/**
* Creates a new service request command requesting the given SNAC family and providing the given
* chat room information block. While <code>snacFamily</code> should normally be {@link
* ChatCommand#FAMILY_CHAT} if a room information block is sent, if you really want to you can
* make it whatever you want.
*
* @param snacFamily the SNAC family being requested
* @param roomInfo a chat room information block representing the room being joined
*/
public ServiceRequest(int snacFamily, MiniRoomInfo roomInfo) {
super(CMD_SERVICE_REQ);
DefensiveTools.checkRange(snacFamily, "snacFamily", 0);
this.family = snacFamily;
this.roomInfo = roomInfo;
}
/**
* Generates a new set-ICBM-parameter-information command from the given incoming SNAC packet.
*
* @param packet an incoming set-ICBM-parameters packet
*/
protected SetParamInfoCmd(SnacPacket packet) {
super(CMD_SET_PARAM_INFO);
DefensiveTools.checkNull(packet, "packet");
ByteBlock snacData = packet.getData();
paramInfo = ParamInfo.readParamInfo(snacData);
}
/**
* Generates a new item-based command from the given incoming SNAC packet.
*
* @param command the SNAC command subtype for this command
* @param packet an incoming item-based command packet
*/
protected ItemsCmd(int command, SnacPacket packet) {
super(command);
DefensiveTools.checkNull(packet, "packet");
ByteBlock block = packet.getData();
List<SsiItem> itemList = new ArrayList<SsiItem>();
for (; ; ) {
SsiItem item = SsiItem.readSsiItem(block);
if (item == null) break;
itemList.add(item);
block = block.subBlock(item.getTotalSize());
}
items = DefensiveTools.getUnmodifiable(itemList);
}
/**
* A SNAC command factory for the client-bound SNAC commands provided in this package, appropriate
* for use in an AIM client.
*/
public class ClientMailCheckCmdFactory implements SnacCmdFactory {
/** The supported SNAC command types. */
protected static final List<CmdType> SUPPORTED_TYPES =
DefensiveTools.asUnmodifiableList(
new CmdType(MailCheckCmd.FAMILY_MAILCHECK, MailCheckCmd.CMD_UPDATE));
public List<CmdType> getSupportedTypes() {
return SUPPORTED_TYPES;
}
public SnacCommand genSnacCommand(SnacPacket packet) {
if (packet.getFamily() != MailCheckCmd.FAMILY_MAILCHECK) return null;
int command = packet.getCommand();
if (command == MailCheckCmd.CMD_UPDATE) {
return new MailUpdate(packet);
} else {
return null;
}
}
}
/**
* Generates a new service request command from the given incoming SNAC packet.
*
* @param packet the incoming service request packet
*/
protected ServiceRequest(SnacPacket packet) {
super(CMD_SERVICE_REQ);
DefensiveTools.checkNull(packet, "packet");
ByteBlock snacData = packet.getData();
family = BinaryTools.getUShort(snacData, 0);
ByteBlock tlvBlock = snacData.subBlock(2);
TlvChain chatChain = TlvTools.readChain(tlvBlock);
Tlv chatInfoTlv = chatChain.getLastTlv(TYPE_ROOM_INFO);
if (chatInfoTlv != null) {
ByteBlock chatBlock = chatInfoTlv.getData();
roomInfo = MiniRoomInfo.readMiniRoomInfo(chatBlock);
} else {
roomInfo = null;
}
}
/**
* Generates a new SSI activation command from the given incoming SNAC packet.
*
* @param packet an incoming SSI activation packet
*/
protected ActivateSsiCmd(SnacPacket packet) {
super(CMD_ACTIVATE);
DefensiveTools.checkNull(packet, "packet");
}
/**
* Creates a new outgoing item-based command with the given list of items.
*
* @param command the SNAC command subtype for this command
* @param items the list of items to send in this commnad
*/
protected ItemsCmd(int command, Collection<? extends SsiItem> items) {
super(command);
this.items = DefensiveTools.getSafeNonnullListCopy(items, "items");
}
/**
* Generates an SSI data request command from the given incoming SNAC packet.
*
* @param packet an incoming SSI data request packet
*/
protected SsiDataRequest(SnacPacket packet) {
super(CMD_DATA_REQ);
DefensiveTools.checkNull(packet, "packet");
}