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// 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);
}
}
}
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