private File[] mkTar(FileDTO[] dto, File tarFile, String[] tarEntryNames) throws Exception {
File[] srcFiles = new File[dto.length];
try {
if (tarFile.getParentFile().mkdirs()) {
log.info("M-WRITE " + tarFile.getParent());
}
log.info("M-WRITE " + tarFile);
TarOutputStream tar = new TarOutputStream(new FileOutputStream(tarFile));
try {
writeMD5SUM(tar, dto, tarEntryNames);
for (int i = 0; i < tarEntryNames.length; i++) {
srcFiles[i] = writeFile(tar, dto[i], tarEntryNames[i]);
}
} finally {
tar.close();
}
if (verifyCopy) {
VerifyTar.verify(tarFile, new byte[bufferSize]);
}
} catch (Exception e) {
deleteFile(tarFile);
throw e;
}
return srcFiles;
}
private File writeFile(TarOutputStream tar, FileDTO dto, String tarEntryName)
throws IOException, FileNotFoundException {
File file = FileUtils.toFile(dto.getDirectoryPath(), dto.getFilePath());
TarEntry entry = new TarEntry(tarEntryName);
entry.setSize(dto.getFileSize());
tar.putNextEntry(entry);
FileInputStream fis = new FileInputStream(file);
try {
tar.copyEntryContents(fis);
} finally {
fis.close();
}
tar.closeEntry();
return file;
}
private void writeMD5SUM(TarOutputStream tar, FileDTO[] dto, String[] tarEntryNames)
throws IOException {
byte[] md5sum = new byte[dto.length * MD5SUM_ENTRY_LEN];
final TarEntry tarEntry = new TarEntry("MD5SUM");
tarEntry.setSize(md5sum.length);
tar.putNextEntry(tarEntry);
int i = 0;
for (int j = 0; j < tarEntryNames.length; j++) {
MD5Utils.toHexChars(dto[j].getFileMd5(), md5sum, i);
md5sum[i + 32] = ' ';
md5sum[i + 33] = ' ';
System.arraycopy(tarEntryNames[j].getBytes("US-ASCII"), 0, md5sum, i + 34, 17);
md5sum[i + 51] = '\n';
i += MD5SUM_ENTRY_LEN;
}
tar.write(md5sum);
tar.closeEntry();
}