| // Copyright 2017 The Bazel Authors. All rights reserved. |
| // |
| // 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.devtools.build.lib.skyframe.serialization; |
| |
| import com.google.devtools.build.lib.cmdline.LabelSyntaxException; |
| import com.google.devtools.build.lib.cmdline.RepositoryName; |
| import com.google.protobuf.CodedInputStream; |
| import com.google.protobuf.CodedOutputStream; |
| import java.io.IOException; |
| |
| /** Custom serialization for {@link RepositoryName}. */ |
| class RepositoryNameCodec implements ObjectCodec<RepositoryName> { |
| |
| @Override |
| public Class<RepositoryName> getEncodedClass() { |
| return RepositoryName.class; |
| } |
| |
| @Override |
| public void serialize(RepositoryName repoName, CodedOutputStream codedOut) throws IOException { |
| boolean isMain = repoName.isMain(); |
| // Main is by far the most common. Use boolean to short-circuit string encoding on |
| // serialization and byte[]/ByteString creation on deserialization. |
| codedOut.writeBoolNoTag(isMain); |
| if (!isMain) { |
| codedOut.writeStringNoTag(repoName.getName()); |
| } |
| } |
| |
| @Override |
| public RepositoryName deserialize(CodedInputStream codedIn) |
| throws SerializationException, IOException { |
| boolean isMain = codedIn.readBool(); |
| if (isMain) { |
| return RepositoryName.MAIN; |
| } |
| try { |
| // We can read the string we wrote back as bytes to avoid string decoding/copying. |
| return SerializationCommonUtils.deserializeRepoName(codedIn.readBytes()); |
| } catch (LabelSyntaxException e) { |
| throw new SerializationException("Failed to deserialize RepositoryName", e); |
| } |
| } |
| } |