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5a57e2390a
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@6616 b35dd754-fafc-0310-a699-88a17e54d16e
295 lines
No EOL
7.7 KiB
Java
295 lines
No EOL
7.7 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.packet;
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import org.jivesoftware.smack.util.StringUtils;
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import java.util.*;
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import java.util.concurrent.CopyOnWriteArraySet;
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/**
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* Represents XMPP roster packets.
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*
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* @author Matt Tucker
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*/
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public class RosterPacket extends IQ {
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private final List<Item> rosterItems = new ArrayList<Item>();
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/**
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* Adds a roster item to the packet.
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*
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* @param item a roster item.
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*/
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public void addRosterItem(Item item) {
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synchronized (rosterItems) {
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rosterItems.add(item);
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}
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}
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/**
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* Returns the number of roster items in this roster packet.
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*
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* @return the number of roster items.
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*/
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public int getRosterItemCount() {
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synchronized (rosterItems) {
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return rosterItems.size();
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}
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}
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/**
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* Returns an unmodifiable collection for the roster items in the packet.
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*
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* @return an unmodifiable collection for the roster items in the packet.
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*/
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public Collection<Item> getRosterItems() {
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synchronized (rosterItems) {
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return Collections.unmodifiableList(new ArrayList<Item>(rosterItems));
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}
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}
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public String getChildElementXML() {
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StringBuilder buf = new StringBuilder();
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buf.append("<query xmlns=\"jabber:iq:roster\">");
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synchronized (rosterItems) {
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for (Item entry : rosterItems) {
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buf.append(entry.toXML());
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}
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}
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buf.append("</query>");
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return buf.toString();
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}
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/**
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* A roster item, which consists of a JID, their name, the type of subscription, and
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* the groups the roster item belongs to.
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*/
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public static class Item {
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private String user;
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private String name;
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private ItemType itemType;
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private ItemStatus itemStatus;
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private final Set<String> groupNames;
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/**
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* Creates a new roster item.
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*
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* @param user the user.
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* @param name the user's name.
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*/
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public Item(String user, String name) {
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this.user = user.toLowerCase();
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this.name = name;
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itemType = null;
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itemStatus = null;
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groupNames = new CopyOnWriteArraySet<String>();
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}
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/**
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* Returns the user.
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*
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* @return the user.
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*/
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public String getUser() {
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return user;
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}
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/**
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* Returns the user's name.
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*
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* @return the user's name.
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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 user's name.
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*
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* @param name the user's name.
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*/
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public void setName(String name) {
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this.name = name;
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}
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/**
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* Returns the roster item type.
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*
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* @return the roster item type.
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*/
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public ItemType getItemType() {
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return itemType;
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}
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/**
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* Sets the roster item type.
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*
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* @param itemType the roster item type.
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*/
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public void setItemType(ItemType itemType) {
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this.itemType = itemType;
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}
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/**
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* Returns the roster item status.
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*
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* @return the roster item status.
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*/
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public ItemStatus getItemStatus() {
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return itemStatus;
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}
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/**
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* Sets the roster item status.
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*
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* @param itemStatus the roster item status.
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*/
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public void setItemStatus(ItemStatus itemStatus) {
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this.itemStatus = itemStatus;
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}
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/**
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* Returns an unmodifiable set of the group names that the roster item
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* belongs to.
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*
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* @return an unmodifiable set of the group names.
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*/
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public Set<String> getGroupNames() {
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return Collections.unmodifiableSet(groupNames);
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}
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/**
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* Adds a group name.
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*
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* @param groupName the group name.
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*/
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public void addGroupName(String groupName) {
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groupNames.add(groupName);
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}
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/**
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* Removes a group name.
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*
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* @param groupName the group name.
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*/
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public void removeGroupName(String groupName) {
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groupNames.remove(groupName);
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}
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public String toXML() {
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StringBuilder buf = new StringBuilder();
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buf.append("<item jid=\"").append(user).append("\"");
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if (name != null) {
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buf.append(" name=\"").append(StringUtils.escapeForXML(name)).append("\"");
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}
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if (itemType != null) {
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buf.append(" subscription=\"").append(itemType).append("\"");
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}
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if (itemStatus != null) {
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buf.append(" ask=\"").append(itemStatus).append("\"");
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}
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buf.append(">");
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for (String groupName : groupNames) {
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buf.append("<group>").append(StringUtils.escapeForXML(groupName)).append("</group>");
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}
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buf.append("</item>");
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return buf.toString();
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}
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}
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/**
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* The subscription status of a roster item. An optional element that indicates
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* the subscription status if a change request is pending.
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*/
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public static class ItemStatus {
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/**
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* Request to subcribe.
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*/
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public static final ItemStatus SUBSCRIPTION_PENDING = new ItemStatus("subscribe");
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/**
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* Request to unsubscribe.
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*/
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public static final ItemStatus UNSUBCRIPTION_PENDING = new ItemStatus("unsubscribe");
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public static ItemStatus fromString(String value) {
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if (value == null) {
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return null;
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}
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value = value.toLowerCase();
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if ("unsubscribe".equals(value)) {
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return SUBSCRIPTION_PENDING;
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}
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else if ("subscribe".equals(value)) {
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return SUBSCRIPTION_PENDING;
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}
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else {
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return null;
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}
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}
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private String value;
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/**
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* Returns the item status associated with the specified string.
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*
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* @param value the item status.
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*/
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private ItemStatus(String value) {
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this.value = value;
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}
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public String toString() {
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return value;
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}
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}
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public static enum ItemType {
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/**
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* The user and subscriber have no interest in each other's presence.
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*/
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none,
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/**
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* The user is interested in receiving presence updates from the subscriber.
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*/
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to,
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/**
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* The subscriber is interested in receiving presence updates from the user.
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*/
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from,
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/**
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* The user and subscriber have a mutual interest in each other's presence.
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*/
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both,
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/**
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* The user wishes to stop receiving presence updates from the subscriber.
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*/
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remove
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}
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} |