Smack/smack-extensions/src/main/java/org/jivesoftware/smackx/ping/packet/Pong.java

46 lines
1.4 KiB
Java

/**
*
* Copyright 2012-2014 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.ping.packet;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.packet.Packet;
public class Pong extends IQ {
/**
* Composes a Pong packet from a received ping packet. This basically swaps
* the 'from' and 'to' attributes. And sets the IQ type to result.
*
* @param ping
*/
public Pong(Packet ping) {
setType(IQ.Type.result);
setFrom(ping.getTo());
setTo(ping.getFrom());
setPacketID(ping.getPacketID());
}
/**
* Returns the child element of the Pong reply, which is non-existent. This
* is why we return 'null' here. See e.g. Example 11 from
* http://xmpp.org/extensions/xep-0199.html#e2e
*/
public String getChildElementXML() {
return null;
}
}