common/device-side/util-axt/src/com/android/compatibility/common/util/ProtoUtils.java

/*
 * Copyright (C) 2019 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.android.compatibility.common.util;

import android.app.UiAutomation;

/**
 * Utility class for proto dumps.
 */
public class ProtoUtils {
    public static final String DUMPSYS_JOB_SCHEDULER = "dumpsys jobscheduler --proto";

    /**
     * Call onto the device with an adb shell command and get the results of
     * that as a proto of the given type.
     *
     * @param clazz  A protobuf message class. e.g. MyProto
     * @param command The adb shell command to run. e.g. "dumpsys jobscheduler --proto"
     */
    public static <T> T getProto(UiAutomation automation, Class<T> clazz, String command)
            throws Exception {
        return clazz.cast(clazz.getDeclaredMethod("parseFrom", byte[].class)
                .invoke(null, SystemUtil.runShellCommandByteOutput(automation, command)));
    }
}