public void unzipOarFile(String outputDirectory) {
FileInputStream fis = null;
ArchiveInputStream in = null;
BufferedInputStream bufferedInputStream = null;
try {
fis = new FileInputStream(zipfileName);
GZIPInputStream is = new GZIPInputStream(new BufferedInputStream(fis));
in = new ArchiveStreamFactory().createArchiveInputStream("tar", is);
bufferedInputStream = new BufferedInputStream(in);
TarArchiveEntry entry = (TarArchiveEntry) in.getNextEntry();
while (entry != null) {
String name = entry.getName();
String[] names = name.split("/");
String fileName = outputDirectory;
for (int i = 0; i < names.length; i++) {
String str = names[i];
fileName = fileName + File.separator + str;
}
if (name.endsWith("/")) {
mkFolder(fileName);
} else {
File file = mkFile(fileName);
bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(file));
int b;
while ((b = bufferedInputStream.read()) != -1) {
bufferedOutputStream.write(b);
}
bufferedOutputStream.flush();
bufferedOutputStream.close();
}
entry = (TarArchiveEntry) in.getNextEntry();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ArchiveException e) {
e.printStackTrace();
} finally {
try {
if (bufferedInputStream != null) {
bufferedInputStream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}