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/*
* Copyright 2023 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.android.sandboxedsdktoolbox.info;
import com.android.bundle.SdkMetadataOuterClass.SdkMetadata;
import com.android.bundle.SdkModulesConfigOuterClass.RuntimeEnabledSdkVersion;
import com.android.bundle.SdkModulesConfigOuterClass.SdkModulesConfig;
import com.android.tools.build.bundletool.model.RuntimeEnabledSdkVersionEncoder;
import com.google.protobuf.ExtensionRegistry;
import com.google.protobuf.util.JsonFormat;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.URI;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.HashMap;
/** Reads SDK information SDK archives and Bundle metadata files. */
public final class SdkInfoReader {
// SDK metadata proto sits at the top level of an ASAR.
private static final String SDK_METADATA_ENTRY_PATH = "SdkMetadata.pb";
public static SdkInfo readFromSdkModuleJsonFile(Path sdkModulesConfigPath) {
SdkModulesConfig.Builder modulesConfig = SdkModulesConfig.newBuilder();
try {
JsonFormat.parser().merge(Files.newBufferedReader(sdkModulesConfigPath), modulesConfig);
return new SdkInfo(
modulesConfig.getSdkPackageName(), getVersionMajor(modulesConfig.getSdkVersion()));
} catch (IOException e) {
throw new UncheckedIOException("Failed to parse SDK Module Config.", e);
}
}
public static SdkInfo readFromSdkArchive(Path sdkArchivePath) {
URI uri = URI.create("jar:" + sdkArchivePath.toUri());
try (FileSystem zipfs = FileSystems.newFileSystem(uri, new HashMap<String, String>())) {
Path metadataInAsar = zipfs.getPath(SDK_METADATA_ENTRY_PATH);
if (!Files.exists(metadataInAsar)) {
throw new IllegalStateException(
String.format("Could not find %s in %s", SDK_METADATA_ENTRY_PATH, sdkArchivePath));
}
SdkMetadata metadata =
SdkMetadata.parseFrom(
Files.readAllBytes(metadataInAsar), ExtensionRegistry.getEmptyRegistry());
return new SdkInfo(metadata.getPackageName(), getVersionMajor(metadata.getSdkVersion()));
} catch (IOException e) {
throw new UncheckedIOException("Failed to extract SDK API descriptors.", e);
}
}
private static long getVersionMajor(RuntimeEnabledSdkVersion version) {
return RuntimeEnabledSdkVersionEncoder.encodeSdkMajorAndMinorVersion(
version.getMajor(), version.getMinor());
}
private SdkInfoReader() {}
}
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