001/** 002 * 003 * Copyright © 2017 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 org.jivesoftware.smack.util.StringUtils; 020import org.jivesoftware.smack.util.XmlStringBuilder; 021 022public abstract class AbstractTextElement implements ExtensionElement { 023 024 public static final String ELEMENT = "text"; 025 026 private final String text; 027 private final String lang; 028 029 protected AbstractTextElement(String text, String lang) { 030 this.text = StringUtils.requireNotNullOrEmpty(text, "Text must not be null or empty"); 031 this.lang = lang; 032 } 033 034 @Override 035 public String getElementName() { 036 return ELEMENT; 037 } 038 039 @Override 040 public XmlStringBuilder toXML(String enclosingNamespace) { 041 XmlStringBuilder xml = new XmlStringBuilder(this); 042 xml.optXmlLangAttribute(lang); 043 xml.rightAngleBracket(); 044 xml.escape(text); 045 xml.closeElement(this); 046 return xml; 047 } 048 049 public final String getText() { 050 return text; 051 } 052 053 public final String getLang() { 054 return lang; 055 } 056}