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.command.impl;
021    
022    import org.crsh.command.CommandContext;
023    
024    import java.util.Map;
025    
026    /**
027     * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
028     * @version $Revision$
029     */
030    public class BaseCommandContext implements CommandContext {
031    
032      /** . */
033      private final Map<String, Object> attributes;
034    
035      public BaseCommandContext(Map<String, Object> attributes) {
036        this.attributes = attributes(attributes);
037      }
038    
039      /**
040       * Provide an opportunity to subclass to change the attribute map. This implementation returns the same
041       * object by default.
042       *
043       * @param attributes the original attributes
044       * @return the replaced attributes
045       */
046      protected Map<String, Object> attributes(Map<String, Object> attributes) {
047        return attributes;
048      }
049    
050      public final Map<String, Object> getAttributes() {
051        return attributes;
052      }
053    }