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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<Item> agents;
public AgentStatusRequest() {
agents = new HashSet<Item>();
}
public int getAgentCount() {
return agents.size();
}
public Set<Item> 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<Item> i=agents.iterator(); i.hasNext(); ) {
Item item = (Item) i.next();
buf.append("<agent jid=\"").append(item.getJID()).append("\">");
if (item.getName() != null) {
buf.append("<name xmlns=\""+ AgentInfo.NAMESPACE + "\">");
buf.append(item.getName());
buf.append("</name>");
}
buf.append("</agent>");
}
}
buf.append("</").append(this.getElementName()).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);
}
}
}
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