001/**
002 *
003 * Copyright © 2014-2015 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 org.jivesoftware.smack.packet.ExtensionElement;
023import org.jivesoftware.smack.packet.Nonza;
024import org.jivesoftware.smack.util.XmlStringBuilder;
025
026public class Compress implements Nonza {
027
028    public static final String ELEMENT = "compress";
029    public static final String NAMESPACE = "http://jabber.org/protocol/compress";
030
031    public final String method;
032
033    public Compress(String method) {
034        this.method = method;
035    }
036
037    @Override
038    public String getElementName() {
039        return ELEMENT;
040    }
041
042    @Override
043    public String getNamespace() {
044        return NAMESPACE;
045    }
046
047    @Override
048    public XmlStringBuilder toXML(String enclosingNamespace) {
049        XmlStringBuilder xml = new XmlStringBuilder(this);
050        xml.rightAngleBracket();
051        xml.element("method", method);
052        xml.closeElement(this);
053        return xml;
054    }
055
056    public static class Feature implements ExtensionElement {
057        public static final String ELEMENT = "compression";
058
059        public final List<String> methods;
060
061        public Feature(List<String> methods) {
062            this.methods = methods;
063        }
064
065        public List<String> getMethods() {
066            return Collections.unmodifiableList(methods);
067        }
068
069        @Override
070        public String getNamespace() {
071            return NAMESPACE;
072        }
073
074        @Override
075        public String getElementName() {
076            return ELEMENT;
077        }
078
079        @Override
080        public XmlStringBuilder toXML(String enclosingNamespace) {
081            XmlStringBuilder xml = new XmlStringBuilder(this);
082            xml.rightAngleBracket();
083            for (String method : methods) {
084                xml.element("method", method);
085            }
086            xml.closeElement(this);
087            return xml;
088        }
089    }
090}