1 /* 2 * Copyright 2022 Google LLC 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 package com.google.android.libraries.mobiledatadownload; 17 18 import com.google.common.util.concurrent.ListenableFuture; 19 import com.google.errorprone.annotations.CheckReturnValue; 20 import com.google.mobiledatadownload.ClientConfigProto.ClientFileGroup; 21 22 /** 23 * Runs custom validation routine on the file group. The file group is not allowed to become active 24 * unless this returns true. 25 * 26 * <p>This callback is invoked for all file groups in the MDD instance. It is up to the implementor 27 * to handle file groups that don't need validation by, eg, returning true immediately. 28 * 29 * <p>The ClientFileGroup account field is never populated during validation. The status field will 30 * be set to PENDING_CUSTOM_VALIDATION. 31 */ 32 @CheckReturnValue 33 public interface CustomFileGroupValidator { validateFileGroup(ClientFileGroup fileGroup)34 ListenableFuture<Boolean> validateFileGroup(ClientFileGroup fileGroup); 35 } 36