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.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    public class SCPCommandFactory implements CommandFactory {
030    
031      /** . */
032      private static final Logger log = LoggerFactory.getLogger(SCPCommandFactory.class);
033    
034      /** . */
035      private final PluginContext pluginContext;
036    
037      public SCPCommandFactory(PluginContext pluginContext) {
038        this.pluginContext = pluginContext;
039      }
040    
041      public Command createCommand(String command) {
042        // Just in case
043        command = command.trim();
044    
045        //
046        log.debug("About to execute shell command " + command);
047    
048        for (CommandPlugin plugin : pluginContext.getPlugins(CommandPlugin.class)) {
049          Command cmd = plugin.createCommand(command);
050          if (cmd != null) {
051            return cmd;
052          }
053        }
054    
055        return new FailCommand("Unrecognized command " + command);
056      }
057    }