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https://codeberg.org/Mercury-IM/Smack
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2. Refactoring work 3. Optimization work. SMACK-153 4. Fixed roster test cases. SMACK-154 4. Fixed vCard issue. SMACK-152 git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@4538 b35dd754-fafc-0310-a699-88a17e54d16e
253 lines
8.8 KiB
Java
253 lines
8.8 KiB
Java
/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2003-2004 Jive Software.
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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.smack;
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import org.jivesoftware.smack.filter.PacketIDFilter;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.RosterPacket;
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import org.jivesoftware.smack.util.StringUtils;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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/**
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* A group of roster entries.
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*
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* @see Roster#getGroup(String)
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* @author Matt Tucker
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*/
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public class RosterGroup {
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private String name;
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private XMPPConnection connection;
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private final List<RosterEntry> entries;
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/**
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* Creates a new roster group instance.
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*
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* @param name the name of the group.
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* @param connection the connection the group belongs to.
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*/
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RosterGroup(String name, XMPPConnection connection) {
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this.name = name;
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this.connection = connection;
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entries = new ArrayList<RosterEntry>();
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}
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/**
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* Returns the name of the group.
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*
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* @return the name of the group.
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*/
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public String getName() {
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return name;
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}
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/**
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* Sets the name of the group. Changing the group's name is like moving all the group entries
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* of the group to a new group specified by the new name. Since this group won't have entries
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* it will be removed from the roster. This means that all the references to this object will
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* be invalid and will need to be updated to the new group specified by the new name.
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*
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* @param name the name of the group.
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*/
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public void setName(String name) {
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synchronized (entries) {
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for (RosterEntry entry : entries) {
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RosterPacket packet = new RosterPacket();
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packet.setType(IQ.Type.SET);
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RosterPacket.Item item = RosterEntry.toRosterItem(entry);
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item.removeGroupName(this.name);
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item.addGroupName(name);
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packet.addRosterItem(item);
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connection.sendPacket(packet);
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}
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}
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}
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/**
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* Returns the number of entries in the group.
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*
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* @return the number of entries in the group.
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*/
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public int getEntryCount() {
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synchronized (entries) {
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return entries.size();
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}
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}
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/**
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* Returns an unmodifiable collection of all entries in the group.
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*
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* @return all entries in the group.
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*/
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public Collection<RosterEntry> getEntries() {
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synchronized (entries) {
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return Collections.unmodifiableList(new ArrayList<RosterEntry>(entries));
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}
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}
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/**
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* Returns the roster entry associated with the given XMPP address or
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* <tt>null</tt> if the user is not an entry in the group.
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*
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* @param user the XMPP address of the user (eg "jsmith@example.com").
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* @return the roster entry or <tt>null</tt> if it does not exist in the group.
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*/
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public RosterEntry getEntry(String user) {
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if (user == null) {
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return null;
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}
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// Roster entries never include a resource so remove the resource
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// if it's a part of the XMPP address.
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user = StringUtils.parseBareAddress(user);
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String userLowerCase = user.toLowerCase();
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synchronized (entries) {
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for (RosterEntry entry : entries) {
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if (entry.getUser().equals(userLowerCase)) {
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return entry;
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}
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}
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}
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return null;
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}
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/**
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* Returns true if the specified entry is part of this group.
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*
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* @param entry a roster entry.
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* @return true if the entry is part of this group.
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*/
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public boolean contains(RosterEntry entry) {
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synchronized (entries) {
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return entries.contains(entry);
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}
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}
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/**
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* Returns true if the specified XMPP address is an entry in this group.
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*
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* @param user the XMPP address of the user.
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* @return true if the XMPP address is an entry in this group.
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*/
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public boolean contains(String user) {
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return getEntry(user) != null;
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}
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/**
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* Adds a roster entry to this group. If the entry was unfiled then it will be removed from
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* the unfiled list and will be added to this group.
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*
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* @param entry a roster entry.
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* @throws XMPPException if an error occured while trying to add the entry to the group.
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*/
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public void addEntry(RosterEntry entry) throws XMPPException {
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PacketCollector collector = null;
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// Only add the entry if it isn't already in the list.
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synchronized (entries) {
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if (!entries.contains(entry)) {
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RosterPacket packet = new RosterPacket();
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packet.setType(IQ.Type.SET);
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RosterPacket.Item item = RosterEntry.toRosterItem(entry);
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item.addGroupName(getName());
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packet.addRosterItem(item);
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// Wait up to a certain number of seconds for a reply from the server.
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collector = connection
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.createPacketCollector(new PacketIDFilter(packet.getPacketID()));
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connection.sendPacket(packet);
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}
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}
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if (collector != null) {
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IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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collector.cancel();
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if (response == null) {
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throw new XMPPException("No response from the server.");
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}
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// If the server replied with an error, throw an exception.
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else if (response.getType() == IQ.Type.ERROR) {
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throw new XMPPException(response.getError());
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}
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// Add the new entry to the group since the server processed the request successfully
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addEntryLocal(entry);
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}
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}
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/**
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* Removes a roster entry from this group. If the entry does not belong to any other group
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* then it will be considered as unfiled, therefore it will be added to the list of unfiled
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* entries.
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*
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* @param entry a roster entry.
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* @throws XMPPException if an error occured while trying to remove the entry from the group.
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*/
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public void removeEntry(RosterEntry entry) throws XMPPException {
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PacketCollector collector = null;
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// Only remove the entry if it's in the entry list.
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// Remove the entry locally, if we wait for RosterPacketListenerprocess>>Packet(Packet)
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// to take place the entry will exist in the group until a packet is received from the
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// server.
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synchronized (entries) {
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if (entries.contains(entry)) {
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RosterPacket packet = new RosterPacket();
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packet.setType(IQ.Type.SET);
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RosterPacket.Item item = RosterEntry.toRosterItem(entry);
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item.removeGroupName(this.getName());
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packet.addRosterItem(item);
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// Wait up to a certain number of seconds for a reply from the server.
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collector = connection
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.createPacketCollector(new PacketIDFilter(packet.getPacketID()));
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connection.sendPacket(packet);
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}
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}
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if (collector != null) {
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IQ response = (IQ) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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collector.cancel();
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if (response == null) {
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throw new XMPPException("No response from the server.");
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}
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// If the server replied with an error, throw an exception.
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else if (response.getType() == IQ.Type.ERROR) {
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throw new XMPPException(response.getError());
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}
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// Remove the entry locally since the server processed the request successfully
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removeEntryLocal(entry);
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}
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}
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void addEntryLocal(RosterEntry entry) {
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// Only add the entry if it isn't already in the list.
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synchronized (entries) {
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entries.remove(entry);
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entries.add(entry);
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}
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}
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void removeEntryLocal(RosterEntry entry) {
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// Only remove the entry if it's in the entry list.
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synchronized (entries) {
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if (entries.contains(entry)) {
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entries.remove(entry);
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}
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}
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}
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} |