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Map raw binary request/response bodies to Resource (#394)
* Map raw binary request/response bodies to Resource MapperPathUtil.getObjectOrType typed a top-level `type: string, format: binary` body (e.g. application/octet-stream, not wrapped in a multipart object) as String, because it never checked ApiTool.isBinary. Binary -> file type was only applied to object properties and array items. Add a RESOURCE type (org.springframework.core.io.Resource) and return it from getObjectOrType for binary schemas. Resource (not MultipartFile) is used because a raw @RequestBody binary payload is a streaming resource, not a multipart part; the reactive template wraps it as Mono<Resource>. Both server templates import Resource on demand. Adds testBinaryBodyResource and testReactiveBinaryBodyResource fixtures. Fixes #393 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> * Bump version to 6.6.4 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> --------- Co-authored-by: joseegarcia <jose.garcia@disashop.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
1 parent 23082aa commit f24c14e

14 files changed

Lines changed: 241 additions & 10 deletions

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‎multiapi-engine/pom.xml‎

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@@ -4,7 +4,7 @@
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<groupId>com.sngular</groupId>
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<artifactId>multiapi-engine</artifactId>
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<version>6.6.3</version>
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<version>6.6.4</version>
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<packaging>jar</packaging>
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<properties>

‎multiapi-engine/src/main/java/com/sngular/api/generator/plugin/common/model/SchemaFieldObjectType.java‎

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@@ -38,7 +38,8 @@ public class SchemaFieldObjectType {
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new SimpleImmutableEntry<>(TypeConstants.ZONEDDATETIME, ZONED_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.OFFSETDATE, OFFSET_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.OFFSETDATETIME, OFFSET_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.MULTIPART_FILE, "MultipartFile")
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new SimpleImmutableEntry<>(TypeConstants.MULTIPART_FILE, "MultipartFile"),
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new SimpleImmutableEntry<>(TypeConstants.RESOURCE, "Resource")
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);
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private static final Map<String, String> IMPORT_TYPE_MAPPINGS = Map.ofEntries(
@@ -53,7 +54,8 @@ public class SchemaFieldObjectType {
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new SimpleImmutableEntry<>(TypeConstants.ZONEDDATETIME, "java.time." + ZONED_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.OFFSETDATE, "java.time." + OFFSET_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.OFFSETDATETIME, "java.time." + OFFSET_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.MULTIPART_FILE, "MultipartFile")
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new SimpleImmutableEntry<>(TypeConstants.MULTIPART_FILE, "MultipartFile"),
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new SimpleImmutableEntry<>(TypeConstants.RESOURCE, "org.springframework.core.io.Resource")
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);
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private static final Map<String, String> IMPL_TYPE_MAPPINGS = Map.ofEntries(
@@ -73,7 +75,8 @@ public class SchemaFieldObjectType {
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new SimpleImmutableEntry<>(TypeConstants.ZONEDDATETIME, ZONED_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.OFFSETDATE, OFFSET_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.OFFSETDATETIME, OFFSET_DATE_TIME),
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new SimpleImmutableEntry<>(TypeConstants.MULTIPART_FILE, "MultipartFile")
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new SimpleImmutableEntry<>(TypeConstants.MULTIPART_FILE, "MultipartFile"),
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new SimpleImmutableEntry<>(TypeConstants.RESOURCE, "Resource")
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);
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private final String baseType;

‎multiapi-engine/src/main/java/com/sngular/api/generator/plugin/common/model/TypeConstants.java‎

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@@ -56,6 +56,8 @@ public final class TypeConstants {
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public static final String MULTIPART_FILE = "multipartfile";
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public static final String RESOURCE = "resource";
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public static final Set<String> BASIC_OBJECT_TYPE = Set.of(NUMBER, STRING, BOOLEAN, INTEGER, ARRAY);
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public static final Set<String> NO_IMPORT_TYPE = Set.of(STRING, INTEGER, OBJECT);
@@ -94,7 +96,8 @@ public final class TypeConstants {
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ZONEDDATETIME,
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OFFSETDATE,
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OFFSETDATETIME,
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MULTIPART_FILE
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MULTIPART_FILE,
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RESOURCE
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);
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private TypeConstants() {

‎multiapi-engine/src/main/java/com/sngular/api/generator/plugin/openapi/utils/MapperPathUtil.java‎

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@@ -473,6 +473,11 @@ private static JsonNode getRefSchema(JsonNode schema, SpecFile specFile, GlobalO
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private static SchemaFieldObjectType getObjectOrType(
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final JsonNode schema, final String pojoName, final SpecFile specFile, final GlobalObject globalObject,
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final Path baseDir) {
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if (ApiTool.isBinary(schema)) {
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// A raw binary body (e.g. application/octet-stream, type: string + format: binary,
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// not wrapped in a multipart object) maps to a streaming Resource, not String.
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return new SchemaFieldObjectType(TypeConstants.RESOURCE);
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}
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return switch (ApiTool.getType(schema)) {
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case TypeConstants.OBJECT -> SchemaFieldObjectType.fromTypeList(TypeConstants.OBJECT, pojoName);
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case TypeConstants.INTEGER -> new SchemaFieldObjectType(getIntegerFormat(schema));

