001/** 002 * 003 * Copyright 2003-2007 Jive Software. 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.jivesoftware.smackx.workgroup.packet; 019 020import java.io.IOException; 021import java.util.Collections; 022import java.util.HashSet; 023import java.util.Iterator; 024import java.util.Set; 025 026import org.jivesoftware.smack.packet.IQ; 027import org.jivesoftware.smack.provider.IQProvider; 028 029import org.xmlpull.v1.XmlPullParser; 030import org.xmlpull.v1.XmlPullParserException; 031 032/** 033 * Agent status request packet. This stanza(/packet) is used by agents to request the list of 034 * agents in a workgroup. The response stanza(/packet) contains a list of packets. Presence 035 * packets from individual agents follow. 036 * 037 * @author Matt Tucker 038 */ 039public class AgentStatusRequest extends IQ { 040 041 /** 042 * Element name of the stanza(/packet) extension. 043 */ 044 public static final String ELEMENT_NAME = "agent-status-request"; 045 046 /** 047 * Namespace of the stanza(/packet) extension. 048 */ 049 public static final String NAMESPACE = "http://jabber.org/protocol/workgroup"; 050 051 private final Set<Item> agents = new HashSet<>(); 052 053 public AgentStatusRequest() { 054 super(ELEMENT_NAME, NAMESPACE); 055 } 056 057 public int getAgentCount() { 058 return agents.size(); 059 } 060 061 public Set<Item> getAgents() { 062 return Collections.unmodifiableSet(agents); 063 } 064 065 public String getElementName() { 066 return ELEMENT_NAME; 067 } 068 069 public String getNamespace() { 070 return NAMESPACE; 071 } 072 073 @Override 074 protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder buf) { 075 buf.rightAngleBracket(); 076 synchronized (agents) { 077 for (Iterator<Item> i = agents.iterator(); i.hasNext(); ) { 078 Item item = i.next(); 079 buf.append("<agent jid=\"").append(item.getJID()).append("\">"); 080 if (item.getName() != null) { 081 buf.append("<name xmlns=\"" + AgentInfo.NAMESPACE + "\">"); 082 buf.append(item.getName()); 083 buf.append("</name>"); 084 } 085 buf.append("</agent>"); 086 } 087 } 088 return buf; 089 } 090 091 public static class Item { 092 093 private final String jid; 094 private final String type; 095 private final String name; 096 097 public Item(String jid, String type, String name) { 098 this.jid = jid; 099 this.type = type; 100 this.name = name; 101 } 102 103 public String getJID() { 104 return jid; 105 } 106 107 public String getType() { 108 return type; 109 } 110 111 public String getName() { 112 return name; 113 } 114 } 115 116 /** 117 * Stanza(/Packet) extension provider for AgentStatusRequest packets. 118 */ 119 public static class Provider extends IQProvider<AgentStatusRequest> { 120 121 @Override 122 public AgentStatusRequest parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException { 123 AgentStatusRequest statusRequest = new AgentStatusRequest(); 124 125 boolean done = false; 126 while (!done) { 127 int eventType = parser.next(); 128 if ((eventType == XmlPullParser.START_TAG) && ("agent".equals(parser.getName()))) { 129 statusRequest.agents.add(parseAgent(parser)); 130 } 131 else if (eventType == XmlPullParser.END_TAG && 132 "agent-status-request".equals(parser.getName())) 133 { 134 done = true; 135 } 136 } 137 return statusRequest; 138 } 139 140 private Item parseAgent(XmlPullParser parser) throws XmlPullParserException, IOException { 141 142 boolean done = false; 143 String jid = parser.getAttributeValue("", "jid"); 144 String type = parser.getAttributeValue("", "type"); 145 String name = null; 146 while (!done) { 147 int eventType = parser.next(); 148 if ((eventType == XmlPullParser.START_TAG) && ("name".equals(parser.getName()))) { 149 name = parser.nextText(); 150 } 151 else if (eventType == XmlPullParser.END_TAG && 152 "agent".equals(parser.getName())) 153 { 154 done = true; 155 } 156 } 157 return new Item(jid, type, name); 158 } 159 } 160}