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This new souce directory and artifact initially contains message carbons (XEP-0280) code provided by George Lukas. git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/branches/smack_3_4_0@13882 b35dd754-fafc-0310-a699-88a17e54d16e
118 lines
3.3 KiB
Java
118 lines
3.3 KiB
Java
/**
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* Copyright 2013 Georg Lukas
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*
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* All rights reserved. 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.carbons;
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import org.jivesoftware.smack.packet.PacketExtension;
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import org.jivesoftware.smackx.forward.Forwarded;
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/**
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* Packet extension for XEP-0280: Message Carbons. The extension
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* <a href="http://xmpp.org/extensions/xep-0280.html">XEP-0280</a> is
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* meant to synchronize a message flow to multiple presences of a user.
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*
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* <p>
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* It accomplishes this by wrapping a {@link Forwarded} packet in a <b>sent</b>
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* or <b>received</b> element
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*
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* @author Georg Lukas
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*/
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public class Carbon implements PacketExtension {
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public static final String NAMESPACE = "urn:xmpp:carbons:2";
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private Direction dir;
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private Forwarded fwd;
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/**
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* Construct a Carbon message extension.
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*
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* @param dir Determines if the carbon is being sent/received
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* @param fwd The forwarded message.
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*/
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public Carbon(Direction dir, Forwarded fwd) {
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this.dir = dir;
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this.fwd = fwd;
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}
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/**
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* Get the direction (sent or received) of the carbon.
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*
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* @return the {@link Direction} of the carbon.
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*/
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public Direction getDirection() {
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return dir;
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}
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/**
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* Get the forwarded packet.
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*
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* @return the {@link Forwarded} message contained in this Carbon.
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*/
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public Forwarded getForwarded() {
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return fwd;
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}
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@Override
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public String getElementName() {
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return dir.toString();
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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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@Override
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public String toXML() {
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StringBuilder buf = new StringBuilder();
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buf.append("<").append(getElementName()).append(" xmlns=\"")
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.append(getNamespace()).append("\">");
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buf.append(fwd.toXML());
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buf.append("</").append(getElementName()).append(">");
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return buf.toString();
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}
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/**
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* Defines the direction of a {@link Carbon} message.
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*/
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public static enum Direction {
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received,
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sent
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}
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/**
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* Packet extension indicating that a message may not be carbon-copied. Adding this
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* extension to any message will disallow that message from being copied.
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*/
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public static class Private implements PacketExtension {
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public static final String ELEMENT = "private";
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public String getElementName() {
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return ELEMENT;
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}
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public String getNamespace() {
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return Carbon.NAMESPACE;
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}
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public String toXML() {
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return "<" + ELEMENT + " xmlns=\"" + Carbon.NAMESPACE + "\"/>";
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}
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}
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}
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