Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /** |
| 2 | * $RCSfile$ |
| 3 | * $Revision$ |
| 4 | * $Date$ |
| 5 | * |
| 6 | * Copyright 2005 Jive Software. |
| 7 | * |
| 8 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | package org.jivesoftware.smackx;
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| 21 |
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| 22 | import org.jivesoftware.smack.Connection;
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| 23 | import org.jivesoftware.smack.PacketCollector;
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| 24 | import org.jivesoftware.smack.SmackConfiguration;
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| 25 | import org.jivesoftware.smack.XMPPException;
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| 26 | import org.jivesoftware.smack.filter.PacketIDFilter;
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| 27 | import org.jivesoftware.smack.packet.IQ;
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| 28 | import org.jivesoftware.smackx.packet.SharedGroupsInfo;
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| 29 |
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| 30 | import java.util.List;
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| 31 |
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| 32 | /**
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| 33 | * A SharedGroupManager provides services for discovering the shared groups where a user belongs.<p>
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| 34 | *
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| 35 | * Important note: This functionality is not part of the XMPP spec and it will only work
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| 36 | * with Wildfire.
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| 37 | *
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| 38 | * @author Gaston Dombiak
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| 39 | */
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| 40 | public class SharedGroupManager {
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| 41 |
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| 42 | /**
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| 43 | * Returns the collection that will contain the name of the shared groups where the user
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| 44 | * logged in with the specified session belongs.
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| 45 | *
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| 46 | * @param connection connection to use to get the user's shared groups.
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| 47 | * @return collection with the shared groups' name of the logged user.
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| 48 | */
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| 49 | public static List<String> getSharedGroups(Connection connection) throws XMPPException {
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| 50 | // Discover the shared groups of the logged user
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| 51 | SharedGroupsInfo info = new SharedGroupsInfo();
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| 52 | info.setType(IQ.Type.GET);
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| 53 |
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| 54 | // Create a packet collector to listen for a response.
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| 55 | PacketCollector collector =
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| 56 | connection.createPacketCollector(new PacketIDFilter(info.getPacketID()));
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| 57 |
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| 58 | connection.sendPacket(info);
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| 59 |
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| 60 | // Wait up to 5 seconds for a result.
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| 61 | IQ result = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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| 62 | // Stop queuing results
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| 63 | collector.cancel();
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| 64 | if (result == null) {
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| 65 | throw new XMPPException("No response from the server.");
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| 66 | }
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| 67 | if (result.getType() == IQ.Type.ERROR) {
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| 68 | throw new XMPPException(result.getError());
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| 69 | }
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| 70 | return ((SharedGroupsInfo) result).getGroups();
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| 71 | }
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| 72 | }
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