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.muc.provider; 019 020 021import java.io.IOException; 022 023import org.jivesoftware.smack.provider.ExtensionElementProvider; 024import org.jivesoftware.smack.util.ParserUtils; 025import org.jivesoftware.smackx.muc.packet.MUCUser; 026import org.jxmpp.jid.EntityBareJid; 027import org.jxmpp.jid.EntityJid; 028import org.xmlpull.v1.XmlPullParser; 029import org.xmlpull.v1.XmlPullParserException; 030 031/** 032 * The MUCUserProvider parses packets with extended presence information about 033 * roles and affiliations. 034 * 035 * @author Gaston Dombiak 036 */ 037public class MUCUserProvider extends ExtensionElementProvider<MUCUser> { 038 039 /** 040 * Parses a MUCUser stanza(/packet) (extension sub-packet). 041 * 042 * @param parser the XML parser, positioned at the starting element of the extension. 043 * @return a PacketExtension. 044 * @throws IOException 045 * @throws XmlPullParserException 046 */ 047 @Override 048 public MUCUser parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException { 049 MUCUser mucUser = new MUCUser(); 050 outerloop: while (true) { 051 switch (parser.next()) { 052 case XmlPullParser.START_TAG: 053 switch (parser.getName()) { 054 case "invite": 055 mucUser.setInvite(parseInvite(parser)); 056 break; 057 case "item": 058 mucUser.setItem(MUCParserUtils.parseItem(parser)); 059 break; 060 case "password": 061 mucUser.setPassword(parser.nextText()); 062 break; 063 case "status": 064 String statusString = parser.getAttributeValue("", "code"); 065 mucUser.addStatusCode(MUCUser.Status.create(statusString)); 066 break; 067 case "decline": 068 mucUser.setDecline(parseDecline(parser)); 069 break; 070 case "destroy": 071 mucUser.setDestroy(MUCParserUtils.parseDestroy(parser)); 072 break; 073 } 074 break; 075 case XmlPullParser.END_TAG: 076 if (parser.getDepth() == initialDepth) { 077 break outerloop; 078 } 079 break; 080 } 081 } 082 083 return mucUser; 084 } 085 086 private static MUCUser.Invite parseInvite(XmlPullParser parser) throws XmlPullParserException, IOException { 087 String reason = null; 088 EntityBareJid to = ParserUtils.getBareJidAttribute(parser, "to"); 089 EntityJid from = ParserUtils.getEntityJidAttribute(parser, "from"); 090 091 outerloop: while (true) { 092 int eventType = parser.next(); 093 if (eventType == XmlPullParser.START_TAG) { 094 if (parser.getName().equals("reason")) { 095 reason = parser.nextText(); 096 } 097 } 098 else if (eventType == XmlPullParser.END_TAG) { 099 if (parser.getName().equals("invite")) { 100 break outerloop; 101 } 102 } 103 } 104 return new MUCUser.Invite(reason, from, to); 105 } 106 107 private static MUCUser.Decline parseDecline(XmlPullParser parser) throws XmlPullParserException, IOException { 108 String reason = null; 109 EntityBareJid to = ParserUtils.getBareJidAttribute(parser, "to"); 110 EntityBareJid from = ParserUtils.getBareJidAttribute(parser, "from"); 111 112 outerloop: while (true) { 113 int eventType = parser.next(); 114 if (eventType == XmlPullParser.START_TAG) { 115 if (parser.getName().equals("reason")) { 116 reason = parser.nextText(); 117 } 118 } 119 else if (eventType == XmlPullParser.END_TAG) { 120 if (parser.getName().equals("decline")) { 121 break outerloop; 122 } 123 } 124 } 125 return new MUCUser.Decline(reason, from, to); 126 } 127}