Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame^] | 1 | /**
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| 2 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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| 3 | * you may not use this file except in compliance with the License.
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| 4 | * You may obtain a copy of the License at
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| 5 | *
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| 6 | * http://www.apache.org/licenses/LICENSE-2.0
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| 7 | *
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| 8 | * Unless required by applicable law or agreed to in writing, software
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| 9 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 10 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 11 | * See the License for the specific language governing permissions and
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| 12 | * limitations under the License.
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| 13 | */
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| 14 | package org.jivesoftware.smack.util;
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| 15 |
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| 16 | import org.jivesoftware.smack.PacketCollector;
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| 17 | import org.jivesoftware.smack.SmackConfiguration;
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| 18 | import org.jivesoftware.smack.Connection;
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| 19 | import org.jivesoftware.smack.XMPPException;
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| 20 | import org.jivesoftware.smack.filter.PacketFilter;
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| 21 | import org.jivesoftware.smack.filter.PacketIDFilter;
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| 22 | import org.jivesoftware.smack.packet.Packet;
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| 23 |
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| 24 | /**
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| 25 | * Utility class for doing synchronous calls to the server. Provides several
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| 26 | * methods for sending a packet to the server and waiting for the reply.
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| 27 | *
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| 28 | * @author Robin Collier
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| 29 | */
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| 30 | final public class SyncPacketSend
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| 31 | {
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| 32 | private SyncPacketSend()
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| 33 | { }
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| 34 |
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| 35 | static public Packet getReply(Connection connection, Packet packet, long timeout)
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| 36 | throws XMPPException
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| 37 | {
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| 38 | PacketFilter responseFilter = new PacketIDFilter(packet.getPacketID());
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| 39 | PacketCollector response = connection.createPacketCollector(responseFilter);
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| 40 |
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| 41 | connection.sendPacket(packet);
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| 42 |
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| 43 | // Wait up to a certain number of seconds for a reply.
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| 44 | Packet result = response.nextResult(timeout);
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| 45 |
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| 46 | // Stop queuing results
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| 47 | response.cancel();
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| 48 |
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| 49 | if (result == null) {
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| 50 | throw new XMPPException("No response from server.");
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| 51 | }
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| 52 | else if (result.getError() != null) {
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| 53 | throw new XMPPException(result.getError());
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| 54 | }
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| 55 | return result;
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| 56 | }
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| 57 |
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| 58 | static public Packet getReply(Connection connection, Packet packet)
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| 59 | throws XMPPException
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| 60 | {
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| 61 | return getReply(connection, packet, SmackConfiguration.getPacketReplyTimeout());
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| 62 | }
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| 63 | }
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