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    package org.crsh.lang;
020    
021    import org.crsh.command.NoSuchCommandException;
022    import org.crsh.command.ShellCommand;
023    import org.crsh.lang.groovy.shell.GroovyCommandManager;
024    import org.crsh.plugin.PluginContext;
025    
026    import java.util.HashMap;
027    
028    /** @author Julien Viet */
029    public abstract class CommandManager {
030    
031      public static CommandManager create(PluginContext context) {
032        return new GroovyCommandManager(context);
033      }
034    
035      public abstract ShellCommand getCommand(String name) throws NoSuchCommandException, NullPointerException;
036    
037      public abstract void init(HashMap<String, Object> session);
038    
039      public abstract void destroy(HashMap<String, Object> session);
040    
041      public abstract String doCallBack(HashMap<String, Object> session, String name, String defaultValue);
042    
043    }