AutofillServiceHelper.java revision 25960891466a5291c4e71309a07cb9f53fea9c16 
1/*
2 * Copyright (C) 2018 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
17package android.service.autofill;
18
19import android.annotation.Nullable;
20import android.view.autofill.AutofillId;
21
22import com.android.internal.util.Preconditions;
23
24/** @hide */
25final class AutofillServiceHelper {
26
27    static AutofillId[] assertValid(@Nullable AutofillId[] ids) {
28        Preconditions.checkArgument(ids != null && ids.length > 0, "must have at least one id");
29        return Preconditions.checkArrayElementsNotNull(ids, "ids");
30    }
31
32    private AutofillServiceHelper() {
33        throw new UnsupportedOperationException("contains static members only");
34    }
35}
36