Change PartReader

Author: nkonev

spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/GraphQlHttpHandler.java

@@ -194,11 +194,7 @@ private <T> T deserializePart(HttpServletRequest httpServletRequest, String name
             if (part == null) {
                 return null;
             }
-            try(InputStream inputStream = part.getInputStream()) {
-                return partReader.readPart(inputStream, type);
-            } catch (IOException e) {
-                throw new RuntimeException(e);
-            }
+            return partReader.readPart(part, type);
         } catch (IOException | ServletException e) {
             throw new RuntimeException(e);
         }

spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/JacksonPartReader.java

@@ -4,6 +4,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.springframework.core.GenericTypeResolver;
 
+import javax.servlet.http.Part;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Type;
@@ -17,10 +18,14 @@ public JacksonPartReader(ObjectMapper objectMapper) {
     }
 
     @Override
-    public <T> T readPart(InputStream inputStream, Type targetType) {
-        try {
-            JavaType javaType = getJavaType(targetType);
-            return objectMapper.readValue(inputStream, javaType);
+    public <T> T readPart(Part part, Type targetType) {
+        try(InputStream inputStream = part.getInputStream()) {
+            try {
+                JavaType javaType = getJavaType(targetType);
+                return objectMapper.readValue(inputStream, javaType);
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
         } catch (IOException e) {
             throw new RuntimeException(e);
         }

spring-graphql/src/main/java/org/springframework/graphql/server/webmvc/PartReader.java

@@ -1,8 +1,8 @@
 package org.springframework.graphql.server.webmvc;
 
-import java.io.InputStream;
+import javax.servlet.http.Part;
 import java.lang.reflect.Type;
 
 public interface PartReader {
-    <T> T readPart(InputStream inputStream, Type targetType);
+    <T> T readPart(Part part, Type targetType);
 }