org.jivesoftware.smackx.workgroup.packet.AgentStatusRequest 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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/**
 * $Revision$
 * $Date$
 *
 * 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.workgroup.packet;

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

import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;

/**
 * Agent status request packet. This packet is used by agents to request the list of
 * agents in a workgroup. The response packet contains a list of packets. Presence
 * packets from individual agents follow.
 *
 * @author Matt Tucker
 */
public class AgentStatusRequest extends IQ {

     /**
     * Element name of the packet extension.
     */
    public static final String ELEMENT_NAME = "agent-status-request";

    /**
     * Namespace of the packet extension.
     */
    public static final String NAMESPACE = "http://jabber.org/protocol/workgroup";

    private Set agents;

    public AgentStatusRequest() {
        agents = new HashSet();
    }

    public int getAgentCount() {
        return agents.size();
    }

    public Set getAgents() {
        return Collections.unmodifiableSet(agents);
    }

    public String getElementName() {
        return ELEMENT_NAME;
    }

    public String getNamespace() {
        return NAMESPACE;
    }

    public String getChildElementXML() {
        StringBuilder buf = new StringBuilder();
        buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE).append("\">");
        synchronized (agents) {
            for (Iterator i=agents.iterator(); i.hasNext(); ) {
                Item item = (Item) i.next();
                buf.append("");
                if (item.getName() != null) {
                    buf.append("");
                    buf.append(item.getName());
                    buf.append("");
                }
                buf.append("");
            }
        }
        buf.append(" ");
        return buf.toString();
    }

    public static class Item {

        private String jid;
        private String type;
        private String name;

        public Item(String jid, String type, String name) {
            this.jid = jid;
            this.type = type;
            this.name = name;
        }

        public String getJID() {
            return jid;
        }

        public String getType() {
            return type;
        }

        public String getName() {
            return name;
        }
    }

    /**
     * Packet extension provider for AgentStatusRequest packets.
     */
    public static class Provider implements IQProvider {

        public IQ parseIQ(XmlPullParser parser) throws Exception {
            AgentStatusRequest statusRequest = new AgentStatusRequest();

            if (parser.getEventType() != XmlPullParser.START_TAG) {
                throw new IllegalStateException("Parser not in proper position, or bad XML.");
            }

            boolean done = false;
            while (!done) {
                int eventType = parser.next();
                if ((eventType == XmlPullParser.START_TAG) && ("agent".equals(parser.getName()))) {
                    statusRequest.agents.add(parseAgent(parser));
                }
                else if (eventType == XmlPullParser.END_TAG &&
                        "agent-status-request".equals(parser.getName()))
                {
                    done = true;
                }
            }
            return statusRequest;
        }

        private Item parseAgent(XmlPullParser parser) throws Exception {

            boolean done = false;
            String jid = parser.getAttributeValue("", "jid");
            String type = parser.getAttributeValue("", "type");
            String name = null;
            while (!done) {
                int eventType = parser.next();
                if ((eventType == XmlPullParser.START_TAG) && ("name".equals(parser.getName()))) {
                    name = parser.nextText();
                }
                else if (eventType == XmlPullParser.END_TAG &&
                        "agent".equals(parser.getName()))
                {
                    done = true;
                }
            }
            return new Item(jid, type, name);
        }
    }
}