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; 021 022import org.jivesoftware.smack.packet.IQ; 023import org.jivesoftware.smack.provider.IQProvider; 024import org.jivesoftware.smack.util.ParserUtils; 025 026import org.jxmpp.jid.Jid; 027import org.xmlpull.v1.XmlPullParser; 028import org.xmlpull.v1.XmlPullParserException; 029 030/** 031 * An IQProvider class which has savvy about the offer-revoke tag.<br> 032 * 033 * @author loki der quaeler 034 */ 035public class OfferRevokeProvider extends IQProvider<IQ> { 036 037 @Override 038 public OfferRevokePacket parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException { 039 // The parser will be positioned on the opening IQ tag, so get the JID attribute. 040 Jid userJID = ParserUtils.getJidAttribute(parser); 041 // Default the userID to the JID. 042 Jid userID = userJID; 043 String reason = null; 044 String sessionID = null; 045 boolean done = false; 046 047 while (!done) { 048 int eventType = parser.next(); 049 050 if ((eventType == XmlPullParser.START_TAG) && parser.getName().equals("reason")) { 051 reason = parser.nextText(); 052 } 053 else if ((eventType == XmlPullParser.START_TAG) 054 && parser.getName().equals(SessionID.ELEMENT_NAME)) { 055 sessionID = parser.getAttributeValue("", "id"); 056 } 057 else if ((eventType == XmlPullParser.START_TAG) 058 && parser.getName().equals(UserID.ELEMENT_NAME)) { 059 userID = ParserUtils.getJidAttribute(parser, "id"); 060 } 061 else if ((eventType == XmlPullParser.END_TAG) && parser.getName().equals( 062 "offer-revoke")) { 063 done = true; 064 } 065 } 066 067 return new OfferRevokePacket(userJID, userID, reason, sessionID); 068 } 069 070 public static class OfferRevokePacket extends IQ { 071 072 public static final String ELEMENT = "offer-revoke"; 073 public static final String NAMESPACE = "http://jabber.org/protocol/workgroup"; 074 private final Jid userJID; 075 private final Jid userID; 076 private final String sessionID; 077 private final String reason; 078 079 public OfferRevokePacket (Jid userJID, Jid userID, String cause, String sessionID) { 080 super(ELEMENT, NAMESPACE); 081 this.userJID = userJID; 082 this.userID = userID; 083 this.reason = cause; 084 this.sessionID = sessionID; 085 } 086 087 public Jid getUserJID() { 088 return userJID; 089 } 090 091 public Jid getUserID() { 092 return this.userID; 093 } 094 095 public String getReason() { 096 return this.reason; 097 } 098 099 public String getSessionID() { 100 return this.sessionID; 101 } 102 103 @Override 104 protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder buf) { 105 buf.append(" jid=\"").append(userID).append("\">"); 106 if (reason != null) { 107 buf.append("<reason>").append(reason).append("</reason>"); 108 } 109 if (sessionID != null) { 110 buf.append(new SessionID(sessionID).toXML(null)); 111 } 112 if (userID != null) { 113 buf.append(new UserID(userID).toXML(null)); 114 } 115 return buf; 116 } 117 } 118}