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Smack/source/org/jivesoftware/smackx/provider/RosterExchangeProvider.java
2003-08-26 16:05:57 +00:00

122 lines
4.7 KiB
Java

/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
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 groupsName = new ArrayList();
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();
// 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;
}
}