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/****************************************************************************
* Copyright (c) 2004 Composent, Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Composent, Inc. - initial API and implementation
*****************************************************************************/
package org.eclipse.ecf.presence.roster;
import java.util.*;
import org.eclipse.core.runtime.Assert;
import org.eclipse.ecf.core.user.IUser;
import org.eclipse.ecf.presence.IPresence;
/**
* Roster entry base class implementing {@link IRosterEntry}. Subclasses may be
* created as appropriate.
*
*/
public class RosterEntry extends RosterItem implements IRosterEntry {
protected IUser user;
protected IPresence presence;
protected List groups;
public RosterEntry(IRosterItem parent, IUser user, IPresence presenceState) {
Assert.isNotNull(parent);
Assert.isNotNull(user);
this.parent = parent;
this.user = user;
this.presence = presenceState;
this.groups = Collections.synchronizedList(new ArrayList());
if (parent instanceof RosterGroup) {
groups.add(parent);
((RosterGroup) parent).add(this);
}
}
public void setPresence(IPresence newPresence) {
this.presence = newPresence;
}
public String getName() {
return user.getName();
}
/* (non-Javadoc)
* @see java.lang.Object#equals(java.lang.Object)
*/
public boolean equals(Object obj) {
if (obj == null)
return false;
if (this == obj)
return true;
if (obj instanceof RosterEntry) {
RosterEntry re = (RosterEntry) obj;
return re.getUser().getID().equals(getUser().getID());
}
return false;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
public int hashCode() {
return getUser().getID().hashCode();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.presence.roster.IRosterEntry#add(org.eclipse.ecf.presence.roster.IRosterGroup)
*/
public boolean add(IRosterGroup group) {
if (group == null)
return false;
return groups.add(group);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.presence.roster.IRosterEntry#remove(org.eclipse.ecf.presence.roster.IRosterGroup)
*/
public boolean remove(IRosterGroup group) {
if (group == null)
return false;
return groups.remove(group);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.presence.roster.IRosterEntry#getUser()
*/
public IUser getUser() {
return user;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.ui.presence.IRosterEntry#getGroups()
*/
public Collection getGroups() {
return groups;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ecf.ui.presence.IRosterEntry#getPresenceState()
*/
public IPresence getPresence() {
return presence;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer sb = new StringBuffer("RosterEntry["); //$NON-NLS-1$
synchronized (sb) {
sb.append("name=").append(getName()).append(';'); //$NON-NLS-1$
sb.append("presence=").append(presence).append(';'); //$NON-NLS-1$
sb.append("groups="); //$NON-NLS-1$
if (!groups.isEmpty()) {
for (int i = 0; i < groups.size(); i++) {
sb.append(((IRosterGroup) groups.get(i)).getName());
if (i < (groups.size() - 1))
sb.append(',');
}
}
sb.append(']');
}
return sb.toString();
}
}
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