Example usage for java.util Collections EMPTY

Introduction

In this page you can find the example usage for java.util Collections EMPTY_SET.

Prototype

Set EMPTY_SET

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Document

The empty set (immutable).

Usage

From source file:org.forgerock.openam.examples.PwnedAuth.java

/**
 * Gets the user's AMIdentity from LDAP.
 *
 * @return The AMIdentity for the user./* w  w w  .j  a v  a 2s  .  c  o  m*/
 */
public AMIdentity getIdentity() {
    AMIdentity amIdentity = null;
    AMIdentityRepository amIdRepo = getAMIdentityRepository(getRequestOrg());

    IdSearchControl idsc = new IdSearchControl();
    idsc.setAllReturnAttributes(true);
    Set<AMIdentity> results = Collections.EMPTY_SET;

    try {
        idsc.setMaxResults(0);
        IdSearchResults searchResults = amIdRepo.searchIdentities(IdType.USER, userName, idsc);
        if (searchResults != null) {
            results = searchResults.getSearchResults();
        }

        if (results.isEmpty()) {
            debug.error("PwnedAuth.getIdentity() : User " + userName + " is not found");
        } else if (results.size() > 1) {
            debug.error("PwnedAuth.getIdentity() : More than one user found for the userName " + userName);
        } else {
            amIdentity = results.iterator().next();
        }

    } catch (IdRepoException e) {
        debug.error("PwnedAuth.getIdentity() : Error searching Identities with username : " + userName, e);
    } catch (SSOException e) {
        debug.error("PwnedAuth.getIdentity() : Module exception : ", e);
    }
    return amIdentity;
}

From source file:org.apache.jackrabbit.core.security.principal.DefaultPrincipalProvider.java

/**
 * Recursively collect all Group-principals the specified principal is
 * member of.//from w  w  w.  ja  v  a 2  s.  c o  m
 *
 * @param princ
 * @return all Group principals the specified <code>princ</code> is member of
 * including inherited membership.
 */
private Set collectGroupMembership(Principal princ, Set membership) {
    String princName = princ.getName();
    if (!hasPrincipal(princName)) {
        return Collections.EMPTY_SET;
    }
    try {
        Authorizable auth = userManager.getAuthorizable(princ);
        if (auth != null) {
            Iterator itr = auth.memberOf();
            while (itr.hasNext()) {
                Group group = (Group) itr.next();
                membership.add(group.getPrincipal());
            }
        } else {
            log.debug("Cannot find authorizable for principal " + princ.getName());
        }
    } catch (RepositoryException e) {
        log.warn("Failed to determine membership for " + princName, e.getMessage());
    }
    return membership;
}

From source file:pl.datamatica.traccar.api.providers.UserProvider.java

private void removeUserResources(User user) throws Exception {

    DeviceGroupProvider deviceGroupProvider = new DeviceGroupProvider(em, user);
    GeoFenceProvider geoProvider = new GeoFenceProvider(em);
    geoProvider.setRequestUser(user);// ww w  .ja  v  a  2  s.c om

    //users
    user.setManagedUsers(Collections.EMPTY_SET);
    em.persist(user);

    Query query = em.createQuery("SELECT u FROM User u WHERE u.managedBy = :manager");
    query.setParameter("manager", user);
    for (User us : (List<User>) query.getResultList()) {
        us.setManagedBy(requestUser);
        logger.info("{} became manager of {}", requestUser.getLogin(), us.getLogin());
    }

    // devices
    user.setDevices(Collections.EMPTY_SET);
    em.persist(user);

    query = em.createQuery("SELECT d FROM Device d WHERE d.owner = :owner");
    query.setParameter("owner", user);
    for (Device dev : (List<Device>) query.getResultList()) {
        dev.setOwner(requestUser);
        logger.info("{} became owner of {}(id={})", requestUser.getLogin(), dev.getName(), dev.getId());
    }
    em.flush();

    // tracks
    RouteProvider rp = new RouteProvider(em, user);
    query = em.createQuery("SELECT r FROM Route r wHERE r.owner = :owner");
    query.setParameter("owner", user);
    for (Route r : (List<Route>) query.getResultList())
        rp.forceDeleteRoute(r);

    // geofences
    query = em.createQuery("SELECT g FROM GeoFence g WHERE :user in elements(g.users)");
    query.setParameter("user", user);
    List<GeoFence> gfs = query.getResultList();
    for (GeoFence geo : gfs) {
        if (geo.getOwner() == user) {
            geo.setUsers(new HashSet<>());
            geo.setOwner(null);
            em.flush();
            em.remove(geo);
        } else {
            Set<User> us = geo.getUsers();
            us.remove(user);
            geo.setUsers(us);
        }
    }
    em.flush();

    // groups
    for (Group gr : user.getGroups()) {
        Set<User> us = gr.getUsers();
        if (us == null)
            continue;
        if (us.size() == 1) {
            deviceGroupProvider.hardRemoveGroup(gr);
        } else {
            us.remove(user);
            gr.setUsers(us);
        }
    }

