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 androidx.test.espresso.web.assertion;
  
  import static androidx.test.internal.util.Checks.checkNotNull;
  
  import androidx.annotation.NonNull;
  import com.google.protobuf.ByteString;
  import org.w3c.dom.Document;
  
  /** Converters for converting a {@link Document} into a {@link ByteString} */
  final class DocumentProtoConverters {
    /**
     * Performs a {@link Document} to {@link ByteString} conversion.
     *
     * @param document to convert to a {@link ByteString}
     * @return wrapped {@link ByteString}
     */
    static ByteString documentToByteString(@NonNull Document document) {
      return new DocumentToByteStringConverter()
          .convert(checkNotNull(document, "document cannot be null!"));
    }
  
    /**
     * Performs a {@link ByteString} to {@link Document} conversion.
     *
     * @param byteString to convert to a {@link Document}
     * @return unwrapped {@link Document}
     */
    static Document byteStringToDocument(ByteString byteString) {
      return new ByteStringToDocumentConverter()
          .convert(checkNotNull(byteString, "byteString cannot be null!"));
    }
  }
  