262 lines
10 KiB
Java
262 lines
10 KiB
Java
/**
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*
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* Copyright 2016-2017 Fernando Ramirez, 2016-2020 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.blocking;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.WeakHashMap;
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import java.util.concurrent.CopyOnWriteArraySet;
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import org.jivesoftware.smack.ConnectionCreationListener;
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import org.jivesoftware.smack.ConnectionListener;
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import org.jivesoftware.smack.Manager;
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import org.jivesoftware.smack.SmackException.NoResponseException;
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import org.jivesoftware.smack.SmackException.NotConnectedException;
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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.XMPPException.XMPPErrorException;
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import org.jivesoftware.smack.iqrequest.AbstractIqRequestHandler;
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import org.jivesoftware.smack.iqrequest.IQRequestHandler.Mode;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smackx.blocking.element.BlockContactsIQ;
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import org.jivesoftware.smackx.blocking.element.BlockListIQ;
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import org.jivesoftware.smackx.blocking.element.UnblockContactsIQ;
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import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
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import org.jxmpp.jid.Jid;
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/**
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* Blocking command manager class.
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*
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* @author Fernando Ramirez
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* @author Florian Schmaus
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* @see <a href="http://xmpp.org/extensions/xep-0191.html">XEP-0191: Blocking
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* Command</a>
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*/
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public final class BlockingCommandManager extends Manager {
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public static final String NAMESPACE = "urn:xmpp:blocking";
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private volatile List<Jid> blockListCached;
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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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private static final Map<XMPPConnection, BlockingCommandManager> INSTANCES = new WeakHashMap<>();
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/**
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* Get the singleton instance of BlockingCommandManager.
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*
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* @param connection TODO javadoc me please
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* @return the instance of BlockingCommandManager
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*/
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public static synchronized BlockingCommandManager getInstanceFor(XMPPConnection connection) {
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BlockingCommandManager blockingCommandManager = INSTANCES.get(connection);
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if (blockingCommandManager == null) {
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blockingCommandManager = new BlockingCommandManager(connection);
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INSTANCES.put(connection, blockingCommandManager);
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}
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return blockingCommandManager;
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}
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private final Set<AllJidsUnblockedListener> allJidsUnblockedListeners = new CopyOnWriteArraySet<>();
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private final Set<JidsBlockedListener> jidsBlockedListeners = new CopyOnWriteArraySet<>();
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private final Set<JidsUnblockedListener> jidsUnblockedListeners = new CopyOnWriteArraySet<>();
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private BlockingCommandManager(XMPPConnection connection) {
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super(connection);
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// block IQ handler
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connection.registerIQRequestHandler(
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new AbstractIqRequestHandler(BlockContactsIQ.ELEMENT, BlockContactsIQ.NAMESPACE, IQ.Type.set, Mode.sync) {
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@Override
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public IQ handleIQRequest(IQ iqRequest) {
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BlockContactsIQ blockContactIQ = (BlockContactsIQ) iqRequest;
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if (blockListCached == null) {
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blockListCached = new ArrayList<>();
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}
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List<Jid> blockedJids = blockContactIQ.getJids();
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blockListCached.addAll(blockedJids);
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for (JidsBlockedListener listener : jidsBlockedListeners) {
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listener.onJidsBlocked(blockedJids);
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}
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return IQ.createResultIQ(blockContactIQ);
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}
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});
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// unblock IQ handler
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connection.registerIQRequestHandler(new AbstractIqRequestHandler(UnblockContactsIQ.ELEMENT,
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UnblockContactsIQ.NAMESPACE, IQ.Type.set, Mode.sync) {
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@Override
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public IQ handleIQRequest(IQ iqRequest) {
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UnblockContactsIQ unblockContactIQ = (UnblockContactsIQ) iqRequest;
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if (blockListCached == null) {
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blockListCached = new ArrayList<>();
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}
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List<Jid> unblockedJids = unblockContactIQ.getJids();
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if (unblockedJids == null) { // remove all
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blockListCached.clear();
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for (AllJidsUnblockedListener listener : allJidsUnblockedListeners) {
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listener.onAllJidsUnblocked();
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}
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} else { // remove only some
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blockListCached.removeAll(unblockedJids);
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for (JidsUnblockedListener listener : jidsUnblockedListeners) {
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listener.onJidsUnblocked(unblockedJids);
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}
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}
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return IQ.createResultIQ(unblockContactIQ);
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}
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});
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connection.addConnectionListener(new ConnectionListener() {
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@Override
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public void authenticated(XMPPConnection connection, boolean resumed) {
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// No need to reset the cache if the connection got resumed.
