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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.
import static java.nio.charset.StandardCharsets.UTF_8;
import com.google.common.io.ByteStreams;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.jar.JarOutputStream;
import java.util.zip.ZipEntry;
/** A generator for a jar file containing module-info.class files, and one real class file. */
public class GenModuleInfo {
public static void main(String[] args) throws IOException {
try (JarOutputStream jos = new JarOutputStream(Files.newOutputStream(Paths.get(args[0])))) {
addEntry(jos, "module-info.class");
jos.write("hello".getBytes(UTF_8));
addEntry(jos, "foo/module-info.class");
jos.write("goodbye".getBytes(UTF_8));
addEntry(jos, "java/lang/String.class");
ByteStreams.copy(String.class.getResourceAsStream("/java/lang/String.class"), jos);
}
}
private static void addEntry(JarOutputStream jos, String name) throws IOException {
ZipEntry ze = new ZipEntry(name);
ze.setTime(0);
jos.putNextEntry(ze);
}
}
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