapper effectiveMapper = getObjectMapperFromContext(type, responseMediaType); | ||
| if (effectiveMapper == null) { | ||
| return getEffectiveReader(); | ||
| } | ||
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| return contextResolverMap.computeIfAbsent(effectiveMapper, new Function<>() { | ||
| @Override | ||
| public ObjectReader apply(ObjectMapper objectMapper) { | ||
| return objectMapper.reader(); | ||
| } | ||
| }); | ||
| } | ||
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| private ObjectMapper getObjectMapperFromContext(Class<Object> type, MediaType responseMediaType) { | ||
| if (providers == null) { | ||
| return null; | ||
| } | ||
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| ContextResolver<ObjectMapper> contextResolver = providers.getContextResolver(ObjectMapper.class, | ||
| responseMediaType); | ||
| if (contextResolver == null) { | ||
| // TODO: not sure if this is correct, but Jackson does this as well... | ||
| contextResolver = providers.getContextResolver(ObjectMapper.class, null); | ||
| } | ||
| if (contextResolver != null) { | ||
| return contextResolver.getContext(type); | ||
| } | ||
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| return null; | ||
| } | ||
| } |
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