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131 lines
3.6 KiB
Java
131 lines
3.6 KiB
Java
/**
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*
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* Copyright 2014 Andriy Tsykholyas, 2015 Florian Schmaus
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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.hoxt.packet;
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import org.jivesoftware.smack.packet.ExtensionElement;
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import org.jivesoftware.smack.util.Objects;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.jivesoftware.smackx.hoxt.HOXTManager;
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/**
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* Stanza extension for base64 binary chunks.<p>
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* This class is immutable.
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*
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* @author Andriy Tsykholyas
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* @see <a href="http://xmpp.org/extensions/xep-0332.html">XEP-0332: HTTP over XMPP transport</a>
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*/
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public class Base64BinaryChunk implements ExtensionElement {
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public static final String ELEMENT_CHUNK = "chunk";
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public static final String ATTRIBUTE_STREAM_ID = "streamId";
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public static final String ATTRIBUTE_LAST = "last";
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public static final String ATTRIBUTE_NR = "nr";
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private final String streamId;
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private final boolean last;
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private final String text;
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private final int nr;
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/**
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* Creates the extension.
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*
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* @param text value of text attribute
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* @param streamId value of streamId attribute
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* @param nr value of nr attribute
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* @param last value of last attribute
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*/
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public Base64BinaryChunk(String text, String streamId, int nr, boolean last) {
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this.text = Objects.requireNonNull(text, "text must not be null");
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this.streamId = Objects.requireNonNull(streamId, "streamId must not be null");
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if (nr < 0) {
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throw new IllegalArgumentException("nr must be a non negative integer");
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}
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this.nr = nr;
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this.last = last;
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}
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/**
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* Creates the extension. Last attribute will be initialized with default value (false).
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*
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* @param text value of text attribute
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* @param streamId value of streamId attribute
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* @param nr value of nr attribute
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*/
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public Base64BinaryChunk(String text, String streamId, int nr) {
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this(text, streamId, nr, false);
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}
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/**
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* Returns streamId attribute.
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*
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* @return streamId attribute
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*/
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public String getStreamId() {
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return streamId;
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}
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/**
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* Returns last attribute.
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*
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* @return last attribute
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*/
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public boolean isLast() {
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return last;
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}
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/**
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* Returns text attribute.
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*
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* @return text attribute
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*/
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public String getText() {
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return text;
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}
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/**
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* Returns nr attribute.
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*
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* @return nr attribute
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*/
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public int getNr() {
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return nr;
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}
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@Override
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public String getElementName() {
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return ELEMENT_CHUNK;
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}
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@Override
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public String getNamespace() {
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return HOXTManager.NAMESPACE;
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}
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@Override
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public XmlStringBuilder toXML(String enclosingNamespace) {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.attribute("streamId", streamId);
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xml.attribute("nr", nr);
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xml.optBooleanAttribute("last", last);
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xml.rightAngleBracket();
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xml.append(text);
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xml.closeElement(this);
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return xml;
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}
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}
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