From 92a1c3a449202009a9313ad41de790180100e0df Mon Sep 17 00:00:00 2001
From: Jinkui Shi <shijinkui@users.noreply.github.com>
Date: Tue, 7 Nov 2017 15:46:20 +0800
Subject: [PATCH] [issue-6860] fix NPE of Could not generate api (#6868)

---
 .../src/main/java/io/swagger/codegen/DefaultCodegen.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
index 8b3655000bbe..f53b5943e19d 100644
--- a/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
+++ b/modules/swagger-codegen/src/main/java/io/swagger/codegen/DefaultCodegen.java
@@ -2886,7 +2886,7 @@ public class DefaultCodegen {
      * @return true if the library/module/package of the corresponding type needs to be imported
      */
     protected boolean needToImport(String type) {
-        return !defaultIncludes.contains(type)
+        return StringUtils.isNotBlank(type) && !defaultIncludes.contains(type)
             && !languageSpecificPrimitives.contains(type);
     }