package com.kpelykh.docker.client.utils;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.commons.io.FileUtils;
import java.io.*;
public class CompressArchiveUtil {
public static File archiveTARFiles(File base, Iterable<File> files, String archiveNameWithOutExtension) throws IOException {
File tarFile = new File(FileUtils.getTempDirectoryPath(), archiveNameWithOutExtension + ".tar");
TarArchiveOutputStream tos = new TarArchiveOutputStream(new FileOutputStream(tarFile));
try {
tos.setLongFileMode(TarArchiveOutputStream.LONGFILE_GNU);
for (File file : files) {
TarArchiveEntry tarEntry = new TarArchiveEntry(file);
tarEntry.setName(relativize(base, file));
tos.putArchiveEntry(tarEntry);
if (!file.isDirectory()) {
FileUtils.copyFile(file, tos);
}
tos.closeArchiveEntry();
}
} finally {
tos.close();
}
return tarFile;
}
private static String relativize(File base, File absolute) {
String relative = base.toURI().relativize(absolute.toURI()).getPath();
return relative;
}
}