001    /*
002     * CDDL HEADER START
003     *
004     * The contents of this file are subject to the terms of the
005     * Common Development and Distribution License, Version 1.0 only
006     * (the "License").  You may not use this file except in compliance
007     * with the License.
008     *
009     * You can obtain a copy of the license at
010     * trunk/opends/resource/legal-notices/OpenDS.LICENSE
011     * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
012     * See the License for the specific language governing permissions
013     * and limitations under the License.
014     *
015     * When distributing Covered Code, include this CDDL HEADER in each
016     * file and include the License file at
017     * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
018     * add the following below this CDDL HEADER, with the fields enclosed
019     * by brackets "[]" replaced with your own identifying information:
020     *      Portions Copyright [yyyy] [name of copyright owner]
021     *
022     * CDDL HEADER END
023     *
024     *
025     *      Copyright 2008 Sun Microsystems, Inc.
026     */
027    package org.opends.server.admin.condition;
028    
029    
030    
031    import java.util.SortedSet;
032    
033    import org.opends.server.admin.AbstractManagedObjectDefinition;
034    import org.opends.server.admin.PropertyDefinition;
035    import org.opends.server.admin.client.AuthorizationException;
036    import org.opends.server.admin.client.CommunicationException;
037    import org.opends.server.admin.client.ManagedObject;
038    import org.opends.server.admin.client.ManagementContext;
039    import org.opends.server.admin.server.ServerManagedObject;
040    import org.opends.server.config.ConfigException;
041    import org.opends.server.util.Validator;
042    
043    
044    
045    /**
046     * A condition which evaluates to <code>true</code> if and only if a
047     * particular property has any values specified.
048     */
049    public final class IsPresentCondition implements Condition {
050    
051      // The property name.
052      private final String propertyName;
053    
054      // The property definition.
055      private PropertyDefinition<?> pd;
056    
057    
058    
059      /**
060       * Creates a new is present condition.
061       *
062       * @param propertyName
063       *          The property name.
064       */
065      public IsPresentCondition(String propertyName) {
066        Validator.ensureNotNull(propertyName);
067        this.propertyName = propertyName;
068      }
069    
070    
071    
072      /**
073       * {@inheritDoc}
074       */
075      public boolean evaluate(ManagementContext context,
076          ManagedObject<?> managedObject) throws AuthorizationException,
077          CommunicationException {
078        SortedSet<?> values = managedObject.getPropertyValues(pd);
079        return !values.isEmpty();
080      }
081    
082    
083    
084      /**
085       * {@inheritDoc}
086       */
087      public boolean evaluate(ServerManagedObject<?> managedObject)
088          throws ConfigException {
089        SortedSet<?> values = managedObject.getPropertyValues(pd);
090        return !values.isEmpty();
091      }
092    
093    
094    
095      /**
096       * {@inheritDoc}
097       */
098      public void initialize(AbstractManagedObjectDefinition<?, ?> d)
099          throws Exception {
100        // Decode the property.
101        this.pd = d.getPropertyDefinition(propertyName);
102      }
103    
104    }