    // RulesAcceptances
    query = em.createQuery("DELETE FROM RulesAcceptance a WHERE a.id.user = :user");
    query.setParameter("user", user);
    query.executeUpdate();

    //BleDevices
    query = em.createQuery("DELETE FROM BleDevice bd where bd.owner = :user");
    query.setParameter("user", user);
    query.executeUpdate();

    //UserEvent
    query = em.createQuery("DELETE FROM UserEvent ue where ue.user = :user");
    query.setParameter("user", user);
    query.executeUpdate();
}

From source file:com.netease.backend.collector.rss.common.util.UrlValidator.java

/**
 * Customizable constructor. Validation behavior is modifed by passing in options.
 * @param schemes the set of valid schemes
 * @param authorityValidator Regular expression validator used to validate the authority part
 * @param options Validation options. Set using the public constants of this class.
 * To set multiple options, simply add them together:
 * <p><code>ALLOW_2_SLASHES + NO_FRAGMENTS</code></p>
 * enables both of those options.//from   ww w.  ja  v  a  2  s.co m
 */
public UrlValidator(String[] schemes, RegexValidator authorityValidator, long options) {
    this.options = options;

    if (isOn(ALLOW_ALL_SCHEMES)) {
        this.allowedSchemes = Collections.EMPTY_SET;
    } else {
        if (schemes == null) {
            schemes = DEFAULT_SCHEMES;
        }
        this.allowedSchemes = new HashSet();
        this.allowedSchemes.addAll(Arrays.asList(schemes));
    }

    this.authorityValidator = authorityValidator;

}

From source file:net.sourceforge.fenixedu.domain.credits.util.AnnualTeachingCreditsByPeriodBean.java

public Set<TeacherServiceLog> getLogs() {
    final TeacherService teacherService = getTeacherService();
    return teacherService == null ? Collections.EMPTY_SET : teacherService.getSortedLogs();
}

From source file:org.opens.tgol.controller.SignUpControllerTest.java

private void setUpMockEmailSender() {
    mockEmailSender = createMock(EmailSender.class);
    Set<String> toUserList = new HashSet<String>();
    toUserList.add("to@user.com");
    mockEmailSender.sendEmail("from@user.com", toUserList, Collections.EMPTY_SET, StringUtils.EMPTY, "subject",
            "content");
    expectLastCall();/*from w w w.java2 s  .c o m*/
    replay(mockEmailSender);

    instance.setEmailSender(mockEmailSender);
}

From source file:org.asqatasun.webapp.controller.SignUpControllerTest.java

private void setUpMockEmailSender() {
    mockEmailSender = createMock(EmailSender.class);
    Set<String> toUserList = new HashSet();
    toUserList.add("to@user.com");
    mockEmailSender.sendEmail("from@user.com", toUserList, Collections.EMPTY_SET, StringUtils.EMPTY, "subject",
            "content");
    expectLastCall();//from  w  ww .j av  a2 s . com
    replay(mockEmailSender);

    instance.setEmailSender(mockEmailSender);
}

From source file:com.phoenixst.plexus.AbstractGraph.java

/**
 *  This implementation delegates to {@link #edges() edges()},
 *  except for when the specified <code>edgePredicate</code> is
 *  either {@link FalsePredicate#INSTANCE} or an instance of
 *  {@link EqualPredicate}.  These two cases are optimized.
 *///w  w w.  j a v  a  2s  . co m
public Collection edges(Predicate edgePredicate) {
    if (edgePredicate == null || edgePredicate == TruePredicate.INSTANCE) {
        return edges();
    } else if (edgePredicate == FalsePredicate.INSTANCE) {
        return Collections.EMPTY_SET;
    } else if (edgePredicate instanceof EqualPredicate) {
        Graph.Edge testEdge = (Graph.Edge) ((EqualPredicate) edgePredicate).getTestObject();
        if (!containsEdge(testEdge)) {
            return Collections.EMPTY_SET;
        }
        return new SingletonEdgeCollection(this, testEdge);
    } else {
        return new FilteredCollection(edges(), edgePredicate);
    }
}

From source file:fr.inria.atlanmod.instantiator.neoEMF.GenericMetamodelConfig.java

@SuppressWarnings("unchecked")
private Set<EClass> eSubtypesClosure(Map<EClass, Set<EClass>> eSubtypesMap, EClass eType) {
    Set<EClass> result = new LinkedHashSet<EClass>();
    if (!eSubtypesMap.containsKey(eType)) {
        return Collections.EMPTY_SET;
    } else {//  ww  w.  j av a2 s. com
        result.addAll(eSubtypesMap.get(eType));
        for (EClass eSubType : eSubtypesMap.get(eType)) {
            if (!eSubType.equals(eType))
                result.addAll(eSubtypesClosure(eSubtypesMap, eSubType));
        }
    }
    return result;
}

From source file:com.redhat.rhn.manager.monitoring.ModifyFilterCommand.java

private Set getCriteria() {
    Set result = filter.getCriteria();
    return (result == null) ? Collections.EMPTY_SET : result;
}

Example usage for java.util Collections EMPTY_SET

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