| /* |
| * Copyright (C) 2011 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 com.android.tradefed.build; |
| |
| import java.io.File; |
| |
| /** |
| * A wrapper class that provides {@link FileDownloadCache} facilities while implementing the |
| * {@link IFileDownloader} interface. |
| * <p/> |
| * Useful for cases where you want to abstract the use of the cache from callers. |
| */ |
| public class FileDownloadCacheWrapper implements IFileDownloader { |
| |
| private final FileDownloadCache mCache; |
| private final IFileDownloader mDelegateDownloader; |
| |
| public FileDownloadCacheWrapper(File cacheDir, IFileDownloader delegateDownloader) { |
| mCache = FileDownloadCacheFactory.getInstance().getCache(cacheDir); |
| mDelegateDownloader = delegateDownloader; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public File downloadFile(String remoteFilePath) throws BuildRetrievalError { |
| return mCache.fetchRemoteFile(mDelegateDownloader, remoteFilePath); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void downloadFile(String remotePath, File destFile) throws BuildRetrievalError { |
| throw new UnsupportedOperationException(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public boolean isFresh(File localFile, String remoteFilePath) throws BuildRetrievalError { |
| return mDelegateDownloader.isFresh(localFile, remoteFilePath); |
| } |
| } |