content: /*
   * Copyright (C) 2007 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 android.util;
  
  import java.time.temporal.ChronoUnit;
  import java.util.concurrent.TimeUnit;
  
  /**
   * A {@code DataUnit} represents data sizes at a given unit of granularity and
   * provides utility methods to convert across units.
   * <p>
   * Note that both SI units (powers of 10) and IEC units (powers of 2) are
   * supported, and you'll need to pick the correct one for your use-case. For
   * example, Wikipedia defines a "kilobyte" as an SI unit of 1000 bytes, and a
   * "kibibyte" as an IEC unit of 1024 bytes.
   * <p>
   * This design is mirrored after {@link TimeUnit} and {@link ChronoUnit}.
   *
   * @hide
   */
  public enum DataUnit {
      KILOBYTES { @Override public long toBytes(long v) { return v * 1_000; } },
      MEGABYTES { @Override public long toBytes(long v) { return v * 1_000_000; } },
      GIGABYTES { @Override public long toBytes(long v) { return v * 1_000_000_000; } },
      KIBIBYTES { @Override public long toBytes(long v) { return v * 1_024; } },
      MEBIBYTES { @Override public long toBytes(long v) { return v * 1_048_576; } },
      GIBIBYTES { @Override public long toBytes(long v) { return v * 1_073_741_824; } };
  
      public long toBytes(long v) {
          throw new AbstractMethodError();
      }
  }
  