Mass-migrate to Objects.requireNonNull()

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / util / FilteringSchemaContextProxy.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/FilteringSchemaContextProxy.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/FilteringSchemaContextProxy.java
index d8a41fb7f29599b7f7f52423d28fedaae0f06dd7..7fae683b310fb7473c3f360bbf1f72befe8bdb4c 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/FilteringSchemaContextProxy.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/util/FilteringSchemaContextProxy.java
@@ -7,6 +7,9 @@
  */
 package org.opendaylight.yangtools.yang.model.util;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
 import com.google.common.collect.Collections2;
@@ -58,8 +61,8 @@ public final class FilteringSchemaContextProxy extends AbstractSchemaContext {
      */
     public FilteringSchemaContextProxy(final SchemaContext delegate, final Collection<ModuleId> rootModules,
             final Set<ModuleId> additionalModuleIds) {
-        Preconditions.checkNotNull(rootModules, "Base modules cannot be null.");
-        Preconditions.checkNotNull(additionalModuleIds, "Additional modules cannot be null.");
+        requireNonNull(rootModules, "Base modules cannot be null.");
+        requireNonNull(additionalModuleIds, "Additional modules cannot be null.");
 
         final Builder<Module> filteredModulesBuilder = new Builder<>();
 
@@ -207,10 +210,9 @@ public final class FilteringSchemaContextProxy extends AbstractSchemaContext {
         private final Revision rev;
 
         public ModuleId(final String name, final Optional<Revision> rev) {
-            Preconditions.checkArgument(!Strings.isNullOrEmpty(name),
-                    "No module dependency name given. Nothing to do.");
+            checkArgument(!Strings.isNullOrEmpty(name), "No module dependency name given. Nothing to do.");
             this.name = name;
-            Preconditions.checkArgument(rev.isPresent(), "No revision date given. Nothing to do.");
+            checkArgument(rev.isPresent(), "No revision date given. Nothing to do.");
             this.rev = rev.get();
         }