package org.opendaylight.yangtools.yang.data.impl.codec;
import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
-import com.google.common.base.Strings;
import java.util.Optional;
+import org.opendaylight.yangtools.yang.common.Empty;
import org.opendaylight.yangtools.yang.data.api.codec.EmptyCodec;
import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
-final class EmptyStringCodec extends TypeDefinitionAwareCodec<Void, EmptyTypeDefinition> implements
+final class EmptyStringCodec extends TypeDefinitionAwareCodec<Empty, EmptyTypeDefinition> implements
EmptyCodec<String> {
static final EmptyStringCodec INSTANCE = new EmptyStringCodec();
private EmptyStringCodec() {
- super(Optional.empty(), Void.class);
+ super(Optional.empty(), Empty.class);
}
@Override
- public String serialize(final Void data) {
+ public String serialize(final Empty data) {
+ requireNonNull(data);
return "";
}
@Override
- public Void deserialize(final String stringRepresentation) {
- checkArgument(Strings.isNullOrEmpty(stringRepresentation), "The value must be empty");
- return null;
+ public Empty deserialize(final String stringRepresentation) {
+ checkArgument(stringRepresentation.isEmpty(), "The value must be empty");
+ return Empty.getInstance();
}
}
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