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 android.service.autofill;
  
  import static android.view.autofill.Helper.sDebug;
  
  import android.annotation.NonNull;
  import android.os.Parcel;
  import android.os.Parcelable;
  
  import com.android.internal.util.Preconditions;
  
  /**
   * Validator used to implement a {@code NOT} logical operation.
   *
   * @hide
   */
  final class NegationValidator extends InternalValidator {
      @NonNull private final InternalValidator mValidator;
  
      NegationValidator(@NonNull InternalValidator validator) {
          mValidator = Preconditions.checkNotNull(validator);
      }
  
      @Override
      public boolean isValid(@NonNull ValueFinder finder) {
          return !mValidator.isValid(finder);
      }
  
      /////////////////////////////////////
      // Object "contract" methods. //
      /////////////////////////////////////
      @Override
      public String toString() {
          if (!sDebug) return super.toString();
  
          return "NegationValidator: [validator=" + mValidator + "]";
      }
  
      /////////////////////////////////////
      // Parcelable "contract" methods. //
      /////////////////////////////////////
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeParcelable(mValidator, flags);
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<NegationValidator> CREATOR =
              new Parcelable.Creator<NegationValidator>() {
          @Override
          public NegationValidator createFromParcel(Parcel parcel) {
              return new NegationValidator(parcel.readParcelable(null));
          }
  
          @Override
          public NegationValidator[] newArray(int size) {
              return new NegationValidator[size];
          }
      };
  }
  