*/
package org.opendaylight.yangtools.yang.data.jaxen;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.base.Joiner;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
import com.google.common.base.Verify;
import com.google.common.collect.Iterators;
import com.google.common.collect.UnmodifiableIterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.NoSuchElementException;
+import java.util.Optional;
import java.util.Set;
import javax.annotation.Nonnull;
import org.jaxen.DefaultNavigator;
private final JaxenDocument document;
NormalizedNodeNavigator(final ConverterNamespaceContext context, final JaxenDocument document) {
- this.namespaceContext = Preconditions.checkNotNull(context);
+ this.namespaceContext = requireNonNull(context);
this.document = document;
}
private NormalizedNodeContext next;
NormalizedNodeContextIterator(final NormalizedNodeContext initial) {
- this.next = Preconditions.checkNotNull(initial);
+ this.next = requireNonNull(initial);
}
@Override