88 lines
3.2 KiB
Java
88 lines
3.2 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.xroster.provider;
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import java.io.IOException;
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import java.util.ArrayList;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.provider.ExtensionElementProvider;
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import org.jivesoftware.smack.util.ParserUtils;
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import org.jivesoftware.smack.xml.XmlPullParser;
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import org.jivesoftware.smack.xml.XmlPullParserException;
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import org.jivesoftware.smackx.xroster.RemoteRosterEntry;
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import org.jivesoftware.smackx.xroster.packet.RosterExchange;
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import org.jxmpp.jid.Jid;
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/**
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*
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* The RosterExchangeProvider parses RosterExchange packets.
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*
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* @author Gaston Dombiak
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*/
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public class RosterExchangeProvider extends ExtensionElementProvider<RosterExchange> {
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/**
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* Parses a RosterExchange stanza (extension sub-packet).
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*
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* @param parser the XML parser, positioned at the starting element of the extension.
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* @return a PacketExtension.
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* @throws IOException
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* @throws XmlPullParserException
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*/
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@Override
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public RosterExchange parse(XmlPullParser parser, int initialDepth, XmlEnvironment xmlEnvironment)
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throws XmlPullParserException, IOException {
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RosterExchange rosterExchange = new RosterExchange();
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boolean done = false;
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RemoteRosterEntry remoteRosterEntry;
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Jid jid = null;
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String name = "";
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ArrayList<String> groupsName = new ArrayList<>();
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while (!done) {
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XmlPullParser.Event eventType = parser.next();
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if (eventType == XmlPullParser.Event.START_ELEMENT) {
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if (parser.getName().equals("item")) {
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// Reset this variable since they are optional for each item
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groupsName = new ArrayList<>();
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// Initialize the variables from the parsed XML
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jid = ParserUtils.getJidAttribute(parser);
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name = parser.getAttributeValue("", "name");
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}
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if (parser.getName().equals("group")) {
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groupsName.add(parser.nextText());
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}
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} else if (eventType == XmlPullParser.Event.END_ELEMENT) {
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if (parser.getName().equals("item")) {
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// Create packet.
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remoteRosterEntry = new RemoteRosterEntry(jid, name, groupsName.toArray(new String[groupsName.size()]));
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rosterExchange.addRosterEntry(remoteRosterEntry);
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}
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if (parser.getName().equals("x")) {
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done = true;
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}
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}
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}
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return rosterExchange;
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}
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}
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