org.linguafranca.pwdb.kdb

Class KdbSerializer

java.lang.Object

org.linguafranca.pwdb.kdb.KdbSerializer

public class KdbSerializer
extends Object

This class provides support for reading a KDB stream and constructing an in memory database.

A KDB stream consists of:

1. 16 bits of file signature
2. An unencrypted header containing encryption and other information such as the count of groups and entries
3. In an Encrypted form:
1. Repeated serialised form of all Groups
2. Repeated serialised form of all Entries

Author:

jo

Method Summary

Modifier and Type	Method and Description
static void	checkSignature(DataInput dataInput) Check the signature of a data source
static KdbDatabase	createKdbDatabase(Credentials credentials, KdbHeader kdbHeader, InputStream inputStream) Construct a KDB database from the supplied inputstream.
static Date	unpackDate(byte[] buffer) Stucture is in this format: 00YYYYYY YYYYYYMM MMDDDDDH HHHHMMMM MMSSSSSS

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

createKdbDatabase

public static KdbDatabase createKdbDatabase(Credentials credentials,
                                            KdbHeader kdbHeader,
                                            InputStream inputStream)
                                     throws IOException

Construct a KDB database from the supplied inputstream.

Parameters:

credentials - the credentials

kdbHeader - a header to be populated with values read from the stream

inputStream - an inputStream to read from

Returns:

a constructed KdbDatabase

Throws:

IOException - if reading of the inputStream fails

IllegalStateException - if decoding of KDB format fails

checkSignature

public static void checkSignature(DataInput dataInput)
                           throws IOException

Check the signature of a data source

Parameters:

dataInput - the source to check

Throws:

IOException

IllegalStateException - if the signature does not match

unpackDate

public static Date unpackDate(byte[] buffer)

Stucture is in this format: 00YYYYYY YYYYYYMM MMDDDDDH HHHHMMMM MMSSSSSS

Parameters:

buffer - 5 bytes containing a packed date

Returns:

a date constructed from the buffer