1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.service.autofill; 18 19 import static android.view.autofill.Helper.sDebug; 20 21 import android.annotation.NonNull; 22 import android.os.Parcel; 23 import android.os.Parcelable; 24 import android.util.Log; 25 26 import com.android.internal.util.Preconditions; 27 28 /** 29 * Compound validator that returns {@code true} on {@link #isValid(ValueFinder)} if any 30 * of its subvalidators returns {@code true} as well. 31 * 32 * <p>Used to implement an {@code OR} logical operation. 33 * 34 * @hide 35 */ 36 final class OptionalValidators extends InternalValidator { 37 38 private static final String TAG = "OptionalValidators"; 39 40 @NonNull private final InternalValidator[] mValidators; 41 42 OptionalValidators(@NonNull InternalValidator[] validators) { 43 mValidators = Preconditions.checkArrayElementsNotNull(validators, "validators"); 44 } 45 46 @Override 47 public boolean isValid(@NonNull ValueFinder finder) { 48 for (InternalValidator validator : mValidators) { 49 final boolean valid = validator.isValid(finder); 50 if (sDebug) Log.d(TAG, "isValid(" + validator + "): " + valid); 51 if (valid) return true; 52 } 53 54 return false; 55 } 56 57 ///////////////////////////////////// 58 // Object "contract" methods. // 59 ///////////////////////////////////// 60 @Override 61 public String toString() { 62 if (!sDebug) return super.toString(); 63 64 return new StringBuilder("OptionalValidators: [validators=").append(mValidators) 65 .append("]") 66 .toString(); 67 } 68 69 ///////////////////////////////////// 70 // Parcelable "contract" methods. // 71 ///////////////////////////////////// 72 @Override 73 public int describeContents() { 74 return 0; 75 } 76 77 @Override 78 public void writeToParcel(Parcel dest, int flags) { 79 dest.writeParcelableArray(mValidators, flags); 80 } 81 82 public static final Parcelable.Creator<OptionalValidators> CREATOR = 83 new Parcelable.Creator<OptionalValidators>() { 84 @Override 85 public OptionalValidators createFromParcel(Parcel parcel) { 86 return new OptionalValidators(parcel 87 .readParcelableArray(null, InternalValidator.class)); 88 } 89 90 @Override 91 public OptionalValidators[] newArray(int size) { 92 return new OptionalValidators[size]; 93 } 94 }; 95 } 96
