| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * Copyright 2003-2007 Jive Software. |
| * |
| * 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.provider; |
| |
| import java.util.ArrayList; |
| |
| import org.jivesoftware.smack.packet.PacketExtension; |
| import org.jivesoftware.smack.provider.PacketExtensionProvider; |
| import org.jivesoftware.smackx.*; |
| import org.jivesoftware.smackx.packet.*; |
| import org.xmlpull.v1.XmlPullParser; |
| |
| /** |
| * |
| * The RosterExchangeProvider parses RosterExchange packets. |
| * |
| * @author Gaston Dombiak |
| */ |
| public class RosterExchangeProvider implements PacketExtensionProvider { |
| |
| /** |
| * Creates a new RosterExchangeProvider. |
| * ProviderManager requires that every PacketExtensionProvider has a public, no-argument constructor |
| */ |
| public RosterExchangeProvider() { |
| } |
| |
| /** |
| * Parses a RosterExchange packet (extension sub-packet). |
| * |
| * @param parser the XML parser, positioned at the starting element of the extension. |
| * @return a PacketExtension. |
| * @throws Exception if a parsing error occurs. |
| */ |
| public PacketExtension parseExtension(XmlPullParser parser) throws Exception { |
| |
| RosterExchange rosterExchange = new RosterExchange(); |
| boolean done = false; |
| RemoteRosterEntry remoteRosterEntry = null; |
| String jid = ""; |
| String name = ""; |
| ArrayList<String> groupsName = new ArrayList<String>(); |
| while (!done) { |
| int eventType = parser.next(); |
| if (eventType == XmlPullParser.START_TAG) { |
| if (parser.getName().equals("item")) { |
| // Reset this variable since they are optional for each item |
| groupsName = new ArrayList<String>(); |
| // Initialize the variables from the parsed XML |
| jid = parser.getAttributeValue("", "jid"); |
| name = parser.getAttributeValue("", "name"); |
| } |
| if (parser.getName().equals("group")) { |
| groupsName.add(parser.nextText()); |
| } |
| } else if (eventType == XmlPullParser.END_TAG) { |
| if (parser.getName().equals("item")) { |
| // Create packet. |
| remoteRosterEntry = new RemoteRosterEntry(jid, name, (String[]) groupsName.toArray(new String[groupsName.size()])); |
| rosterExchange.addRosterEntry(remoteRosterEntry); |
| } |
| if (parser.getName().equals("x")) { |
| done = true; |
| } |
| } |
| } |
| |
| return rosterExchange; |
| |
| } |
| |
| } |