Fix for issue 882

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/util/OpenAPIDeserializer.java

@@ -1050,6 +1050,11 @@ public Link getLink(ObjectNode linkNode, String location, ParseResult result) {
             link.setParameters(getLinkParameters(parametersObject, location, result));
         }
 
+        String requestBody = getString("requestBody",linkNode,false,location,result);
+        if (requestBody!= null) {
+            link.setRequestBody(requestBody);
+        }
+
         ObjectNode headerObject = getObject("headers",linkNode,false,location,result);
         if (headerObject!= null) {
             link.setHeaders(getHeaders(headerObject, location, result));

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/test/OpenAPIV3ParserTest.java

@@ -12,6 +12,7 @@
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.Operation;
 import io.swagger.v3.oas.models.PathItem;
+import io.swagger.v3.oas.models.links.Link;
 import io.swagger.v3.oas.models.media.*;
 import io.swagger.v3.oas.models.examples.Example;
 import io.swagger.v3.oas.models.media.ArraySchema;
@@ -1537,6 +1538,16 @@ public void shouldParseRequestBody() {
         assertEquals(actualPathContent, actualComponentContent);
     }
 
+    @Test
+    public void testLinkIssue() {
+        ParseOptions parseOptions = new ParseOptions();
+        parseOptions.setResolveFully(true);
+        OpenAPI openAPI = new OpenAPIV3Parser().read("src/test/resources/linkIssue.yaml", null, parseOptions);
+        Map<String, Link> links = openAPI.getPaths().get("/2.0/repositories/{username}").getGet().getResponses().get("200").getLinks();
+        Object requestBody = links.get("userRepository").getRequestBody();
+        assertEquals(requestBody, "$response.body#/slug");
+    }
+
 
     private static int getDynamicPort() {
         return new Random().ints(10000, 20000).findFirst().getAsInt();

modules/swagger-parser-v3/src/test/resources/linkIssue.yaml

@@ -0,0 +1,75 @@
+openapi: 3.0.0
+info:
+  title: Link Example
+  version: 1.0.0
+paths:
+  /2.0/repositories/{username}:
+    get:
+      operationId: getRepositoriesByOwner
+      parameters:
+      - name: username
+        in: path
+        required: true
+        schema:
+          type: string
+      responses:
+        '200':
+          description: repositories owned by the supplied user
+          content:
+            application/json:
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/repository'
+          links:
+            userRepository:
+              operationId: getRepository
+              requestBody: '$response.body#/slug'
+  /2.0/repositories/{username}/{slug}:
+    get:
+      operationId: getRepository
+      parameters:
+      - name: username
+        in: path
+        required: true
+        schema:
+          type: string
+      - name: slug
+        in: path
+        required: true
+        schema:
+          type: string
+      responses:
+        '200':
+          description: The repository
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/repository'
+components:
+  schemas:
+    user:
+      type: object
+      properties:
+        username:
+          type: string
+        uuid:
+          type: string
+    repository:
+      type: object
+      properties:
+        slug:
+          type: string
+        owner:
+          $ref: '#/components/schemas/user'
+    pullrequest:
+      type: object
+      properties:
+        id:
+          type: integer
+        title:
+          type: string
+        repository:
+          $ref: '#/components/schemas/repository'
+        author:
+          $ref: '#/components/schemas/user'