private Entry decode(ByteString bytes, CompressedSchema compressedSchema)
throws DirectoryException, DecodeException, IOException {
// Get the format version.
byte formatVersion = bytes.byteAt(0);
if (formatVersion != DnKeyFormat.FORMAT_VERSION) {
throw DecodeException.error(ERR_INCOMPATIBLE_ENTRY_VERSION.get(formatVersion));
}
// Read the ASN1 sequence.
ASN1Reader reader = ASN1.getReader(bytes.subSequence(1, bytes.length()));
reader.readStartSequence();
// See if it was compressed.
int uncompressedSize = (int) reader.readInteger();
if (uncompressedSize > 0) {
// It was compressed.
reader.readOctetString(compressedEntryBuffer);
OutputStream decompressor = null;
try {
// TODO: Should handle the case where uncompress fails
decompressor = new InflaterOutputStream(entryBuffer.asOutputStream());
compressedEntryBuffer.copyTo(decompressor);
} finally {
closeSilently(decompressor);
}
// Since we are used the cached buffers (ByteStringBuilders),
// the decoded attribute values will not refer back to the
// original buffer.
return Entry.decode(entryBuffer.asReader(), compressedSchema);
} else {
// Since we don't have to do any decompression, we can just decode
// the entry directly.
ByteString encodedEntry = reader.readOctetString();
return Entry.decode(encodedEntry.asReader(), compressedSchema);
}
}
