/**
* Extract entries from an archive.
*
* <p>TODO Need to parse Path for choosing specific files/directories either by direct naming or
* by wildcard patterns. TODO Read list of entries to extract from FileList if its set.
*/
private void extract() throws IOException {
TarEntry entry;
InputStream in = null;
OutputStream out;
TarInputStream tin;
File file;
if (archive != null) {
if ((in = openFileRead(archive)) == null) {
fatal(" ", 1);
}
} else {
in = stdin;
}
if (decompress != 0) {
in = wrapInputStream(in);
}
tin = new TarInputStream(in);
if (use_stdout) {
out = stdout;
}
while ((entry = tin.getNextEntry()) != null) {
notice(entry.getName());
file = new File(entry.getName());
if (entry.isDirectory()) {
if (!file.exists()) {
file.mkdirs();
}
continue;
} else {
if (file.exists()) {
if (keepOld || (keepNew && (file.lastModified() >= entry.getModTime().getTime()))) {
continue;
}
if (backup) {
file.renameTo(new File(file.getPath() + suffix));
}
}
}
if ((out = openFileWrite(file, true, true)) == null) {
continue;
}
tin.copyEntryContents(out);
out.close();
}
tin.close();
}
public void doit(String archiveFilename) {
f.clear();
try {
tar = new TarInputStream(new GZIPInputStream(new FileInputStream(archiveFilename)));
while ((current = tar.getNextEntry()) != null) {
System.err.println("ok:" + current.getName());
long s = current.getSize();
if (!current.isDirectory()) {
// System.err.println(current.getFile());
f.prepareForBulkInsert(tar, current.getName());
}
}
} catch (Exception e) {
e.printStackTrace();
}
f.flushFiles();
}
/**
* untar for any archive, overwrites existing data
*
* @param in use getInputStream() for convenience
* @param untarDir destination path
* @throws Exception (IOException or FileNotFoundException)
*/
public static void unTar(final InputStream in, final String untarDir) throws Exception {
ConcurrentLog.info("UNTAR", "starting");
if (new File(untarDir).exists()) {
final TarInputStream tin = new TarInputStream(in);
TarEntry tarEntry = tin.getNextEntry();
while (tarEntry != null) {
final File destPath = new File(untarDir + File.separator + tarEntry.getName());
if (!tarEntry.isDirectory()) {
new File(destPath.getParent()).mkdirs(); // create missing subdirectories
final FileOutputStream fout = new FileOutputStream(destPath);
tin.copyEntryContents(fout);
fout.close();
} else {
destPath.mkdir();
}
tarEntry = tin.getNextEntry();
}
tin.close();
} else { // untarDir doesn't exist
ConcurrentLog.warn("UNTAR", "destination " + untarDir + " doesn't exist.");
}
ConcurrentLog.info("UNTAR", "finished");
}
public void testTarFileSet() throws Exception {
project.executeTarget("tarfileset");
File deb = new File("target/test-classes/test.deb");
assertTrue("package not build", deb.exists());
ArArchiveInputStream in = new ArArchiveInputStream(new FileInputStream(deb));
ArArchiveEntry entry;
while ((entry = in.getNextArEntry()) != null) {
if (entry.getName().equals("data.tar.gz")) {
TarInputStream tar = new TarInputStream(new GZIPInputStream(new NonClosingInputStream(in)));
TarEntry tarentry;
while ((tarentry = tar.getNextEntry()) != null) {
assertTrue("prefix", tarentry.getName().startsWith("./foo/"));
if (tarentry.isDirectory()) {
assertEquals("directory mode (" + tarentry.getName() + ")", 040700, tarentry.getMode());
} else {
assertEquals("file mode (" + tarentry.getName() + ")", 0100600, tarentry.getMode());
}
assertEquals("user", "ebourg", tarentry.getUserName());
assertEquals("group", "ebourg", tarentry.getGroupName());
}
tar.close();
} else {
// skip to the next entry
long skip = entry.getLength();
while (skip > 0) {
long skipped = in.skip(skip);
if (skipped == -1) {
throw new IOException("Failed to skip");
}
skip -= skipped;
}
}
}
in.close();
}
