93 lines
2.7 KiB
Java
93 lines
2.7 KiB
Java
/**
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*
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* Copyright 2023 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.thumbnails.element;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.packet.XmlEnvironment;
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import org.jivesoftware.smack.util.Objects;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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public class ThumbnailElement implements ExtensionElement {
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public static final String ELEMENT = "thumbnail";
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public static final String NAMESPACE = "urn:xmpp:thumbs:1";
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public static final String ELEM_URI = "uri";
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public static final String ELEM_MEDIA_TYPE = "media-type";
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public static final String ELEM_WIDTH = "width";
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public static final String ELEM_HEIGHT = "height";
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private final String uri;
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private final String mediaType;
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private final Integer width;
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private final Integer height;
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public ThumbnailElement(String uri) {
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this(uri, null, null, null);
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}
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public ThumbnailElement(String uri, String mediaType, Integer width, Integer height) {
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this.uri = Objects.requireNonNull(uri);
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this.mediaType = mediaType;
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if (width != null && width < 0) {
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throw new IllegalArgumentException("Width cannot be negative.");
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}
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this.width = width;
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if (height != null && height < 0) {
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throw new IllegalArgumentException("Height cannot be negative.");
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}
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this.height = height;
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}
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public String getUri() {
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return uri;
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}
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public String getMediaType() {
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return mediaType;
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}
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public Integer getWidth() {
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return width;
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}
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public Integer getHeight() {
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return height;
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}
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@Override
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public CharSequence toXML(XmlEnvironment xmlEnvironment) {
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XmlStringBuilder sb = new XmlStringBuilder(this, xmlEnvironment);
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return sb.attribute(ELEM_URI, uri)
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.optAttribute(ELEM_MEDIA_TYPE, mediaType)
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.optAttribute(ELEM_WIDTH, width)
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.optAttribute(ELEM_HEIGHT, height)
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.closeEmptyElement();
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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 String getNamespace() {
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return NAMESPACE;
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}
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}
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