fixed missing @RequestBody import

src/main/groovy/com/github/hauner/openapi/spring/writer/InterfaceWriter.groovy

@@ -64,6 +64,11 @@ class InterfaceWriter {
                 imports.addAll (p.dataTypeImports)
             }
 
+            ep.requestBodies.each { b ->
+                imports.add (b.annotationWithPackage)
+//                imports.addAll (b.imports)
+            }
+
             if (!ep.response.empty) {
                 imports.addAll (ep.response.imports)
             }

src/test/groovy/com/github/hauner/openapi/spring/writer/InterfaceWriterSpec.groovy

@@ -19,6 +19,7 @@ package com.github.hauner.openapi.spring.writer
 import com.github.hauner.openapi.spring.model.Endpoint
 import com.github.hauner.openapi.spring.model.HttpMethod
 import com.github.hauner.openapi.spring.model.Interface
+import com.github.hauner.openapi.spring.model.RequestBody
 import com.github.hauner.openapi.spring.model.Response
 import com.github.hauner.openapi.spring.model.datatypes.NoneDataType
 import com.github.hauner.openapi.spring.model.datatypes.ObjectDataType
@@ -159,6 +160,28 @@ import org.springframework.web.bind.annotation.RequestParam;
 """)
     }
 
+    void "writes @RequestBody import" () {
+        def apiItf = new Interface (name: 'name', endpoints: [
+            new Endpoint(path: 'path', method: HttpMethod.GET, responses: [new EmptyResponse()],
+                requestBodies: [
+                    new RequestBody(
+                        contentType: 'plain/text',
+                        requestBodyType: new StringDataType(),
+                        required: true
+                    )
+                ])
+        ])
+
+        when:
+        writer.write (target, apiItf)
+
+        then:
+        def result = extractImports (target.toString ())
+        result.contains("""\
+import org.springframework.web.bind.annotation.RequestBody;
+""")
+    }
+
     void "writes import of request parameter data type" () {
         def endpoint = new Endpoint (path: '/foo', method: HttpMethod.GET, responses: [
             new Response (contentType: 'application/json', responseType: new NoneDataType())

src/testInt/resources/params-request-body/generated/api/Api.java

@@ -8,6 +8,7 @@
 import generated.model.Book;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 
 public interface Api {