com.hs.mail.imap.mailbox
Class UidToMsnMapper

java.lang.Object
  com.hs.mail.imap.mailbox.UidToMsnMapper

public class UidToMsnMapper
extends Object

Convert Unique Identifier (UID) to Message Sequence Number (MSN) and vice versa.

Since:

Mar 22, 2010

Author:

Won Chul Doh

Field Summary

protected SelectedMailbox	selected
protected List<Long>	uids
protected boolean	useUID

Constructor Summary

UidToMsnMapper(SelectedMailbox selected, boolean useUID)

UidToMsnMapper(SelectedMailbox selected, List<Long> uids, boolean useUID)

Method Summary

long	getMaxMessageNumber(long max) Find the largest message sequence number whose corresponding unique identifier is equal or less than the given unique identifier.
int	getMessageNumber(long uid)
long	getMinMessageNumber(long min) Find the smallest message sequence number whose corresponding unique identifier is equal or greater than the given unique identifier.
long	getUID(int msgnum)
List<Long>	getUIDList()
protected int	search(List<Long> v, long t)

Methods inherited from class java.lang.Object

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

Field Detail

selected

protected SelectedMailbox selected

uids

protected List<Long> uids

useUID

protected boolean useUID

Constructor Detail

UidToMsnMapper

public UidToMsnMapper(SelectedMailbox selected,
                      List<Long> uids,
                      boolean useUID)

UidToMsnMapper

public UidToMsnMapper(SelectedMailbox selected,
                      boolean useUID)

Method Detail

getUID

public long getUID(int msgnum)

getMessageNumber

public int getMessageNumber(long uid)

getUIDList

public List<Long> getUIDList()

getMinMessageNumber

public long getMinMessageNumber(long min)

Find the smallest message sequence number whose corresponding unique identifier is equal or greater than the given unique identifier.

Parameters:

min - the key UID to be searched for

Returns:

the smallest message sequence number if found; otherwise -1

getMaxMessageNumber

public long getMaxMessageNumber(long max)

Find the largest message sequence number whose corresponding unique identifier is equal or less than the given unique identifier.

Parameters:

max - the key UID to be searched for

Returns:

the largest message sequence number if found; otherwise -1

search

protected int search(List<Long> v,
                     long t)