diff options
Diffstat (limited to 'java/com/google/devtools/build/android/desugar/io/OutputFileProvider.java')
-rw-r--r-- | java/com/google/devtools/build/android/desugar/io/OutputFileProvider.java | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/google/devtools/build/android/desugar/io/OutputFileProvider.java b/java/com/google/devtools/build/android/desugar/io/OutputFileProvider.java new file mode 100644 index 0000000..e693786 --- /dev/null +++ b/java/com/google/devtools/build/android/desugar/io/OutputFileProvider.java @@ -0,0 +1,45 @@ +// Copyright 2017 The Bazel Authors. All rights reserved. +// +// 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.devtools.build.android.desugar.io; + +import com.google.errorprone.annotations.MustBeClosed; +import java.io.IOException; +import java.nio.file.Files; +import java.nio.file.Path; + +/** Output file provider allows to write files in directory or jar files. */ +public interface OutputFileProvider extends AutoCloseable { + + /** Filename to use to write out dependency metadata for later consistency checking. */ + public static final String DESUGAR_DEPS_FILENAME = "META-INF/desugar_deps"; + + /** + * Copy {@code filename} from {@code inputFileProvider} to this output. If input file provider is + * a {@link ZipInputFileProvider} then the metadata of the zip entry are kept. + */ + void copyFrom(String filename, InputFileProvider inputFileProvider) throws IOException; + + /** Write {@code content} in {@code filename} to this output */ + void write(String filename, byte[] content) throws IOException; + + /** Transform a Path to an {@link OutputFileProvider} */ + @MustBeClosed + public static OutputFileProvider create(Path path) throws IOException { + if (Files.isDirectory(path)) { + return new DirectoryOutputFileProvider(path); + } else { + return new ZipOutputFileProvider(path); + } + } +} |