‎multiapi-engine/src/main/resources/templates/openapi/template.ftlh‎

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@@ -4,6 +4,7 @@ package <#if packageApi??>${packageApi}<#elseif package??> ${package}</#if>;
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<#assign imports=[]>
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<#assign model_imports=[]>
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<#assign needsMultipartFile=false>
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<#assign needsResource=false>
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<#list pathObjects as path>
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<#list path.operationObjects as operation>
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<#list operation.requestObjects as request>
@@ -18,6 +19,18 @@ package <#if packageApi??>${packageApi}<#elseif package??> ${package}</#if>;
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</#if>
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</#list>
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</#if>
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<#list request.contentObjects as content>
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<#if content.dataType.containsType("resource")>
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<#assign needsResource=true>
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</#if>
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</#list>
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</#list>
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<#list operation.responseObjects as response>
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<#list response.contentObjects as content>
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<#if content.dataType.containsType("resource")>
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<#assign needsResource=true>
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</#if>
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</#list>
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</#list>
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</#list>
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</#list>
@@ -85,6 +98,9 @@ import org.springframework.web.context.request.NativeWebRequest;
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<#if needsMultipartFile>
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import org.springframework.web.multipart.MultipartFile;
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</#if>
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<#if needsResource>
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import org.springframework.core.io.Resource;
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</#if>
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<#list model_imports as import>
90106
import <#if packageModel??>${packageModel}<#elseif package??>${package}</#if>.${import};

‎multiapi-engine/src/main/resources/templates/openapi/templateReactive.ftlh‎

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@@ -23,6 +23,7 @@ import reactor.core.publisher.Mono;
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import reactor.core.publisher.Flux;
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import springfox.documentation.annotations.ApiIgnore;
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<#assign needsFilePart=false>
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<#assign needsResource=false>
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<#list pathObjects as path>
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<#list path.operationObjects as operation>
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<#list operation.requestObjects as request>
@@ -37,12 +38,27 @@ import springfox.documentation.annotations.ApiIgnore;
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</#if>
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</#list>
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</#if>
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<#list request.contentObjects as content>
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<#if content.dataType.containsType("resource")>
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<#assign needsResource=true>
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</#if>
45+
</#list>
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</#list>
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<#list operation.responseObjects as response>
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<#list response.contentObjects as content>
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<#if content.dataType.containsType("resource")>
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<#assign needsResource=true>
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</#if>
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</#list>
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</#list>
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</#list>
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</#list>
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<#if needsFilePart>
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import org.springframework.http.codec.multipart.FilePart;
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</#if>
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<#if needsResource>
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import org.springframework.core.io.Resource;
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</#if>
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<#assign imports=[]>
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<#list pathObjects as path>

‎multiapi-engine/src/test/java/com/sngular/api/generator/plugin/openapi/OpenApiGeneratorFixtures.java‎

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@@ -86,6 +86,16 @@ public final class OpenApiGeneratorFixtures {
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.apiPackage("com.sngular.multifileplugin.testreactiveformdatamultipart")
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.useLombokModelAnnotation(false).isReactive(true).build());
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static final List<SpecFile> TEST_BINARY_BODY_RESOURCE = List
90+
.of(SpecFile.builder().filePath("openapigenerator/testBinaryBodyResource/api-test.yml")
91+
.apiPackage("com.sngular.multifileplugin.testbinarybodyresource")
92+
.useLombokModelAnnotation(false).build());
93+
94+
static final List<SpecFile> TEST_REACTIVE_BINARY_BODY_RESOURCE = List
95+
.of(SpecFile.builder().filePath("openapigenerator/testReactiveBinaryBodyResource/api-test.yml")
96+
.apiPackage("com.sngular.multifileplugin.testreactivebinarybodyresource")
97+
.useLombokModelAnnotation(false).isReactive(true).build());
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8999
static final List<SpecFile> TEST_API_TAGS_GENERATION = List
90100
.of(SpecFile.builder().filePath("openapigenerator/testApiTagsGeneration/api-tags-test.yml")
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.apiPackage("com.sngular.multifileplugin.tagsgeneration")
@@ -607,6 +617,38 @@ static Function<Path, Boolean> validateApiReactiveGeneration(int springBootVersi
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608618
}
609619

