001/**
002 *
003 * Copyright the original author or authors
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 */
017package org.jivesoftware.smackx.pubsub;
018
019import org.jivesoftware.smack.util.XmlStringBuilder;
020
021
022/**
023 * Represents an unsubscribe element.
024 * 
025 * @author Robin Collier
026 */
027public class UnsubscribeExtension extends NodeExtension
028{
029        protected String jid;
030        protected String id;
031        
032        public UnsubscribeExtension(String subscriptionJid)
033        {
034                this(subscriptionJid, null, null);
035        }
036        
037        public UnsubscribeExtension(String subscriptionJid, String nodeId)
038        {
039                this(subscriptionJid, nodeId, null);
040        }
041        
042        public UnsubscribeExtension(String jid, String nodeId, String subscriptionId)
043        {
044                super(PubSubElementType.UNSUBSCRIBE, nodeId);
045                this.jid = jid;
046                id = subscriptionId;
047        }
048        
049        public String getJid()
050        {
051                return jid;
052        }
053        
054        public String getId()
055        {
056                return id;
057        }
058
059    @Override
060    public XmlStringBuilder toXML() {
061        XmlStringBuilder xml = new XmlStringBuilder();
062        xml.halfOpenElement(getElementName());
063        xml.attribute("jid", jid);
064        xml.optAttribute("node", getNode());
065        xml.optAttribute("subid", id);
066        xml.closeEmptyElement();
067        return xml;
068    }
069}