Cleanup use of Guava library

[yangtools.git] / common / util / src / main / java / org / opendaylight / yangtools / util / ImmutableOffsetMap.java

diff --git a/common/util/src/main/java/org/opendaylight/yangtools/util/ImmutableOffsetMap.java b/common/util/src/main/java/org/opendaylight/yangtools/util/ImmutableOffsetMap.java
index f45bbf6f15add26144973ba772ea06bd69600df8..5d66d317afa3b81d2477ae26e22f5ea624dd2b1b 100644 (file)
--- a/common/util/src/main/java/org/opendaylight/yangtools/util/ImmutableOffsetMap.java
+++ b/common/util/src/main/java/org/opendaylight/yangtools/util/ImmutableOffsetMap.java
@@ -7,8 +7,10 @@
  */
 package org.opendaylight.yangtools.util;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.annotations.Beta;
-import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.UnmodifiableIterator;
 import java.io.IOException;
@@ -93,9 +95,9 @@ public abstract class ImmutableOffsetMap<K, V> implements UnmodifiableMapPhase<K
      *              is responsible for ensuring its contents remain unmodified.
      */
     ImmutableOffsetMap(@Nonnull final Map<K, Integer> offsets, @Nonnull final V[] objects) {
-        this.offsets = Preconditions.checkNotNull(offsets);
-        this.objects = Preconditions.checkNotNull(objects);
-        Preconditions.checkArgument(offsets.size() == objects.length);
+        this.offsets = requireNonNull(offsets);
+        this.objects = requireNonNull(objects);
+        checkArgument(offsets.size() == objects.length);
     }
 
     @Nonnull