org.jivesoftware.smackx.packet.SharedGroupsInfo Maven / Gradle / Ivy

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Smack is an Open Source XMPP (Jabber) client library for instant messaging and presence. This library provides the client side functionality as specified in the core XMPP specifications as related to the client side of said specifications.

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package org.jivesoftware.smackx.packet;

import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smack.provider.IQProvider;
import org.xmlpull.v1.XmlPullParser;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

/**
 * IQ packet used for discovering the user's shared groups and for getting the answer back
 * from the server.
 *
 * Important note: This functionality is not part of the XMPP spec and it will only work
 * with Wildfire.
 *
 * @author Gaston Dombiak
 */
public class SharedGroupsInfo extends IQ {

    private List groups = new ArrayList();

    /**
     * Returns a collection with the shared group names returned from the server.
     *
     * @return collection with the shared group names returned from the server.
     */
    public List getGroups() {
        return groups;
    }

    public String getChildElementXML() {
        StringBuilder buf = new StringBuilder();
        buf.append("");
        for (Iterator it=groups.iterator(); it.hasNext();) {
            buf.append("").append(it.next()).append("");
        }
        buf.append("");
        return buf.toString();
    }

    /**
     * Internal Search service Provider.
     */
    public static class Provider implements IQProvider {

        /**
         * Provider Constructor.
         */
        public Provider() {
            super();
        }

        public IQ parseIQ(XmlPullParser parser) throws Exception {
            SharedGroupsInfo groupsInfo = new SharedGroupsInfo();

            boolean done = false;
            while (!done) {
                int eventType = parser.next();
                if (eventType == XmlPullParser.START_TAG && parser.getName().equals("group")) {
                    groupsInfo.getGroups().add(parser.nextText());
                }
                else if (eventType == XmlPullParser.END_TAG) {
                    if (parser.getName().equals("sharedgroup")) {
                        done = true;
                    }
                }
            }
            return groupsInfo;
        }
    }
}