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// Copyright 2014 Google Inc. 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.xcode.zippingoutput;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.singlejar.ZipCombiner;
import com.google.devtools.build.xcode.zip.ZipInputEntry;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
/** Utility code for working with {@link Wrapper}s. */
public class Wrappers {
private Wrappers() {
throw new UnsupportedOperationException("static-only");
}
/**
* Runs the given wrapper using command-line arguments passed to the {@code main} method. Calling
* this method should be the last thing you do in {@code main}, because it may exit prematurely
* with {@link System#exit(int)}.
*/
public static void execute(String[] argsArray, Wrapper wrapper)
throws IOException, InterruptedException {
ArgumentsParsing argsParsing = ArgumentsParsing.parse(
FileSystems.getDefault(), argsArray, wrapper.name(), wrapper.subtoolName());
for (String error : argsParsing.error().asSet()) {
System.err.printf(error);
System.exit(1);
}
for (Arguments args : argsParsing.arguments().asSet()) {
Path outputDir = Files.createTempDirectory("ZippingOutput");
Path rootedOutputDir = outputDir.resolve(args.bundleRoot());
Files.createDirectories(
wrapper.outputDirectoryMustExist() ? rootedOutputDir : rootedOutputDir.getParent());
ImmutableList<String> subCommandArguments =
ImmutableList.copyOf(wrapper.subCommand(args, rootedOutputDir.toString()));
Process subProcess = new ProcessBuilder(subCommandArguments).inheritIO().start();
int exit = subProcess.waitFor();
if (exit != 0) {
System.exit(exit);
}
try (OutputStream out = Files.newOutputStream(Paths.get(args.outputZip()));
ZipCombiner combiner = new ZipCombiner(out)) {
ZipInputEntry.addAll(combiner, ZipInputEntry.fromDirectory(outputDir));
}
}
}
}
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