| /* |
| * Copyright 2000-2011 JetBrains s.r.o. |
| * |
| * 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.intellij.util.download; |
| |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.List; |
| |
| /** |
| * Use {@link DownloadableFileService} to create instances of this interface |
| * |
| * @author nik |
| */ |
| public interface DownloadableFileSetVersions<F extends DownloadableFileSetDescription> { |
| /** |
| * Fetches available versions of file sets and calls {@code callback.onSuccess} when finished |
| * @param callback callback to receive the result |
| */ |
| void fetchVersions(@NotNull FileSetVersionsCallback<F> callback); |
| |
| @NotNull |
| List<F> fetchVersions(); |
| |
| abstract class FileSetVersionsCallback<F extends DownloadableFileSetDescription> { |
| public abstract void onSuccess(@NotNull List<? extends F> versions); |
| |
| public void onError(@NotNull String errorMessage) { |
| } |
| } |
| } |