refs #2848 - fix required resolving for arrayschema schema

modules/swagger-core/src/main/java/io/swagger/v3/core/jackson/SwaggerAnnotationIntrospector.java

@@ -58,6 +58,12 @@ public Boolean hasRequiredMarker(AnnotatedMember m) {
                 return ann.required();
             }
         }
+        ArraySchema arraySchema = m.getAnnotation(ArraySchema.class);
+        if (arraySchema != null) {
+            if (arraySchema.schema().required()) {
+                return arraySchema.schema().required();
+            }
+        }
         return null;
     }
 

modules/swagger-jaxrs2/src/test/java/io/swagger/v3/jaxrs2/ReaderTest.java

@@ -42,6 +42,7 @@
 import io.swagger.v3.jaxrs2.resources.Ticket2794Resource;
 import io.swagger.v3.jaxrs2.resources.Ticket2806Resource;
 import io.swagger.v3.jaxrs2.resources.Ticket2818Resource;
+import io.swagger.v3.jaxrs2.resources.Ticket2848Resource;
 import io.swagger.v3.jaxrs2.resources.UserAnnotationResource;
 import io.swagger.v3.jaxrs2.resources.extensions.ExtensionsResource;
 import io.swagger.v3.jaxrs2.resources.extensions.OperationExtensionsResource;
@@ -1220,6 +1221,39 @@ public Optional<Operation> filterOperation(Operation operation, ApiDescription a
             return super.filterOperation(operation, api, params, cookies, headers);
         }
     }
+
+    @Test(description = "array schema required property")
+    public void testTicket2848() {
+        Reader reader = new Reader(new OpenAPI());
+
+        OpenAPI openAPI = reader.read(Ticket2848Resource.class);
+        String yaml = "openapi: 3.0.1\n" +
+                "paths:\n" +
+                "  /:\n" +
+                "    get:\n" +
+                "      operationId: getter\n" +
+                "      responses:\n" +
+                "        default:\n" +
+                "          description: default response\n" +
+                "          content:\n" +
+                "            '*/*':\n" +
+                "              schema:\n" +
+                "                $ref: '#/components/schemas/Town'\n" +
+                "components:\n" +
+                "  schemas:\n" +
+                "    Town:\n" +
+                "      required:\n" +
+                "      - streets\n" +
+                "      type: object\n" +
+                "      properties:\n" +
+                "        streets:\n" +
+                "          minItems: 1\n" +
+                "          uniqueItems: true\n" +
+                "          type: array\n" +
+                "          items:\n" +
+                "            type: string\n";
+        SerializationMatchers.assertEqualsToYaml(openAPI, yaml);
+    }
 }
 
 

modules/swagger-jaxrs2/src/test/java/io/swagger/v3/jaxrs2/resources/Ticket2848Resource.java

@@ -0,0 +1,24 @@
+package io.swagger.v3.jaxrs2.resources;
+
+import io.swagger.v3.oas.annotations.media.ArraySchema;
+import io.swagger.v3.oas.annotations.media.Schema;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import java.util.List;
+
+@Path("/")
+public class Ticket2848Resource {
+    @GET
+    public Town getter() {
+        return null;
+    }
+
+    public static class Town {
+        @ArraySchema( schema = @Schema(required = true), minItems = 1,uniqueItems = true )
+        public List<String> streets;
+    }
+
+
+
+}