001    /*
002     * Copyright (C) 2010 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    
020    package org.crsh.plugin;
021    
022    /**
023     * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
024     * @version $Revision$
025     */
026    public class Property<T> {
027    
028      /** . */
029      private final PropertyDescriptor<T> desc;
030    
031      /** . */
032      private final T value;
033    
034      public Property(PropertyDescriptor<T> desc, T value) {
035        if (desc == null) {
036          throw new NullPointerException();
037        }
038        if (value == null) {
039          throw new NullPointerException();
040        }
041        if (!desc.type.isInstance(value)) {
042          throw new IllegalArgumentException("Property value is not of correct type " + desc.type);
043        }
044    
045        //
046        this.desc = desc;
047        this.value = value;
048      }
049    
050      public PropertyDescriptor getDescriptor() {
051        return desc;
052      }
053    
054      public T getValue() {
055        return value;
056      }
057    }