content: /*
   * Copyright (C) 2017 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.android.apps.common.testing.broker;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import com.beust.jcommander.IStringConverter;
  
  /** Converts strings to enums for JCommander. */
  public class EnumConverters {
    /** Abs enum converter */
    public static class AbsEnumConverter<T extends Enum<T>> implements IStringConverter<T> {
      private final Class<T> clazz;
  
      public AbsEnumConverter(Class<T> clazz) {
        this.clazz = checkNotNull(clazz);
      }
  
      @Override
      public final T convert(String value) {
        return Enum.valueOf(clazz, value);
      }
    }
  
    /** DeviceBroker type converter */
    public static class DeviceBrokerTypeConverter extends AbsEnumConverter<DeviceBrokerType> {
      public DeviceBrokerTypeConverter() {
        super(DeviceBrokerType.class);
      }
    }
  
    /** Open GL driver converter */
    public static class OpenGlDriverConverter extends AbsEnumConverter<OpenGlDriver> {
      public OpenGlDriverConverter() {
        super(OpenGlDriver.class);
      }
    }
  
    /** Network type converter */
    public static class NetworkTypeConverter extends AbsEnumConverter<NetworkType> {
      public NetworkTypeConverter() {
        super(NetworkType.class);
      }
    }
  }
  