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a70063dc89
Rename and deprecate XMPPConnections methods as described in SMACK-802
119 lines
4.3 KiB
Java
119 lines
4.3 KiB
Java
/**
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*
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* Copyright 2018 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.sid;
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import java.util.Map;
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import java.util.WeakHashMap;
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import org.jivesoftware.smack.ConnectionCreationListener;
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import org.jivesoftware.smack.Manager;
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import org.jivesoftware.smack.StanzaListener;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPConnectionRegistry;
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import org.jivesoftware.smack.filter.AndFilter;
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import org.jivesoftware.smack.filter.MessageTypeFilter;
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import org.jivesoftware.smack.filter.NotFilter;
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import org.jivesoftware.smack.filter.StanzaExtensionFilter;
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import org.jivesoftware.smack.filter.StanzaFilter;
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import org.jivesoftware.smack.filter.ToTypeFilter;
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import org.jivesoftware.smack.packet.Message;
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import org.jivesoftware.smack.packet.Stanza;
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import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
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import org.jivesoftware.smackx.sid.element.OriginIdElement;
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public final class StableUniqueStanzaIdManager extends Manager {
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public static final String NAMESPACE = "urn:xmpp:sid:0";
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private static final Map<XMPPConnection, StableUniqueStanzaIdManager> INSTANCES = new WeakHashMap<>();
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// Filter for outgoing stanzas.
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private static final StanzaFilter OUTGOING_FILTER = new AndFilter(
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MessageTypeFilter.NORMAL_OR_CHAT_OR_HEADLINE,
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ToTypeFilter.ENTITY_FULL_OR_BARE_JID);
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private static final StanzaFilter ORIGIN_ID_FILTER = new StanzaExtensionFilter(OriginIdElement.ELEMENT, NAMESPACE);
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// Listener for outgoing stanzas that adds origin-ids to outgoing stanzas.
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private final StanzaListener stanzaListener = new StanzaListener() {
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@Override
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public void processStanza(Stanza stanza) {
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OriginIdElement.addOriginId((Message) stanza);
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}
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};
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static {
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XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() {
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@Override
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public void connectionCreated(XMPPConnection connection) {
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getInstanceFor(connection);
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}
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});
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}
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/**
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* Private constructor.
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* @param connection
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*/
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private StableUniqueStanzaIdManager(XMPPConnection connection) {
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super(connection);
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enable();
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}
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/**
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* Return an instance of the StableUniqueStanzaIdManager for the given connection.
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*
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* @param connection xmpp-connection
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* @return manager instance for the connection
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*/
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public static StableUniqueStanzaIdManager getInstanceFor(XMPPConnection connection) {
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StableUniqueStanzaIdManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new StableUniqueStanzaIdManager(connection);
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INSTANCES.put(connection, manager);
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}
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return manager;
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}
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/**
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* Start appending origin-id elements to outgoing stanzas and add the feature to disco.
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*/
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public synchronized void enable() {
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ServiceDiscoveryManager.getInstanceFor(connection()).addFeature(NAMESPACE);
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StanzaFilter filter = new AndFilter(OUTGOING_FILTER, new NotFilter(OUTGOING_FILTER));
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connection().addStanzaInterceptor(stanzaListener, filter);
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}
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/**
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* Stop appending origin-id elements to outgoing stanzas and remove the feature from disco.
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*/
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public synchronized void disable() {
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ServiceDiscoveryManager.getInstanceFor(connection()).removeFeature(NAMESPACE);
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connection().removeStanzaInterceptor(stanzaListener);
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}
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/**
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* Return true, if we automatically append origin-id elements to outgoing stanzas.
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*
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* @return true if functionality is enabled, otherwise false.
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*/
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public synchronized boolean isEnabled() {
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ServiceDiscoveryManager disco = ServiceDiscoveryManager.getInstanceFor(connection());
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return disco.includesFeature(NAMESPACE);
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}
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}
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