Make default type of Resource as binary. Fixes #322.

Author: bnasslahsen

springdoc-openapi-common/src/main/java/org/springdoc/core/GenericParameterBuilder.java

@@ -47,6 +47,7 @@
 import org.springframework.core.MethodParameter;
 import org.springframework.core.ResolvableType;
 import org.springframework.core.annotation.AnnotationUtils;
+import org.springframework.core.io.Resource;
 import org.springframework.web.multipart.MultipartFile;
 
 @SuppressWarnings("rawtypes")
@@ -58,6 +59,7 @@ public class GenericParameterBuilder {
 
 	static {
 		FILE_TYPES.add(MultipartFile.class);
+		FILE_TYPES.add(Resource.class);
 		ANNOTATIOSN_TO_IGNORE.add(Hidden.class);
 	}
 

springdoc-openapi-webmvc-core/src/test/java/test/org/springdoc/api/app109/HelloController.java

@@ -0,0 +1,25 @@
+package test.org.springdoc.api.app109;
+
+import io.swagger.v3.oas.annotations.media.Content;
+import io.swagger.v3.oas.annotations.media.Schema;
+import io.swagger.v3.oas.annotations.responses.ApiResponse;
+
+import org.springframework.core.io.ByteArrayResource;
+import org.springframework.core.io.Resource;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class HelloController {
+
+	@GetMapping("/api/v1/resource")
+	public Resource getResource() {
+		return new ByteArrayResource(new byte[]{});
+	}
+
+	@GetMapping("/api/v1/bytearray")
+	@ApiResponse(content = @Content(schema = @Schema(type = "string", format = "binary")))
+	public byte[] getByteArray() {
+		return new byte[]{};
+	}
+}

springdoc-openapi-webmvc-core/src/test/java/test/org/springdoc/api/app109/SpringDocApp109Test.java

@@ -0,0 +1,10 @@
+package test.org.springdoc.api.app109;
+
+import test.org.springdoc.api.AbstractSpringDocTest;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+public class SpringDocApp109Test extends AbstractSpringDocTest {
+	@SpringBootApplication
+	static class SpringDocTestApp {}
+}

springdoc-openapi-webmvc-core/src/test/resources/results/app109.json

@@ -0,0 +1,58 @@
+{
+  "openapi": "3.0.1",
+  "info": {
+    "title": "OpenAPI definition",
+    "version": "v0"
+  },
+  "servers": [
+    {
+      "url": "http://localhost",
+      "description": "Generated server url"
+    }
+  ],
+  "paths": {
+    "/api/v1/resource": {
+      "get": {
+        "tags": [
+          "hello-controller"
+        ],
+        "operationId": "getResource",
+        "responses": {
+          "200": {
+            "description": "default response",
+            "content": {
+              "*/*": {
+                "schema": {
+                  "type": "string",
+                  "format": "binary"
+                }
+              }
+            }
+          }
+        }
+      }
+    },
+    "/api/v1/bytearray": {
+      "get": {
+        "tags": [
+          "hello-controller"
+        ],
+        "operationId": "getByteArray",
+        "responses": {
+          "default": {
+            "description": "default response",
+            "content": {
+              "*/*": {
+                "schema": {
+                  "type": "string",
+                  "format": "binary"
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  },
+  "components": {}
+}