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/*
************************************************************************
******************* CANADIAN ASTRONOMY DATA CENTRE *******************
************** CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES **************
* (c) 2014. (c) 2014.
* Government of Canada Gouvernement du Canada
* National Research Council Conseil national de recherches
* Ottawa, Canada, K1A 0R6 Ottawa, Canada, K1A 0R6
* All rights reserved Tous droits réservés
* NRC disclaims any warranties, Le CNRC dénie toute garantie
* expressed, implied, or énoncée, implicite ou légale,
* statutory, of any kind with de quelque nature que ce
* respect to the software, soit, concernant le logiciel,
* including without limitation y compris sans restriction
* any warranty of merchantability toute garantie de valeur
* or fitness for a particular marchande ou de pertinence
* purpose. NRC shall not be pour un usage particulier.
* liable in any event for any Le CNRC ne pourra en aucun cas
* damages, whether direct or être tenu responsable de tout
* indirect, special or general, dommage, direct ou indirect,
* consequential or incidental, particulier ou général,
* arising from the use of the accessoire ou fortuit, résultant
* software. Neither the name de l'utilisation du logiciel. Ni
* of the National Research le nom du Conseil National de
* Council of Canada nor the Recherches du Canada ni les noms
* names of its contributors may de ses participants ne peuvent
* be used to endorse or promote être utilisés pour approuver ou
* products derived from this promouvoir les produits dérivés
* software without specific prior de ce logiciel sans autorisation
* written permission. préalable et particulière
* par écrit.
* This file is part of the Ce fichier fait partie du projet
* OpenCADC project. OpenCADC.
*
* OpenCADC is free software: OpenCADC est un logiciel libre ;
* you can redistribute it and/or vous pouvez le redistribuer ou le
* modify it under the terms of modifier suivant les termes de
* the GNU Affero General Public la “GNU Affero General Public
* License as published by the License” telle que publiée
* Free Software Foundation, par la Free Software Foundation
* either version 3 of the : soit la version 3 de cette
* License, or (at your option) licence, soit (à votre gré)
* any later version. toute version ultérieure.
*
* OpenCADC is distributed in the OpenCADC est distribué
* hope that it will be useful, dans l’espoir qu’il vous
* but WITHOUT ANY WARRANTY; sera utile, mais SANS AUCUNE
* without even the implied GARANTIE : sans même la garantie
* warranty of MERCHANTABILITY implicite de COMMERCIALISABILITÉ
* or FITNESS FOR A PARTICULAR ni d’ADÉQUATION À UN OBJECTIF
* PURPOSE. See the GNU Affero PARTICULIER. Consultez la Licence
* General Public License for Générale Publique GNU Affero
* more details. pour plus de détails.
*
* You should have received Vous devriez avoir reçu une
* a copy of the GNU Affero copie de la Licence Générale
* General Public License along Publique GNU Affero avec
* with OpenCADC. If not, see OpenCADC ; si ce n’est
* <http://www.gnu.org/licenses/>. pas le cas, consultez :
* <http://www.gnu.org/licenses/>.
*
* $Revision: 4 $
*
************************************************************************
*/
import java.util.Comparator;
import java.util.Date;
import java.util.TreeSet;
import javax.security.auth.x500.X500Principal;
import ca.nrc.cadc.auth.HttpPrincipal;
import ca.nrc.cadc.auth.PrincipalComparator;
private InternalID id;
private SortedSet<Principal> identities;
public PersonalDetails personalDetails;
public PosixDetails posixDetails;
public Date lastModified;
/**
* Applications can stash some extra stuff here.
*/
public Object appData;
public User()
{
PrincipalComparator p = new PrincipalComparator();
UserPrincipalComparator u = new UserPrincipalComparator(p);
this.identities = new TreeSet<Principal>(u);
}
public InternalID getID()
return id;
/**
* Obtain a set of identities whose type match the given one.
*
* @param identityClass The class to search on.
* @param <S> The Principal type.
* @return Set of matched identities, or empty Set.
* Never null.
*/
public <S extends Principal> Set<S> getIdentities(final Class<S> identityClass)
PrincipalComparator p = new PrincipalComparator();
UserPrincipalComparator u = new UserPrincipalComparator(p);
final Set<S> matchedIdentities = new TreeSet<S>(u);
for (final Principal principal : identities)
if (identityClass.isAssignableFrom(principal.getClass()))
matchedIdentities.add((S) principal);
}
}
return matchedIdentities;
}
public HttpPrincipal getHttpPrincipal()
{
Set<HttpPrincipal> identities = getIdentities(HttpPrincipal.class);
if (!identities.isEmpty())
{
return identities.iterator().next();
}
return null;
public X500Principal getX500Principal()
{
final Set<X500Principal> identities =
getIdentities(X500Principal.class);
if (!identities.isEmpty())
{
return identities.iterator().next();
}
return null;
/**
* A User is considered consistent if the User's set of identities are a superset
* of this Users set of identities.
*
public boolean isConsistent(final User superset)
if (this.identities.size() == 0 || superset.identities.size() == 0)
PrincipalComparator p = new PrincipalComparator();
TreeSet<Principal> set1 = new TreeSet<Principal>(p);
TreeSet<Principal> set2 = new TreeSet<Principal>(p);
set1.addAll(superset.getIdentities());
set2.addAll(this.getIdentities());
return set1.containsAll(set2);
* @see java.lang.Object#equals(java.lang.Object)
*/
@Override
public boolean equals(Object obj)
{
User user = (User) obj;
return (this.isConsistent(user) || user.isConsistent(this));
return false;
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
sb.append(getClass().getSimpleName());
sb.append("[");
if (id != null)
{
sb.append(id);
}
sb.append("]");
return sb.toString();
private class UserPrincipalComparator implements Comparator<Principal>
private PrincipalComparator p;
UserPrincipalComparator(PrincipalComparator p)
{
this.p = p;
}
@Override
public int compare(Principal o1, Principal o2)
{
throw new IllegalArgumentException("Cannot compare null objects");
if (o1 instanceof HttpPrincipal && o2 instanceof HttpPrincipal)