| /** |
| * Copyright 2012 Florian Schmaus |
| * |
| * All rights reserved. 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; |
| |
| 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(Ping 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; |
| } |
| |
| } |