RSMSet.java
- /**
- *
- * Copyright © 2014-2020 Florian Schmaus
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.jivesoftware.smackx.rsm.packet;
- import javax.xml.namespace.QName;
- import org.jivesoftware.smack.packet.ExtensionElement;
- import org.jivesoftware.smack.packet.Stanza;
- import org.jivesoftware.smack.util.XmlStringBuilder;
- public class RSMSet implements ExtensionElement {
- public static final String ELEMENT = "set";
- public static final String NAMESPACE = "http://jabber.org/protocol/rsm";
- public static final QName QNAME = new QName(NAMESPACE, ELEMENT);
- private final String after;
- private final String before;
- private final int count;
- private final int index;
- private final String last;
- private final int max;
- private final String firstString;
- private final int firstIndex;
- public enum PageDirection {
- before,
- after
- }
- public RSMSet(int max) {
- this(max, -1);
- }
- public RSMSet(int max, int index) {
- this(null, null, -1, index, null, max, null, -1);
- }
- public RSMSet(String item, PageDirection pageDirection) {
- this(-1, item, pageDirection);
- }
- public RSMSet(int max, String item, PageDirection pageDirection) {
- switch (pageDirection) {
- case before:
- this.before = item;
- this.after = null;
- break;
- case after:
- this.before = null;
- this.after = item;
- break;
- default:
- throw new AssertionError();
- }
- this.count = -1;
- this.index = -1;
- this.last = null;
- this.max = max;
- this.firstString = null;
- this.firstIndex = -1;
- }
- public RSMSet(String after, String before, int count, int index,
- String last, int max, String firstString, int firstIndex) {
- this.after = after;
- this.before = before;
- this.count = count;
- this.index = index;
- this.last = last;
- this.max = max;
- this.firstString = firstString;
- this.firstIndex = firstIndex;
- }
- public String getAfter() {
- return after;
- }
- public String getBefore() {
- return before;
- }
- public int getCount() {
- return count;
- }
- public int getIndex() {
- return index;
- }
- public String getLast() {
- return last;
- }
- public int getMax() {
- return max;
- }
- public String getFirst() {
- return firstString;
- }
- public int getFirstIndex() {
- return firstIndex;
- }
- @Override
- public String getElementName() {
- return ELEMENT;
- }
- @Override
- public String getNamespace() {
- return NAMESPACE;
- }
- @Override
- public XmlStringBuilder toXML(org.jivesoftware.smack.packet.XmlEnvironment enclosingNamespace) {
- XmlStringBuilder xml = new XmlStringBuilder(this);
- xml.rightAngleBracket();
- xml.optElement("after", after);
- xml.optElement("before", before);
- xml.optIntElement("count", count);
- if (firstString != null) {
- xml.halfOpenElement("first");
- xml.optIntAttribute("index", firstIndex);
- xml.rightAngleBracket();
- xml.append(firstString);
- xml.closeElement("first");
- }
- xml.optIntElement("index", index);
- xml.optElement("last", last);
- xml.optIntElement("max", max);
- xml.closeElement(this);
- return xml;
- }
- public static RSMSet from(Stanza packet) {
- return (RSMSet) packet.getExtensionElement(ELEMENT, NAMESPACE);
- }
- public static RSMSet newAfter(String after) {
- return new RSMSet(after, PageDirection.after);
- }
- public static RSMSet newBefore(String before) {
- return new RSMSet(before, PageDirection.before);
- }
- }