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// Copyright (C) 2018 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.gerrit.entities.converter;
import com.google.common.collect.ImmutableList;
import com.google.errorprone.annotations.Immutable;
import com.google.gerrit.entities.Account;
import com.google.gerrit.entities.PatchSet;
import com.google.gerrit.proto.Entities;
import com.google.protobuf.Parser;
import java.sql.Timestamp;
import java.util.List;
import org.eclipse.jgit.lib.ObjectId;
@Immutable
public enum PatchSetProtoConverter implements ProtoConverter<Entities.PatchSet, PatchSet> {
INSTANCE;
private final ProtoConverter<Entities.PatchSet_Id, PatchSet.Id> patchSetIdConverter =
PatchSetIdProtoConverter.INSTANCE;
private final ProtoConverter<Entities.ObjectId, ObjectId> objectIdConverter =
ObjectIdProtoConverter.INSTANCE;
private final ProtoConverter<Entities.Account_Id, Account.Id> accountIdConverter =
AccountIdProtoConverter.INSTANCE;
@Override
public Entities.PatchSet toProto(PatchSet patchSet) {
Entities.PatchSet.Builder builder =
Entities.PatchSet.newBuilder()
.setId(patchSetIdConverter.toProto(patchSet.id()))
.setCommitId(objectIdConverter.toProto(patchSet.commitId()))
.setUploaderAccountId(accountIdConverter.toProto(patchSet.uploader()))
.setCreatedOn(patchSet.createdOn().getTime());
List<String> groups = patchSet.groups();
if (!groups.isEmpty()) {
builder.setGroups(PatchSet.joinGroups(groups));
}
patchSet.pushCertificate().ifPresent(builder::setPushCertificate);
patchSet.description().ifPresent(builder::setDescription);
return builder.build();
}
@Override
public PatchSet fromProto(Entities.PatchSet proto) {
PatchSet.Builder builder =
PatchSet.builder()
.id(patchSetIdConverter.fromProto(proto.getId()))
.groups(
proto.hasGroups() ? PatchSet.splitGroups(proto.getGroups()) : ImmutableList.of());
if (proto.hasPushCertificate()) {
builder.pushCertificate(proto.getPushCertificate());
}
if (proto.hasDescription()) {
builder.description(proto.getDescription());
}
// The following fields used to theoretically be nullable in PatchSet, but in practice no
// production codepath should have ever serialized an instance that was missing one of these
// fields.
//
// However, since some protos may theoretically be missing these fields, we need to support
// them. Populate specific sentinel values for each field as documented in the PatchSet javadoc.
// Callers that encounter one of these sentinels will likely fail, for example by failing to
// look up the zeroId. They would have also failed back when the fields were nullable, for
// example with NPE; the current behavior just fails slightly differently.
builder
.commitId(
proto.hasCommitId()
? objectIdConverter.fromProto(proto.getCommitId())
: ObjectId.zeroId())
.uploader(
proto.hasUploaderAccountId()
? accountIdConverter.fromProto(proto.getUploaderAccountId())
: Account.id(0))
.createdOn(proto.hasCreatedOn() ? new Timestamp(proto.getCreatedOn()) : new Timestamp(0));
return builder.build();
}
@Override
public Parser<Entities.PatchSet> getParser() {
return Entities.PatchSet.parser();
}
}
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