Package org.jivesoftware.smack.roster.rosterstore

Class DirectoryRosterStore

java.lang.Object

org.jivesoftware.smack.roster.rosterstore.DirectoryRosterStore

All Implemented Interfaces:

RosterStore

public final class DirectoryRosterStore
extends Object
implements RosterStore

Stores roster entries as specified by RFC 6121 for roster versioning in a set of files.

Method Summary

Modifier and Type	Method	Description
boolean	addEntry(RosterPacket.Item item, String version)	This method stores a new roster entry in this store or updates an existing one.
List<RosterPacket.Item>	getEntries()	This method returns a list of all roster items contained in this store.
RosterPacket.Item	getEntry(Jid bareJid)	This method returns the roster item in this store for the given JID.
String	getRosterVersion()	This method returns the version number as specified by the "ver" attribute of the local store.
static DirectoryRosterStore	init(File baseDir)	Creates a new roster store on disk.
static DirectoryRosterStore	open(File baseDir)	Opens a roster store.
boolean	removeEntry(Jid bareJid, String version)	Removes an entry from the store.
boolean	resetEntries(Collection<RosterPacket.Item> items, String version)	This method updates the store so that it contains only the given entries.
void	resetStore()	Reset the store by removing all entries and setting the version to the empty String.

Methods inherited from class java.lang.Object

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

Method Detail

init

public static DirectoryRosterStore init(File baseDir)

Creates a new roster store on disk.

Parameters:

baseDir - TODO javadoc me please The directory to create the store in. The directory should be empty

Returns:

A DirectoryRosterStore instance if successful, null else.

open

public static DirectoryRosterStore open(File baseDir)

Opens a roster store.

Parameters:

baseDir - TODO javadoc me please The directory containing the roster store.

Returns:

A DirectoryRosterStore instance if successful, null else.

getEntries

public List<RosterPacket.Item> getEntries()

Description copied from interface: RosterStore

This method returns a list of all roster items contained in this store. If there was an error while loading the store, then null is returned.

Specified by:

getEntries in interface RosterStore

Returns:

List of RosterEntry or null.

getEntry

public RosterPacket.Item getEntry(Jid bareJid)

Description copied from interface: RosterStore

This method returns the roster item in this store for the given JID.

Specified by:

getEntry in interface RosterStore

Parameters:

bareJid - The bare JID of the RosterEntry

Returns:

The RosterEntry which belongs to that user

getRosterVersion

public String getRosterVersion()

Description copied from interface: RosterStore

This method returns the version number as specified by the "ver" attribute of the local store. For a fresh store, this MUST be the empty string.

Specified by:

getRosterVersion in interface RosterStore

Returns:

local roster version

addEntry

public boolean addEntry(RosterPacket.Item item,
                        String version)

Description copied from interface: RosterStore

This method stores a new roster entry in this store or updates an existing one.

Specified by:

addEntry in interface RosterStore

Parameters:

item - the entry to store

version - the new roster version

Returns:

True if successful

removeEntry

public boolean removeEntry(Jid bareJid,
                           String version)

Description copied from interface: RosterStore

Removes an entry from the store.

Specified by:

removeEntry in interface RosterStore

Parameters:

bareJid - The bare JID of the entry to be removed

version - the new roster version

Returns:

True if successful

resetEntries

public boolean resetEntries(Collection<RosterPacket.Item> items,
                            String version)

Description copied from interface: RosterStore

This method updates the store so that it contains only the given entries.

Specified by:

resetEntries in interface RosterStore

Parameters:

items - the entries to store

version - the new roster version

Returns:

True if successful

resetStore

public void resetStore()

Description copied from interface: RosterStore

Reset the store by removing all entries and setting the version to the empty String.

Specified by:

resetStore in interface RosterStore