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// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.utils;
import com.android.tools.r8.OutputSink;
import com.google.common.io.Closer;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
public abstract class FileSystemOutputSink implements OutputSink {
private final InternalOptions options;
protected FileSystemOutputSink(InternalOptions options) {
this.options = options;
}
public static FileSystemOutputSink create(Path outputPath, InternalOptions options)
throws IOException {
if (FileUtils.isArchive(outputPath)) {
return new ZipFileOutputSink(outputPath, options);
} else {
return new DirectoryOutputSink(outputPath, options);
}
}
String getOutputFileName(int index) {
return index == 0 ? "classes.dex" : ("classes" + (index + 1) + FileUtils.DEX_EXTENSION);
}
String getOutputFileName(String classDescriptor) throws IOException {
assert classDescriptor != null && DescriptorUtils.isClassDescriptor(classDescriptor);
return DescriptorUtils.getClassBinaryNameFromDescriptor(classDescriptor)
+ FileUtils.DEX_EXTENSION;
}
@Override
public void writePrintUsedInformation(byte[] contents) throws IOException {
writeToFile(options.proguardConfiguration.getPrintUsageFile(), System.out, contents);
}
@Override
public void writeProguardMapFile(byte[] contents) throws IOException {
if (options.proguardConfiguration.getPrintMappingFile() != null) {
writeToFile(options.proguardConfiguration.getPrintMappingFile(), System.out, contents);
}
if (options.proguardMapOutput != null) {
writeToFile(options.proguardMapOutput, System.out, contents);
}
}
@Override
public void writeProguardSeedsFile(byte[] contents) throws IOException {
writeToFile(options.proguardConfiguration.getSeedFile(), System.out, contents);
}
@Override
public void writeMainDexListFile(byte[] contents) throws IOException {
writeToFile(options.printMainDexListFile, System.out, contents);
}
protected void writeToFile(Path output, OutputStream defValue, byte[] contents)
throws IOException {
try (Closer closer = Closer.create()) {
OutputStream outputStream =
FileUtils.openPathWithDefault(
closer,
output,
defValue,
StandardOpenOption.CREATE,
StandardOpenOption.TRUNCATE_EXISTING,
StandardOpenOption.WRITE);
outputStream.write(contents);
}
}
protected OutputMode getOutputMode() {
return options.outputMode;
}
}
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