[commons-vfs] 01/02: Better exception message.

[ggregory]

This is an automated email from the ASF dual-hosted git repository.

ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-vfs.git

commit 3191c66c47ea2e2ebe5951a0dd4341a21db3a202
Author: Gary Gregory <garydgreg...@gmail.com>
AuthorDate: Tue Sep 15 22:23:22 2020 -0400

    Better exception message.
---
 .../main/java/org/apache/commons/vfs2/FileSystemConfigBuilder.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git 
a/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileSystemConfigBuilder.java
 
b/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileSystemConfigBuilder.java
index 3925bfa..d58f730 100644
--- 
a/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileSystemConfigBuilder.java
+++ 
b/commons-vfs2/src/main/java/org/apache/commons/vfs2/FileSystemConfigBuilder.java
@@ -16,6 +16,8 @@
  */
 package org.apache.commons.vfs2;
 
+import java.util.Objects;
+
 /**
  * Abstract class which has the right to fill FileSystemOptions.
  */
@@ -654,7 +656,7 @@ public abstract class FileSystemConfigBuilder {
      * @since 1.0
      */
     protected void setParam(final FileSystemOptions fileSystemOptions, final 
String name, final Object value) {
-        fileSystemOptions.setOption(getConfigClass(), name, value);
+        Objects.requireNonNull(fileSystemOptions, 
"fileSystemOptions").setOption(getConfigClass(), name, value);
     }
 
     /**