Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /**
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| 2 | * $Revision$
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| 3 | * $Date$
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| 4 | *
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| 5 | * Copyright 2003-2007 Jive Software.
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| 6 | *
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| 7 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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| 8 | * you may not use this file except in compliance with the License.
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| 9 | * You may obtain a copy of the License at
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| 10 | *
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0
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| 12 | *
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| 13 | * Unless required by applicable law or agreed to in writing, software
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 16 | * See the License for the specific language governing permissions and
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| 17 | * limitations under the License.
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| 18 | */
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| 19 |
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| 20 | package org.jivesoftware.smackx.workgroup.packet;
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| 21 |
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| 22 | import org.jivesoftware.smack.packet.IQ;
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| 23 | import org.jivesoftware.smack.provider.IQProvider;
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| 24 | import org.xmlpull.v1.XmlPullParser;
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| 25 |
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| 26 | import java.util.Collections;
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| 27 | import java.util.HashSet;
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| 28 | import java.util.Iterator;
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| 29 | import java.util.Set;
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| 30 |
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| 31 | /**
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| 32 | * Agent status request packet. This packet is used by agents to request the list of
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| 33 | * agents in a workgroup. The response packet contains a list of packets. Presence
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| 34 | * packets from individual agents follow.
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| 35 | *
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| 36 | * @author Matt Tucker
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| 37 | */
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| 38 | public class AgentStatusRequest extends IQ {
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| 39 |
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| 40 | /**
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| 41 | * Element name of the packet extension.
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| 42 | */
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| 43 | public static final String ELEMENT_NAME = "agent-status-request";
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| 44 |
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| 45 | /**
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| 46 | * Namespace of the packet extension.
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| 47 | */
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| 48 | public static final String NAMESPACE = "http://jabber.org/protocol/workgroup";
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| 49 |
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| 50 | private Set<Item> agents;
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| 51 |
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| 52 | public AgentStatusRequest() {
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| 53 | agents = new HashSet<Item>();
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| 54 | }
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| 55 |
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| 56 | public int getAgentCount() {
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| 57 | return agents.size();
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| 58 | }
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| 59 |
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| 60 | public Set<Item> getAgents() {
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| 61 | return Collections.unmodifiableSet(agents);
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| 62 | }
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| 63 |
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| 64 | public String getElementName() {
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| 65 | return ELEMENT_NAME;
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| 66 | }
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| 67 |
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| 68 | public String getNamespace() {
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| 69 | return NAMESPACE;
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| 70 | }
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| 71 |
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| 72 | public String getChildElementXML() {
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| 73 | StringBuilder buf = new StringBuilder();
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| 74 | buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE).append("\">");
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| 75 | synchronized (agents) {
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| 76 | for (Iterator<Item> i=agents.iterator(); i.hasNext(); ) {
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| 77 | Item item = (Item) i.next();
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| 78 | buf.append("<agent jid=\"").append(item.getJID()).append("\">");
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| 79 | if (item.getName() != null) {
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| 80 | buf.append("<name xmlns=\""+ AgentInfo.NAMESPACE + "\">");
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| 81 | buf.append(item.getName());
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| 82 | buf.append("</name>");
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| 83 | }
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| 84 | buf.append("</agent>");
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| 85 | }
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| 86 | }
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| 87 | buf.append("</").append(this.getElementName()).append("> ");
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| 88 | return buf.toString();
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| 89 | }
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| 90 |
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| 91 | public static class Item {
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| 92 |
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| 93 | private String jid;
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| 94 | private String type;
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| 95 | private String name;
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| 96 |
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| 97 | public Item(String jid, String type, String name) {
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| 98 | this.jid = jid;
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| 99 | this.type = type;
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| 100 | this.name = name;
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| 101 | }
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| 102 |
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| 103 | public String getJID() {
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| 104 | return jid;
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| 105 | }
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| 106 |
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| 107 | public String getType() {
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| 108 | return type;
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| 109 | }
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| 110 |
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| 111 | public String getName() {
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| 112 | return name;
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| 113 | }
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| 114 | }
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| 115 |
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| 116 | /**
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| 117 | * Packet extension provider for AgentStatusRequest packets.
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| 118 | */
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| 119 | public static class Provider implements IQProvider {
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| 120 |
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| 121 | public IQ parseIQ(XmlPullParser parser) throws Exception {
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| 122 | AgentStatusRequest statusRequest = new AgentStatusRequest();
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| 123 |
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| 124 | if (parser.getEventType() != XmlPullParser.START_TAG) {
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| 125 | throw new IllegalStateException("Parser not in proper position, or bad XML.");
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| 126 | }
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| 127 |
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| 128 | boolean done = false;
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| 129 | while (!done) {
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| 130 | int eventType = parser.next();
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| 131 | if ((eventType == XmlPullParser.START_TAG) && ("agent".equals(parser.getName()))) {
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| 132 | statusRequest.agents.add(parseAgent(parser));
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| 133 | }
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| 134 | else if (eventType == XmlPullParser.END_TAG &&
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| 135 | "agent-status-request".equals(parser.getName()))
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| 136 | {
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| 137 | done = true;
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| 138 | }
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| 139 | }
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| 140 | return statusRequest;
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| 141 | }
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| 142 |
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| 143 | private Item parseAgent(XmlPullParser parser) throws Exception {
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| 144 |
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| 145 | boolean done = false;
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| 146 | String jid = parser.getAttributeValue("", "jid");
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| 147 | String type = parser.getAttributeValue("", "type");
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| 148 | String name = null;
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| 149 | while (!done) {
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| 150 | int eventType = parser.next();
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| 151 | if ((eventType == XmlPullParser.START_TAG) && ("name".equals(parser.getName()))) {
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| 152 | name = parser.nextText();
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| 153 | }
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| 154 | else if (eventType == XmlPullParser.END_TAG &&
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| 155 | "agent".equals(parser.getName()))
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| 156 | {
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| 157 | done = true;
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| 158 | }
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| 159 | }
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| 160 | return new Item(jid, type, name);
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| 161 | }
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| 162 | }
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| 163 | } |