2 * Copyright (c) 2019 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.concepts;
10 import static com.google.common.base.Verify.verifyNotNull;
11 import static java.util.Objects.requireNonNull;
13 import com.google.common.annotations.Beta;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.eclipse.jdt.annotation.Nullable;
18 * An abstract base class enforcing nullness contract around {@link IllegalArgumentCodec} interface.
20 * @param <S> Serializied (external) type
21 * @param <D> Deserialized (internal) type
24 public abstract class AbstractIllegalArgumentCodec<S, D> implements IllegalArgumentCodec<S, D> {
26 public final D deserialize(final S input) {
27 return verifyResult(deserializeImpl(requireNonNull(input)), input);
31 public final S serialize(final D input) {
32 return verifyResult(serializeImpl(requireNonNull(input)), input);
35 // implementation is guarded from nulls and verified not to return null
36 protected abstract @NonNull D deserializeImpl(@NonNull S product);
38 // implementation is guarded from nulls and verified not to return null
39 protected abstract @NonNull S serializeImpl(@NonNull D input);
41 private <X> X verifyResult(final @Nullable X result, final Object input) {
42 return verifyNotNull(result, "Codec %s returned null on %s", this, input);