public FileTree visit(FileVisitor visitor) {
if (!tarFile.exists()) {
return this;
}
if (!tarFile.isFile()) {
throw new InvalidUserDataException(
String.format("Cannot expand %s as it is not a file.", this));
}
AtomicBoolean stopFlag = new AtomicBoolean();
try {
FileInputStream inputStream = new FileInputStream(tarFile);
try {
NoCloseTarInputStream tar = new NoCloseTarInputStream(inputStream);
TarArchiveEntry entry;
while (!stopFlag.get() && (entry = tar.getNextTarEntry()) != null) {
if (entry.isDirectory()) {
visitor.visitDir(new DetailsImpl(entry, tar, stopFlag));
} else {
visitor.visitFile(new DetailsImpl(entry, tar, stopFlag));
}
}
} finally {
inputStream.close();
}
} catch (Exception e) {
throw new GradleException(String.format("Could not expand %s.", this), e);
}
return this;
}
public InputStream open() {
if (read && file != null) {
return GFileUtils.openInputStream(file);
}
if (read || tar.getCurrent() != entry) {
throw new UnsupportedOperationException(
String.format("The contents of %s has already been read.", this));
}
read = true;
return tar;
}