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if (resumed) {
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return;
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}
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blockListCached = null;
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}
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});
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}
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/**
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* Returns true if Blocking Command is supported by the server.
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*
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* @return true if Blocking Command is supported by the server.
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* @throws NoResponseException if there was no response from the remote entity.
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* @throws XMPPErrorException if there was an XMPP error returned.
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* @throws NotConnectedException if the XMPP connection is not connected.
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* @throws InterruptedException if the calling thread was interrupted.
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*/
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public boolean isSupportedByServer()
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throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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return ServiceDiscoveryManager.getInstanceFor(connection()).serverSupportsFeature(NAMESPACE);
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}
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/**
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* Returns the block list.
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*
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* @return the blocking list
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* @throws NoResponseException if there was no response from the remote entity.
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* @throws XMPPErrorException if there was an XMPP error returned.
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* @throws NotConnectedException if the XMPP connection is not connected.
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* @throws InterruptedException if the calling thread was interrupted.
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*/
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public List<Jid> getBlockList()
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throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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if (blockListCached == null) {
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BlockListIQ blockListIQ = new BlockListIQ();
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BlockListIQ blockListIQResult = connection().sendIqRequestAndWaitForResponse(blockListIQ);
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blockListCached = blockListIQResult.getBlockedJidsCopy();
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}
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return Collections.unmodifiableList(blockListCached);
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}
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/**
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* Block contacts.
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*
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* @param jids TODO javadoc me please
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* @throws NoResponseException if there was no response from the remote entity.
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* @throws XMPPErrorException if there was an XMPP error returned.
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* @throws NotConnectedException if the XMPP connection is not connected.
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* @throws InterruptedException if the calling thread was interrupted.
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*/
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public void blockContacts(List<Jid> jids)
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throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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BlockContactsIQ blockContactIQ = new BlockContactsIQ(jids);
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connection().sendIqRequestAndWaitForResponse(blockContactIQ);
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}
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/**
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* Unblock contacts.
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*
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* @param jids TODO javadoc me please
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* @throws NoResponseException if there was no response from the remote entity.
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* @throws XMPPErrorException if there was an XMPP error returned.
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* @throws NotConnectedException if the XMPP connection is not connected.
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* @throws InterruptedException if the calling thread was interrupted.
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*/
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public void unblockContacts(List<Jid> jids)
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throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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UnblockContactsIQ unblockContactIQ = new UnblockContactsIQ(jids);
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connection().sendIqRequestAndWaitForResponse(unblockContactIQ);
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}
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/**
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* Unblock all.
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*
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* @throws NoResponseException if there was no response from the remote entity.
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* @throws XMPPErrorException if there was an XMPP error returned.
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* @throws NotConnectedException if the XMPP connection is not connected.
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* @throws InterruptedException if the calling thread was interrupted.
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*/
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public void unblockAll()
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throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
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UnblockContactsIQ unblockContactIQ = new UnblockContactsIQ();
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connection().sendIqRequestAndWaitForResponse(unblockContactIQ);
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}
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public void addJidsBlockedListener(JidsBlockedListener jidsBlockedListener) {
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jidsBlockedListeners.add(jidsBlockedListener);
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}
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public void removeJidsBlockedListener(JidsBlockedListener jidsBlockedListener) {
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jidsBlockedListeners.remove(jidsBlockedListener);
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}
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public void addJidsUnblockedListener(JidsUnblockedListener jidsUnblockedListener) {
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jidsUnblockedListeners.add(jidsUnblockedListener);
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}
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public void removeJidsUnblockedListener(JidsUnblockedListener jidsUnblockedListener) {
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jidsUnblockedListeners.remove(jidsUnblockedListener);
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}
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public void addAllJidsUnblockedListener(AllJidsUnblockedListener allJidsUnblockedListener) {
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allJidsUnblockedListeners.add(allJidsUnblockedListener);
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}
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public void removeAllJidsUnblockedListener(AllJidsUnblockedListener allJidsUnblockedListener) {
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allJidsUnblockedListeners.remove(allJidsUnblockedListener);
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}
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}
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