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 org.jivesoftware.smack.packet.IQ; 021import org.jivesoftware.smack.provider.IQProvider; 022import org.xmlpull.v1.XmlPullParser; 023import org.xmlpull.v1.XmlPullParserException; 024 025import java.io.IOException; 026import java.util.Collections; 027import java.util.HashSet; 028import java.util.Iterator; 029import java.util.Set; 030 031/** 032 * Agent status request packet. This stanza(/packet) is used by agents to request the list of 033 * agents in a workgroup. The response stanza(/packet) contains a list of packets. Presence 034 * packets from individual agents follow. 035 * 036 * @author Matt Tucker 037 */ 038public class AgentStatusRequest extends IQ { 039 040 /** 041 * Element name of the stanza(/packet) extension. 042 */ 043 public static final String ELEMENT_NAME = "agent-status-request"; 044 045 /** 046 * Namespace of the stanza(/packet) extension. 047 */ 048 public static final String NAMESPACE = "http://jabber.org/protocol/workgroup"; 049 050 private final Set<Item> agents = new HashSet<>(); 051 052 public AgentStatusRequest() { 053 super(ELEMENT_NAME, NAMESPACE); 054 } 055 056 public int getAgentCount() { 057 return agents.size(); 058 } 059 060 public Set<Item> getAgents() { 061 return Collections.unmodifiableSet(agents); 062 } 063 064 public String getElementName() { 065 return ELEMENT_NAME; 066 } 067 068 public String getNamespace() { 069 return NAMESPACE; 070 } 071 072 @Override 073 protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder buf) { 074 buf.rightAngleBracket(); 075 synchronized (agents) { 076 for (Iterator<Item> i=agents.iterator(); i.hasNext(); ) { 077 Item item = i.next(); 078 buf.append("<agent jid=\"").append(item.getJID()).append("\">"); 079 if (item.getName() != null) { 080 buf.append("<name xmlns=\""+ AgentInfo.NAMESPACE + "\">"); 081 buf.append(item.getName()); 082 buf.append("</name>"); 083 } 084 buf.append("</agent>"); 085 } 086 } 087 return buf; 088 } 089 090 public static class Item { 091 092 private String jid; 093 private String type; 094 private String name; 095 096 public Item(String jid, String type, String name) { 097 this.jid = jid; 098 this.type = type; 099 this.name = name; 100 } 101 102 public String getJID() { 103 return jid; 104 } 105 106 public String getType() { 107 return type; 108 } 109 110 public String getName() { 111 return name; 112 } 113 } 114 115 /** 116 * Stanza(/Packet) extension provider for AgentStatusRequest packets. 117 */ 118 public static class Provider extends IQProvider<AgentStatusRequest> { 119 120 @Override 121 public AgentStatusRequest parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException { 122 AgentStatusRequest statusRequest = new AgentStatusRequest(); 123 124 boolean done = false; 125 while (!done) { 126 int eventType = parser.next(); 127 if ((eventType == XmlPullParser.START_TAG) && ("agent".equals(parser.getName()))) { 128 statusRequest.agents.add(parseAgent(parser)); 129 } 130 else if (eventType == XmlPullParser.END_TAG && 131 "agent-status-request".equals(parser.getName())) 132 { 133 done = true; 134 } 135 } 136 return statusRequest; 137 } 138 139 private Item parseAgent(XmlPullParser parser) throws XmlPullParserException, IOException { 140 141 boolean done = false; 142 String jid = parser.getAttributeValue("", "jid"); 143 String type = parser.getAttributeValue("", "type"); 144 String name = null; 145 while (!done) { 146 int eventType = parser.next(); 147 if ((eventType == XmlPullParser.START_TAG) && ("name".equals(parser.getName()))) { 148 name = parser.nextText(); 149 } 150 else if (eventType == XmlPullParser.END_TAG && 151 "agent".equals(parser.getName())) 152 { 153 done = true; 154 } 155 } 156 return new Item(jid, type, name); 157 } 158 } 159}