package org.jivesoftware.smack; import org.jivesoftware.smack.packet.RosterPacket; import org.jivesoftware.smack.packet.IQ; import java.util.*; /** * Each user in your roster is represented by a roster entry, which contains the user's * JID and a name or nickname you assign. * * @author Matt Tucker */ public class RosterEntry { private String user; private String name; private RosterPacket.ItemType type; private XMPPConnection connection; /** * Creates a new roster entry. * * @param user the user. * @param name the nickname for the entry. * @param type the subscription type. * @param connection a connection to the XMPP server. */ RosterEntry(String user, String name, RosterPacket.ItemType type, XMPPConnection connection) { this.user = user; this.name = name; this.type = type; this.connection = connection; } /** * Returns the JID of the user associated with this entry. * * @return the user associated with this entry. */ public String getUser() { return user; } /** * Returns the name associated with this entry. * * @return the name. */ public String getName() { return name; } /** * Sets the name associated with this entry. * * @param name the name. */ public void setName(String name) { // Do nothing if the name hasn't changed. if (name != null && name.equals(this.name)) { return; } this.name = name; RosterPacket packet = new RosterPacket(); packet.setType(IQ.Type.SET); packet.addRosterItem(toRosterItem(this)); connection.sendPacket(packet); } /** * Returns an iterator for all the roster groups that this entry belongs to. * * @return an iterator for the groups this entry belongs to. */ public Iterator getGroups() { List results = new ArrayList(); // Loop through all roster groups and find the ones that contain this // entry. This algorithm should be fine for (Iterator i=connection.roster.getGroups(); i.hasNext(); ) { RosterGroup group = (RosterGroup)i.next(); if (group.contains(this)) { results.add(group); } } return results.iterator(); } /** * Returns the roster subscription type of the entry. When the type is * RosterPacket.ItemType.NONE, the subscription request is pending. * * @return the type. */ public RosterPacket.ItemType getType() { return type; } public String toString() { StringBuffer buf = new StringBuffer(); buf.append(user); Iterator groups = getGroups(); if (groups.hasNext()) { buf.append(" ["); RosterGroup group = (RosterGroup)groups.next(); buf.append(group.getName()); while (groups.hasNext()) { buf.append(", "); group = (RosterGroup)groups.next(); buf.append(group.getName()); } buf.append("]"); } return buf.toString(); } public boolean equals(Object object) { if (this == object) { return true; } if (object != null && object instanceof RosterEntry) { return user.equals(((RosterEntry)object).getUser()); } else { return false; } } static RosterPacket.Item toRosterItem(RosterEntry entry) { RosterPacket.Item item = new RosterPacket.Item(entry.getUser(), entry.getName()); item.setItemType(entry.getType()); // Set the correct group names for the item. for (Iterator j=entry.getGroups(); j.hasNext(); ) { RosterGroup group = (RosterGroup)j.next(); item.addGroupName(group.getName()); } return item; } }