protected void copyFileToFile(File source, File destination) throws IOException {
if (!source.exists()) {
throw new IOException(
"The file '" + source + "' does not exist (tried to link to '" + destination + "').");
}
if (destination.exists()) {
throw new IOException("The file '" + destination + "' already exists.");
}
if (source.isDirectory()) {
if (!destination.mkdirs()) {
throw new IOException("Failed to create the directory '" + destination + "'.");
}
for (File child : source.listFiles()) {
copyFileToFile(child, new File(destination, child.getName()));
}
} else {
FileInputStream fis = new FileInputStream(source);
ERXFileUtilities.writeInputStreamToFile(
fis, destination, (int) source.length(), new NullProgressMonitor());
}
}
public void extractTo(
File destinationFolder, boolean symbolicLinksSupported, IProgressMonitor progressMonitor)
throws IOException, InterruptedException {
long amount = 0;
List<Link> links = new LinkedList<Link>();
try {
byte[] sixBuffer = new byte[6];
byte[] elevenBuffer = new byte[11];
boolean done = false;
do {
String magic = readString(paxStream, sixBuffer);
if (!"070707".equals(magic)) {
throw new IOException(
"Expected magic '070707' but got '"
+ magic
+ "' (next = "
+ readString(paxStream, new byte[50])
+ ").");
} else {
String dev = readString(paxStream, sixBuffer);
String ino = readString(paxStream, sixBuffer);
String modeStr = readString(paxStream, sixBuffer);
String uid = readString(paxStream, sixBuffer);
String gid = readString(paxStream, sixBuffer);
String nlink = readString(paxStream, sixBuffer);
String rdev = readString(paxStream, sixBuffer);
String mtime = readString(paxStream, elevenBuffer);
String nameSizeStr = readString(paxStream, sixBuffer);
String fileSizeStr = readString(paxStream, elevenBuffer);
int nameSize = Integer.parseInt(nameSizeStr, 8);
String name = readString(paxStream, new byte[nameSize]);
int fileSize = Integer.parseInt(fileSizeStr, 8);
if ("TRAILER!!!".equals(name)) {
done = true;
} else {
File destinationFile = toFile(destinationFolder, name);
int mode = Integer.parseInt(modeStr, 8);
if ((mode & S_IFDIR) == S_IFDIR) {
if (".".equals(name)) {
// skip
} else if (destinationFile.exists()) {
throw new IOException("The directory '" + destinationFile + "' already exists.");
} else if (!destinationFile.mkdirs()) {
throw new IOException("Failed to create directory '" + destinationFile + "'.");
}
skipFully(paxStream, fileSize);
} else if ((mode & S_IFLNK) == S_IFLNK) {
String realName = readString(paxStream, new byte[fileSize]);
File realFile = new File(realName);
if (!symbolicLinksSupported) {
realFile = toFile(destinationFile.getParentFile(), realName);
}
links.add(new Link(realFile, destinationFile));
} else if ((mode & S_IFREG) == S_IFREG) {
if (destinationFile.exists()) {
throw new IOException("The file '" + destinationFile + "' already exists.");
}
InputStream is = new BoundedInputStream(paxStream, 0, fileSize);
FileOutputStream fos = new FileOutputStream(destinationFile);
ERXFileUtilities.writeInputStreamToOutputStream(
is, fos, fileSize, new NullProgressMonitor());
} else {
throw new IOException("Unknown mode " + modeStr + " for " + name + ".");
}
amount += 70 + nameSize + fileSize;
progressMonitor.progress(amount, fileLength);
}
}
} while (!done);
} finally {
// System.out.println(amount + ":" + fileLength);
paxStream.close();
}
Collections.sort(links, new LinkNameLengthComparator());
int linkNum = 0;
for (Link link : links) {
link.create(symbolicLinksSupported);
progressMonitor.progress(linkNum++, links.size());
}
progressMonitor.done();
}