Cleanup use of Guava library

[yangtools.git] / yang / yang-data-api / src / main / java / org / opendaylight / yangtools / yang / data / api / schema / stream / NormalizedNodeStreamWriter.java

diff --git a/yang/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/stream/NormalizedNodeStreamWriter.java b/yang/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/stream/NormalizedNodeStreamWriter.java
index f07aa0dabfa6d932fb8e3d7adc00e59444d553d6..2f3b2af7bc9f0b434f331f84d2e0c0be1e48b071 100644 (file)
--- a/yang/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/stream/NormalizedNodeStreamWriter.java
+++ b/yang/yang-data-api/src/main/java/org/opendaylight/yangtools/yang/data/api/schema/stream/NormalizedNodeStreamWriter.java
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.yangtools.yang.data.api.schema.stream;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import java.io.Closeable;
 import java.io.Flushable;
 import java.io.IOException;
@@ -18,7 +19,6 @@ import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdent
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 
-
 /**
  * Event Stream Writer based on Normalized Node tree representation
  *
@@ -476,7 +476,7 @@ public interface NormalizedNodeStreamWriter extends Closeable, Flushable {
      * @throws NullPointerException if the argument is null
      */
     default void nextDataSchemaNode(@Nonnull final DataSchemaNode schema) {
-        Preconditions.checkNotNull(schema);
+        requireNonNull(schema);
     }
 
     @Override