001/** 002 * 003 * Copyright © 2014 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.packet; 018 019import java.util.Collection; 020import java.util.Collections; 021import java.util.LinkedList; 022import java.util.List; 023 024import org.jivesoftware.smack.util.XmlStringBuilder; 025 026public class Mechanisms implements ExtensionElement { 027 028 public static final String ELEMENT = "mechanisms"; 029 public static final String NAMESPACE = "urn:ietf:params:xml:ns:xmpp-sasl"; 030 031 public final List<String> mechanisms = new LinkedList<String>(); 032 033 public Mechanisms(String mechanism) { 034 mechanisms.add(mechanism); 035 } 036 037 public Mechanisms(Collection<String> mechanisms) { 038 this.mechanisms.addAll(mechanisms); 039 } 040 041 @Override 042 public String getElementName() { 043 return ELEMENT; 044 } 045 046 @Override 047 public String getNamespace() { 048 return NAMESPACE; 049 } 050 051 public List<String> getMechanisms() { 052 return Collections.unmodifiableList(mechanisms); 053 } 054 055 @Override 056 public XmlStringBuilder toXML(String enclosingNamespace) { 057 XmlStringBuilder xml = new XmlStringBuilder(this); 058 xml.rightAngleBracket(); 059 for (String mechanism : mechanisms) { 060 xml.element("mechanism", mechanism); 061 } 062 xml.closeElement(this); 063 return xml; 064 } 065 066}