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-rwxr-xr-xconfig-lib/src/main/java/com/yahoo/config/FileReference.java4
1 files changed, 3 insertions, 1 deletions
diff --git a/config-lib/src/main/java/com/yahoo/config/FileReference.java b/config-lib/src/main/java/com/yahoo/config/FileReference.java
index 5f0bc275bad..b3dbb80f51f 100755
--- a/config-lib/src/main/java/com/yahoo/config/FileReference.java
+++ b/config-lib/src/main/java/com/yahoo/config/FileReference.java
@@ -7,18 +7,20 @@ import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
+import java.util.Objects;
/**
* An immutable file reference that can only be created from classes within the same package.
* This is to prevent clients from creating arbitrary and invalid file references.
*
- * @author tonytv
+ * @author Tony Vaagenes
*/
public final class FileReference {
private final String value;
public FileReference(String value) {
+ Objects.requireNonNull(value);
this.value = value;
}