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path: root/src/eu/siacs/conversations/generator/PresenceGenerator.java
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package eu.siacs.conversations.generator;

import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.xmpp.stanzas.PresencePacket;

public class PresenceGenerator {

	private PresencePacket subscription(String type, Contact contact) {
		PresencePacket packet = new PresencePacket();
		packet.setAttribute("type", type);
		packet.setAttribute("to", contact.getJid());
		packet.setAttribute("from", contact.getAccount().getJid());
		return packet;
	}
	
	public PresencePacket requestPresenceUpdatesFrom(Contact contact) {
		return subscription("subscribe", contact);
	}

	public PresencePacket stopPresenceUpdatesFrom(Contact contact) {
		return subscription("unsubscribe", contact);
	}

	public PresencePacket stopPresenceUpdatesTo(Contact contact) {
		return subscription("unsubscribed", contact);
	}

	public PresencePacket sendPresenceUpdatesTo(Contact contact) {
		return subscription("subscribed", contact);
	}

	public PresencePacket sendPresence(Account account) {
		PresencePacket packet = new PresencePacket();
		packet.setAttribute("from", account.getFullJid());
		String sig = account.getPgpSignature();
		if (sig != null) {
			packet.addChild("status").setContent("online");
			packet.addChild("x", "jabber:x:signed").setContent(sig);
		}
		return packet;
	}
}