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; 025import org.jxmpp.jid.Jid; 026import org.xmlpull.v1.XmlPullParser; 027import org.xmlpull.v1.XmlPullParserException; 028 029/** 030 * An IQProvider class which has savvy about the offer-revoke tag.<br> 031 * 032 * @author loki der quaeler 033 */ 034public class OfferRevokeProvider extends IQProvider<IQ> { 035 036 @Override 037 public OfferRevokePacket parse(XmlPullParser parser, int initialDepth) throws XmlPullParserException, IOException { 038 // The parser will be positioned on the opening IQ tag, so get the JID attribute. 039 Jid userJID = ParserUtils.getJidAttribute(parser); 040 // Default the userID to the JID. 041 Jid userID = userJID; 042 String reason = null; 043 String sessionID = null; 044 boolean done = false; 045 046 while (!done) { 047 int eventType = parser.next(); 048 049 if ((eventType == XmlPullParser.START_TAG) && parser.getName().equals("reason")) { 050 reason = parser.nextText(); 051 } 052 else if ((eventType == XmlPullParser.START_TAG) 053 && parser.getName().equals(SessionID.ELEMENT_NAME)) { 054 sessionID = parser.getAttributeValue("", "id"); 055 } 056 else if ((eventType == XmlPullParser.START_TAG) 057 && parser.getName().equals(UserID.ELEMENT_NAME)) { 058 userID = ParserUtils.getJidAttribute(parser, "id"); 059 } 060 else if ((eventType == XmlPullParser.END_TAG) && parser.getName().equals( 061 "offer-revoke")) 062 { 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 Jid userJID; 075 private Jid userID; 076 private String sessionID; 077 private 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()); 111 } 112 if (userID != null) { 113 buf.append(new UserID(userID).toXML()); 114 } 115 return buf; 116 } 117 } 118}