001/**
002 *
003 * Copyright © 2014-2020 Florian Schmaus
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.smack.compress.packet;
018
019import java.util.Collections;
020import java.util.List;
021
022import javax.xml.namespace.QName;
023
024import org.jivesoftware.smack.packet.ExtensionElement;
025import org.jivesoftware.smack.packet.Nonza;
026import org.jivesoftware.smack.util.XmlStringBuilder;
027
028public class Compress implements Nonza {
029
030    public static final String ELEMENT = "compress";
031    public static final String NAMESPACE = "http://jabber.org/protocol/compress";
032
033    public final String method;
034
035    public Compress(String method) {
036        this.method = method;
037    }
038
039    @Override
040    public String getElementName() {
041        return ELEMENT;
042    }
043
044    @Override
045    public String getNamespace() {
046        return NAMESPACE;
047    }
048
049    @Override
050    public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
051        XmlStringBuilder xml = new XmlStringBuilder(this, enclosingNamespace);
052        xml.rightAngleBracket();
053        xml.element("method", method);
054        xml.closeElement(this);
055        return xml;
056    }
057
058    public static class Feature implements ExtensionElement {
059        public static final String ELEMENT = "compression";
060        public static final QName QNAME = new QName(NAMESPACE, ELEMENT);
061
062        public final List<String> methods;
063
064        public Feature(List<String> methods) {
065            this.methods = methods;
066        }
067
068        public List<String> getMethods() {
069            return Collections.unmodifiableList(methods);
070        }
071
072        @Override
073        public String getNamespace() {
074            return NAMESPACE;
075        }
076
077        @Override
078        public String getElementName() {
079            return ELEMENT;
080        }
081
082        @Override
083        public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
084            XmlStringBuilder xml = new XmlStringBuilder(this);
085            xml.rightAngleBracket();
086            for (String method : methods) {
087                xml.element("method", method);
088            }
089            xml.closeElement(this);
090            return xml;
091        }
092    }
093}