| /* |
| * Copyright (C) 2019 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.provider.settings.validators; |
| |
| import android.annotation.Nullable; |
| |
| /** |
| * Validate the elements in a list. |
| * |
| * @hide |
| */ |
| abstract class ListValidator implements Validator { |
| |
| private String mListSplitRegex; |
| |
| ListValidator(String listSplitRegex) { |
| mListSplitRegex = listSplitRegex; |
| } |
| |
| public boolean validate(@Nullable String value) { |
| if (!isEntryValid(value)) { |
| return false; |
| } |
| String[] items = value.split(","); |
| for (String item : items) { |
| if (!isItemValid(item)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| protected abstract boolean isEntryValid(String entry); |
| |
| protected abstract boolean isItemValid(String item); |
| } |
| |