mirror of
https://github.com/vanitasvitae/Smack.git
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e6aa2416e4
Removes a ton of duplicate code, mostly related to MUCItem being duplicated in MUCOwner and MUCAdmin, but also some other duplicate code. Make MUC code use XmlStringBuilder. Add ELEMENT and NAMESPACE constants to the appropriate places. Also add "static <MUCPacketExtension> getFrom(Packet)" methods. Make some MUC classes implement Element.
121 lines
4 KiB
Java
121 lines
4 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software.
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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.muc.packet;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smack.packet.PacketExtension;
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import org.jivesoftware.smack.provider.PacketExtensionProvider;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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import org.xmlpull.v1.XmlPullParser;
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/**
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* A group chat invitation packet extension, which is used to invite other
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* users to a group chat room. To invite a user to a group chat room, address
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* a new message to the user and set the room name appropriately, as in the
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* following code example:
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*
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* <pre>
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* Message message = new Message("user@chat.example.com");
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* message.setBody("Join me for a group chat!");
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* message.addExtension(new GroupChatInvitation("room@chat.example.com"););
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* con.sendPacket(message);
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* </pre>
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*
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* To listen for group chat invitations, use a PacketExtensionFilter for the
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* <tt>x</tt> element name and <tt>jabber:x:conference</tt> namespace, as in the
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* following code example:
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*
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* <pre>
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* PacketFilter filter = new PacketExtensionFilter("x", "jabber:x:conference");
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* // Create a packet collector or packet listeners using the filter...
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* </pre>
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*
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* <b>Note</b>: this protocol is outdated now that the Multi-User Chat (MUC) XEP is available
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* (<a href="http://www.xmpp.org/extensions/jep-0045.html">XEP-45</a>). However, most
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* existing clients still use this older protocol. Once MUC support becomes more
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* widespread, this API may be deprecated.
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*
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* @author Matt Tucker
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*/
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public class GroupChatInvitation implements PacketExtension {
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/**
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* Element name of the packet extension.
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*/
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public static final String ELEMENT = "x";
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/**
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* Namespace of the packet extension.
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*/
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public static final String NAMESPACE = "jabber:x:conference";
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private final String roomAddress;
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/**
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* Creates a new group chat invitation to the specified room address.
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* GroupChat room addresses are in the form <tt>room@service</tt>,
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* where <tt>service</tt> is the name of groupchat server, such as
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* <tt>chat.example.com</tt>.
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*
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* @param roomAddress the address of the group chat room.
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*/
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public GroupChatInvitation(String roomAddress) {
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this.roomAddress = roomAddress;
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}
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/**
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* Returns the address of the group chat room. GroupChat room addresses
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* are in the form <tt>room@service</tt>, where <tt>service</tt> is
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* the name of groupchat server, such as <tt>chat.example.com</tt>.
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*
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* @return the address of the group chat room.
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*/
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public String getRoomAddress() {
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return roomAddress;
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}
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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 NAMESPACE;
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}
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@Override
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public XmlStringBuilder toXML() {
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XmlStringBuilder xml = new XmlStringBuilder(this);
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xml.attribute("jid", getRoomAddress());
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xml.closeEmptyElement();
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return xml;
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}
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public static GroupChatInvitation getFrom(Packet packet) {
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return packet.getExtension(ELEMENT, NAMESPACE);
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}
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public static class Provider implements PacketExtensionProvider {
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public PacketExtension parseExtension (XmlPullParser parser) throws Exception {
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String roomAddress = parser.getAttributeValue("", "jid");
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// Advance to end of extension.
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parser.next();
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return new GroupChatInvitation(roomAddress);
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}
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}
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}
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