001    /*
002     * Copyright (C) 2003-2009 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.ssh.term.scp;
020    
021    import org.apache.sshd.server.Command;
022    import org.apache.sshd.server.CommandFactory;
023    import org.crsh.plugin.CRaSHPlugin;
024    import org.crsh.plugin.PluginContext;
025    import org.crsh.ssh.term.FailCommand;
026    import org.slf4j.Logger;
027    import org.slf4j.LoggerFactory;
028    
029    /**
030     * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
031     * @version $Revision$
032     */
033    public class SCPCommandFactory implements CommandFactory {
034    
035      /** . */
036      private static final Logger log = LoggerFactory.getLogger(SCPCommandFactory.class);
037    
038      /** . */
039      private final PluginContext pluginContext;
040    
041      public SCPCommandFactory(PluginContext pluginContext) {
042        this.pluginContext = pluginContext;
043      }
044    
045      public Command createCommand(String command) {
046        // Just in case
047        command = command.trim();
048    
049        //
050        log.debug("About to execute shell command " + command);
051    
052        for (CommandPlugin plugin : pluginContext.getPlugins(CommandPlugin.class)) {
053          Command cmd = plugin.createCommand(command);
054          if (cmd != null) {
055            return cmd;
056          }
057        }
058    
059        return new FailCommand("Unrecognized command " + command);
060      }
061    }