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}