95 lines
2.8 KiB
Java
95 lines
2.8 KiB
Java
/**
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*
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* Copyright 2020 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.file_metadata.element.child;
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import org.jivesoftware.smack.packet.NamedElement;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.util.EqualsUtil;
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import org.jivesoftware.smack.util.HashCode;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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/**
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* A human readable description of the file. Multiple {@link DescElement DescElements} MAY be included
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* if different xml:lang values are specified.
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*/
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public class DescElement implements NamedElement {
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public static final String ELEMENT = "desc";
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private final String description;
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private final String lang;
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public DescElement(String description) {
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this(description, null);
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}
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public DescElement(String description, String lang) {
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this.description = StringUtils.requireNotNullNorEmpty(description, "Description MUST NOT be null nor empty");
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this.lang = lang;
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}
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/**
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* Return the description of the file.
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*
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* @return description
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*/
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public String getDescription() {
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return description;
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}
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/**
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* Return the language of the description or null.
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*
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* @return language or null
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*/
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public String getLanguage() {
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return lang;
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}
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@Override
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public XmlStringBuilder toXML(XmlEnvironment xmlEnvironment) {
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return new XmlStringBuilder(this)
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.optXmlLangAttribute(getLanguage())
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.rightAngleBracket()
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.append(getDescription())
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.closeElement(this);
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}
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@Override
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public String getElementName() {
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return ELEMENT;
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}
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@Override
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public int hashCode() {
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return HashCode.builder()
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.append(getElementName())
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.append(getLanguage())
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.append(getDescription())
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.build();
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}
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@Override
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public boolean equals(Object obj) {
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return EqualsUtil.equals(this, obj, (equalsBuilder, other) ->
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equalsBuilder.append(getElementName(), other.getElementName())
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.append(getLanguage(), other.getLanguage())
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.append(getDescription(), other.getDescription()));
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}
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}
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