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 android.util.Log;
  
  import com.android.internal.util.Preconditions;
  
  /**
   * Compound validator that returns {@code true} on {@link #isValid(ValueFinder)} if any
   * of its subvalidators returns {@code true} as well.
   *
   * <p>Used to implement an {@code OR} logical operation.
   *
   * @hide
   */
  final class OptionalValidators extends InternalValidator {
  
      private static final String TAG = "OptionalValidators";
  
      @NonNull private final InternalValidator[] mValidators;
  
      OptionalValidators(@NonNull InternalValidator[] validators) {
          mValidators = Preconditions.checkArrayElementsNotNull(validators, "validators");
      }
  
      @Override
      public boolean isValid(@NonNull ValueFinder finder) {
          for (InternalValidator validator : mValidators) {
              final boolean valid = validator.isValid(finder);
              if (sDebug) Log.d(TAG, "isValid(" + validator + "): " + valid);
              if (valid) return true;
          }
  
          return false;
      }
  
      /////////////////////////////////////
      // Object "contract" methods. //
      /////////////////////////////////////
      @Override
      public String toString() {
          if (!sDebug) return super.toString();
  
          return new StringBuilder("OptionalValidators: [validators=").append(mValidators)
                  .append("]")
                  .toString();
      }
  
      /////////////////////////////////////
      // Parcelable "contract" methods. //
      /////////////////////////////////////
      @Override
      public int describeContents() {
          return 0;
      }
  
      @Override
      public void writeToParcel(Parcel dest, int flags) {
          dest.writeParcelableArray(mValidators, flags);
      }
  
      public static final @android.annotation.NonNull Parcelable.Creator<OptionalValidators> CREATOR =
              new Parcelable.Creator<OptionalValidators>() {
          @Override
          public OptionalValidators createFromParcel(Parcel parcel) {
              return new OptionalValidators(parcel
                  .readParcelableArray(null, InternalValidator.class));
          }
  
          @Override
          public OptionalValidators[] newArray(int size) {
              return new OptionalValidators[size];
          }
      };
  }
  