001/*
002 * Copyright (C) 2012 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
020package org.crsh.plugin;
021
022public class Property<T> {
023
024  /** . */
025  private final PropertyDescriptor<T> desc;
026
027  /** . */
028  private final T value;
029
030  public Property(PropertyDescriptor<T> desc, T value) {
031    if (desc == null) {
032      throw new NullPointerException();
033    }
034    if (value == null) {
035      throw new NullPointerException();
036    }
037    if (!desc.type.isInstance(value)) {
038      throw new IllegalArgumentException("Property value is not of correct type " + desc.type);
039    }
040
041    //
042    this.desc = desc;
043    this.value = value;
044  }
045
046  public PropertyDescriptor<T> getDescriptor() {
047    return desc;
048  }
049
050  public T getValue() {
051    return value;
052  }
053
054  /**
055   * @return the value formatted as a String, if the property descriptor is secret, the effective value will not
056   *         be releaved
057   */
058  public String getDisplayValue() {
059    return desc.secret ? "*****" : String.valueOf(value);
060  }
061}