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    protected String jid;
029    protected String id;
030
031    public UnsubscribeExtension(String subscriptionJid) {
032        this(subscriptionJid, null, null);
033    }
034
035    public UnsubscribeExtension(String subscriptionJid, String nodeId) {
036        this(subscriptionJid, nodeId, null);
037    }
038
039    public UnsubscribeExtension(String jid, String nodeId, String subscriptionId) {
040        super(PubSubElementType.UNSUBSCRIBE, nodeId);
041        this.jid = jid;
042        id = subscriptionId;
043    }
044
045    public String getJid() {
046        return jid;
047    }
048
049    public String getId() {
050        return id;
051    }
052
053    @Override
054    protected void addXml(XmlStringBuilder xml) {
055        xml.attribute("jid", jid);
056        xml.optAttribute("subid", id);
057        xml.closeEmptyElement();
058    }
059}