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 */
16package android.service.autofill;
17
18import android.annotation.NonNull;
19import android.annotation.TestApi;
20import android.os.Parcelable;
21
22/**
23 * Superclass of all validators the system understands. As this is not public all public subclasses
24 * have to implement {@link Validator} again.
25 *
26 * @hide
27 */
28@TestApi
29public abstract class InternalValidator implements Validator, Parcelable {
30
31    /**
32     * Decides whether the contents of the screen are valid.
33     *
34     * @param finder object used to find the value of a field in the screen.
35     * @return {@code true} if the contents are valid, {@code false} otherwise.
36     *
37     * @hide
38     */
39    @TestApi
40    public abstract boolean isValid(@NonNull ValueFinder finder);
41}
42