Cleanup use of Guava library

[yangtools.git] / yang / yang-data-codec-gson / src / main / java / org / opendaylight / yangtools / yang / data / codec / gson / JSONStreamWriterInvisibleContext.java

diff --git a/yang/yang-data-codec-gson/src/main/java/org/opendaylight/yangtools/yang/data/codec/gson/JSONStreamWriterInvisibleContext.java b/yang/yang-data-codec-gson/src/main/java/org/opendaylight/yangtools/yang/data/codec/gson/JSONStreamWriterInvisibleContext.java
index 38c9e2ab604715559b21f520c8edc2d696fb21ab..f84dc931d3a3bdded37f051fa7fe2835840f2768 100644 (file)
--- a/yang/yang-data-codec-gson/src/main/java/org/opendaylight/yangtools/yang/data/codec/gson/JSONStreamWriterInvisibleContext.java
+++ b/yang/yang-data-codec-gson/src/main/java/org/opendaylight/yangtools/yang/data/codec/gson/JSONStreamWriterInvisibleContext.java
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.yangtools.yang.data.codec.gson;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import com.google.gson.stream.JsonWriter;
 
 /**
@@ -16,7 +17,7 @@ import com.google.gson.stream.JsonWriter;
  */
 final class JSONStreamWriterInvisibleContext extends JSONStreamWriterURIContext {
     JSONStreamWriterInvisibleContext(final JSONStreamWriterContext parent) {
-        super(Preconditions.checkNotNull(parent), parent.getNamespace());
+        super(requireNonNull(parent), parent.getNamespace());
     }
 
     @Override