1package eu.siacs.conversations.xmpp.stanzas;
 2
 3import eu.siacs.conversations.xml.Element;
 4import eu.siacs.conversations.xmpp.InvalidJid;
 5import rocks.xmpp.addr.Jid;
 6
 7abstract public class AbstractAcknowledgeableStanza extends AbstractStanza {
 8
 9	protected AbstractAcknowledgeableStanza(String name) {
10		super(name);
11	}
12
13
14	public String getId() {
15		return this.getAttribute("id");
16	}
17
18	public void setId(final String id) {
19		setAttribute("id", id);
20	}
21
22	public Element getError() {
23		Element error = findChild("error");
24		if (error != null) {
25			for(Element element : error.getChildren()) {
26				if (!element.getName().equals("text")) {
27					return element;
28				}
29			}
30		}
31		return null;
32	}
33
34	public boolean valid() {
35		return InvalidJid.isValid(getFrom()) && InvalidJid.isValid(getTo());
36	}
37}