| /* |
| * Copyright 2022 Google LLC |
| * |
| * 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 com.google.android.libraries.mobiledatadownload.downloader; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.common.base.Optional; |
| |
| /** Response for checking content change. */ |
| @AutoValue |
| public abstract class CheckContentChangeResponse { |
| |
| CheckContentChangeResponse() {} |
| |
| /** Whether or not the content is changed. */ |
| public abstract boolean contentChanged(); |
| |
| /** |
| * The optional fresh ETag that is being fetched from the url. When the value euquals {@link |
| * Optional#absent()}, it means that the target url does not support ETag. |
| */ |
| public abstract Optional<String> freshETagOptional(); |
| |
| public static Builder newBuilder() { |
| return new AutoValue_CheckContentChangeResponse.Builder(); |
| } |
| |
| /** Builder for {@link CheckContentChangeResponse}. */ |
| @AutoValue.Builder |
| public abstract static class Builder { |
| |
| Builder() {} |
| |
| /** Sets whether the content is changed, which is required. */ |
| public abstract Builder setContentChanged(boolean contentChanged); |
| |
| /** Sets the fresh ETag. */ |
| public abstract Builder setFreshETagOptional(Optional<String> freshETagOptional); |
| |
| public abstract CheckContentChangeResponse build(); |
| } |
| } |