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    
020    package org.crsh.jcr;
021    
022    import org.apache.sshd.server.Command;
023    import org.crsh.cmdline.ClassDescriptor;
024    import org.crsh.cmdline.CommandFactory;
025    import org.crsh.cmdline.IntrospectionException;
026    import org.crsh.cmdline.matcher.CmdLineException;
027    import org.crsh.cmdline.matcher.CommandMatch;
028    import org.crsh.cmdline.matcher.Matcher;
029    import org.crsh.cmdline.matcher.Resolver;
030    import org.crsh.ssh.term.FailCommand;
031    import org.crsh.ssh.term.scp.CommandPlugin;
032    import org.crsh.ssh.term.scp.SCPAction;
033    
034    public class SCPCommandPlugin extends CommandPlugin {
035    
036      @Override
037      public Command createCommand(String command) {
038        //
039        if (command.startsWith("scp ")) {
040          try {
041            command = command.substring(4);
042            SCPAction action = new SCPAction();
043            ClassDescriptor<SCPAction> descriptor = CommandFactory.DEFAULT.create(SCPAction.class);
044            Matcher<SCPAction> analyzer = descriptor.matcher("main");
045            CommandMatch<SCPAction, ?, ?> match = analyzer.match(command);
046            match.invoke(Resolver.EMPTY, action);
047            if (Boolean.TRUE.equals(action.isSource())) {
048              return new SourceCommand(action.getTarget(), Boolean.TRUE.equals(action.isRecursive()));
049            }
050            else if (Boolean.TRUE.equals(action.isSink())) {
051              return new SinkCommand(action.getTarget(), Boolean.TRUE.equals(action.isRecursive()));
052            }
053            else {
054              return new FailCommand("Cannot execute command " + command);
055            }
056          }
057          catch (CmdLineException e) {
058            return new FailCommand("Cannot execute command " + command, e);
059          }
060          catch (IntrospectionException e) {
061            return new FailCommand("Cannot execute command " + command, e);
062          }
063        } else {
064          return new FailCommand("Cannot execute command " + command);
065        }
066      }
067    }