620+
static Function<Path, Boolean> validateBinaryBodyResource() {
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622+
final String DEFAULT_TARGET_API = "generated/com/sngular/multifileplugin/testbinarybodyresource";
623+
624+
final String DEFAULT_MODEL_API = "generated/com/sngular/multifileplugin/testbinarybodyresource/model";
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626+
final String COMMON_PATH = "openapigenerator/testBinaryBodyResource/";
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final String ASSETS_PATH = COMMON_PATH + "assets/";
629+
630+
final List<String> expectedTestApiFile = List.of(ASSETS_PATH + "UploadApi.java");
631+
632+
return path -> commonTest(path, expectedTestApiFile, Collections.emptyList(), DEFAULT_TARGET_API,
633+
DEFAULT_MODEL_API, Collections.emptyList(), null);
634+
}
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636+
static Function<Path, Boolean> validateReactiveBinaryBodyResource() {
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final String DEFAULT_TARGET_API = "generated/com/sngular/multifileplugin/testreactivebinarybodyresource";
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640+
final String DEFAULT_MODEL_API = "generated/com/sngular/multifileplugin/testreactivebinarybodyresource/model";
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final String COMMON_PATH = "openapigenerator/testReactiveBinaryBodyResource/";
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644+
final String ASSETS_PATH = COMMON_PATH + "assets/";
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646+
final List<String> expectedTestApiFile = List.of(ASSETS_PATH + "UploadApi.java");
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648+
return path -> commonTest(path, expectedTestApiFile, Collections.emptyList(), DEFAULT_TARGET_API,
649+
DEFAULT_MODEL_API, Collections.emptyList(), null);
650+
}
651+
610652
static Function<Path, Boolean> validateReactiveFormDataMultipart() {
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612654
final String DEFAULT_TARGET_API = "generated/com/sngular/multifileplugin/testreactiveformdatamultipart";

‎multiapi-engine/src/test/java/com/sngular/api/generator/plugin/openapi/OpenApiGeneratorTest.java‎

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@@ -65,6 +65,10 @@ static Stream<Arguments> fileSpecToProcess() {
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OpenApiGeneratorFixtures.validateApiReactiveGeneration(SPRING_BOOT_VERSION)),
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Arguments.of("testReactiveFormDataMultipart", OpenApiGeneratorFixtures.TEST_REACTIVE_FORM_DATA_MULTIPART,
6767
OpenApiGeneratorFixtures.validateReactiveFormDataMultipart()),
68+
Arguments.of("testBinaryBodyResource", OpenApiGeneratorFixtures.TEST_BINARY_BODY_RESOURCE,
69+
OpenApiGeneratorFixtures.validateBinaryBodyResource()),
70+
Arguments.of("testReactiveBinaryBodyResource", OpenApiGeneratorFixtures.TEST_REACTIVE_BINARY_BODY_RESOURCE,
71+
OpenApiGeneratorFixtures.validateReactiveBinaryBodyResource()),
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Arguments.of("testApiTagsGeneration", OpenApiGeneratorFixtures.TEST_API_TAGS_GENERATION,
6973
OpenApiGeneratorFixtures.validateTagsGeneration()),
7074
Arguments.of("testMultipleRefGeneration", OpenApiGeneratorFixtures.TEST_MULTIPLE_REF_GENERATION,

‎multiapi-engine/src/test/resources/openapigenerator/testBinaryBodyResource/api-test.yml‎

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1+
openapi: 3.0.2
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info:
3+
title: Testing raw binary request body
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version: 1.0.0
5+
servers:
6+
- url: http://localhost/v1
7+
paths:
8+
/upload:
9+
post:
10+
tags:
11+
- test
12+
operationId: uploadBinary
13+
requestBody:
14+
required: true
15+
content:
16+
application/octet-stream:
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schema:
18+
type: string
19+
format: binary
20+
responses:
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'200':
22+
description:
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OK

‎multiapi-engine/src/test/resources/openapigenerator/testBinaryBodyResource/assets/UploadApi.java‎

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1+
package com.sngular.multifileplugin.testbinarybodyresource;
2+
3+
import java.util.Optional;
4+
import java.util.List;
5+
import java.util.Map;
6+
import javax.validation.Valid;
7+
8+
import io.swagger.v3.oas.annotations.Operation;
9+
import io.swagger.v3.oas.annotations.Parameter;
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import io.swagger.v3.oas.annotations.media.Content;
11+
import io.swagger.v3.oas.annotations.media.Schema;
12+
import io.swagger.v3.oas.annotations.responses.ApiResponse;
13+
import org.springframework.http.MediaType;
14+
import org.springframework.http.HttpStatus;
15+
import org.springframework.http.ResponseEntity;
16+
import org.springframework.web.bind.annotation.*;
17+
import org.springframework.web.context.request.NativeWebRequest;
18+
import org.springframework.core.io.Resource;
19+
20+
21+
public interface UploadApi {
22+
23+
/**
24+
* POST /upload
25+
* @param resource (required)
26+
* @return OK; (status code 200)
27+
*/
28+
29+
@Operation(
30+
operationId = "uploadBinary",
31+
tags = {"test"},
32+
responses = {
33+
@ApiResponse(responseCode = "200", description = "OK")
34+
}
35+
)
36+
@RequestMapping(
37+
method = RequestMethod.POST,
38+
value = "/upload",
39+
produces = {"application/json"}
40+
)
41+
42+
default ResponseEntity<Void> uploadBinary(@Parameter(name = "resource", description = "", required = true, schema = @Schema(description = "")) @Valid @RequestBody Resource resource) {
43+
return new ResponseEntity<>(HttpStatus.NOT_IMPLEMENTED);
44+
}
45+
46+
}

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