| /* |
| * Copyright (C) 2016 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.tools.build.apkzlib.zip; |
| |
| import com.android.tools.build.apkzlib.zip.utils.CloseableByteSource; |
| import com.google.common.io.Closer; |
| import java.io.Closeable; |
| import java.io.IOException; |
| import javax.annotation.Nonnull; |
| |
| /** |
| * Container that has two bytes sources: one representing raw data and another processed data. |
| * In case of compression, the raw data is the compressed data and the processed data is the |
| * uncompressed data. It is valid for a RaP ("Raw-and-Processed") to contain the same byte sources |
| * for both processed and raw data. |
| */ |
| public class ProcessedAndRawByteSources implements Closeable { |
| |
| /** |
| * The processed byte source. |
| */ |
| @Nonnull |
| private final CloseableByteSource processedSource; |
| |
| /** |
| * The processed raw source. |
| */ |
| @Nonnull |
| private final CloseableByteSource rawSource; |
| |
| /** |
| * Creates a new container. |
| * |
| * @param processedSource the processed source |
| * @param rawSource the raw source |
| */ |
| public ProcessedAndRawByteSources(@Nonnull CloseableByteSource processedSource, |
| @Nonnull CloseableByteSource rawSource) { |
| this.processedSource = processedSource; |
| this.rawSource = rawSource; |
| } |
| |
| /** |
| * Obtains a byte source that read the processed contents of the entry. |
| * |
| * @return a byte source |
| */ |
| @Nonnull |
| public CloseableByteSource getProcessedByteSource() { |
| return processedSource; |
| } |
| |
| /** |
| * Obtains a byte source that reads the raw contents of an entry. This is the data that is |
| * ultimately stored in the file and, in the case of compressed files, is the same data in the |
| * source returned by {@link #getProcessedByteSource()}. |
| * |
| * @return a byte source |
| */ |
| @Nonnull |
| public CloseableByteSource getRawByteSource() { |
| return rawSource; |
| } |
| |
| @Override |
| public void close() throws IOException { |
| Closer closer = Closer.create(); |
| closer.register(processedSource); |
| closer.register(rawSource); |
| closer.close(); |
| } |
| } |