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;
020    
021    import org.apache.sshd.server.Environment;
022    
023    import java.io.IOException;
024    import java.security.Principal;
025    
026    public class CRaSHCommand extends AbstractCommand implements Runnable {
027    
028      /** . */
029      private final CRaSHCommandFactory factory;
030    
031      /** . */
032      private Thread thread;
033    
034      public CRaSHCommand(CRaSHCommandFactory factory) {
035        this.factory = factory;
036      }
037    
038      /** . */
039      private SSHContext context;
040    
041      /** . */
042      private SSHIO io;
043    
044      public void start(Environment env) throws IOException {
045    
046        //
047        context = new SSHContext(env);
048        io = new SSHIO(this);
049    
050        //
051        thread = new Thread(this, "CRaSH");
052        thread.start();
053      }
054    
055      public SSHContext getContext() {
056        return context;
057      }
058    
059      public void destroy() {
060        io.closed.set(true);
061        thread.interrupt();
062      }
063    
064      public void run() {
065        try {
066          final String userName = session.getAttribute(SSHLifeCycle.USERNAME);
067          Principal user = new Principal() {
068            public String getName() {
069              return userName;
070            }
071          };
072          factory.handler.handle(io, user);
073        } finally {
074          callback.onExit(0);
075        }
076      }
077    }
078    
079