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package de.thedevstack.conversationsplus.xmpp.stanzas;
import java.util.Hashtable;
import de.thedevstack.conversationsplus.entities.Account;
import de.thedevstack.conversationsplus.parser.IqParser;
import de.thedevstack.conversationsplus.utils.XmppConnectionServiceAccessor;
import de.thedevstack.conversationsplus.utils.XmppSendUtil;
import de.thedevstack.conversationsplus.xml.Element;
import de.thedevstack.conversationsplus.xmpp.IqPacketHandler;
import de.thedevstack.conversationsplus.xmpp.OnIqPacketReceived;
import de.thedevstack.conversationsplus.xmpp.Xep;
import de.thedevstack.conversationsplus.xmpp.exceptions.IqPacketErrorException;
import de.thedevstack.conversationsplus.xmpp.exceptions.NotAllowedIqException;
/**
*/
public final class IqPacketReceiver implements OnIqPacketReceived {
private final Hashtable<String, IqPacketHandler> iqPacketHandlers = new Hashtable<>();
private final IqParser legacyIqParser;
private static IqPacketReceiver INSTANCE;
public synchronized static IqPacketReceiver getInstance() {
if (null == INSTANCE) {
IqPacketReceiver.INSTANCE = new IqPacketReceiver();
}
return INSTANCE;
}
private IqPacketReceiver() {
this.legacyIqParser = new IqParser(XmppConnectionServiceAccessor.xmppConnectionService);
}
@Override
public void onIqPacketReceived(Account account, IqPacket packet) {
String key = generateKey(packet);
if (null != key && this.iqPacketHandlers.containsKey(key)) {
try {
IqPacketHandler iqPacketHandler = this.iqPacketHandlers.get(key);
iqPacketHandler.handleIqPacket(account, packet);
} catch (NotAllowedIqException e) {
ErrorIqPacket errorIqPacket = IqPacketGenerator.generateIqErrorPacketResponse(IqErrorCondition.NOT_ALLOWED, packet);
XmppSendUtil.sendIqPacket(account, errorIqPacket);
} catch (IqPacketErrorException e) {
}
} else {
this.legacyIqParser.onIqPacketReceived(account, packet);
}
}
public static String generateKey(IqPacket packet) {
Element childElement = packet.getChildElement();
return generateKey(childElement.getName(), childElement.getNamespace());
}
public static String generateKey(String elementName, String xmlns) {
if (null == elementName && null == xmlns) {
return null;
}
return ((null != elementName) ? elementName : "") + ((null != xmlns) ? ("-" + xmlns) : "");
}
public void registerIqPacketHandler(String elementName, String xmlns, IqPacketHandler iqPacketHandler) {
String key = generateKey(elementName, xmlns);
if (null != key) {
this.iqPacketHandlers.put(key, iqPacketHandler);
}
}
public void unregisterIqPacketHandler(String elementName, String xmlns) {
String key = generateKey(elementName, xmlns);
if (null != key && this.iqPacketHandlers.containsKey(key)) {
this.iqPacketHandlers.remove(key);
}
}
public void registerIqPacketHandler(Xep xep) {
String key = generateKey(xep.elementName(), xep.namespace());
if (null != key && null != xep.handler()) {
this.iqPacketHandlers.put(key, xep.handler());
}
}
public void unregisterIqPacketHandler(Xep xep) {
String key = generateKey(xep.elementName(), xep.namespace());
if (null != key && this.iqPacketHandlers.containsKey(key)) {
this.iqPacketHandlers.remove(key);
}
}
@Deprecated
public IqParser getLegacyIqParser() {
return this.legacyIqParser;
}
}
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