private static void writeFileHeaders(Container container, File file) throws WriteHeaderException {
WriteHeaderException error = null;
try {
RandomAccessFile rnd = new RandomAccessFile(container.getFileName(), "rw");
try {
rnd.seek(file.getOffset());
rnd.write(
generateHeader(
file.getTypeId(),
file.getId(),
file.getOwnerId(),
file.getCookie(),
FileInContainer.FILE_EXISTS,
file.getDataLength(),
file.getTailId()));
} catch (IOException e) {
error = new WriteHeaderException("Writing header failed", e);
}
rnd.close();
} catch (FileNotFoundException e) {
error = new WriteHeaderException("Unable to open RandomAccessFile", e);
} catch (IOException e) {
error =
new WriteHeaderException(
"Unable to close either DataOutputStream (unlikely) or RandomAccessFile", e);
}
if (error != null) throw error;
}
private void createFileHeader() throws IOException {
fileHeader =
TestableFileWriter.generateHeader(
file.getTypeId(),
file.getId(),
file.getOwnerId(),
file.getCookie(),
FileInContainer.FILE_EXISTS,
file.getDataLength(),
file.getTailId());
}