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.shell.impl.remoting;
021    
022    import org.crsh.console.KeyHandler;
023    import org.crsh.shell.ShellProcess;
024    import org.crsh.shell.ShellProcessContext;
025    
026    public class ServerProcess implements ShellProcess {
027    
028      /** . */
029      final ServerAutomaton server;
030    
031      /** . */
032      final String line;
033    
034      /** . */
035      private int status;
036    
037      ServerProcess(ServerAutomaton server, String line) {
038        this.server = server;
039        this.line = line;
040        this.status = 0;
041      }
042    
043      public void execute(ShellProcessContext processContext) throws IllegalStateException {
044        if (status != 0) {
045          throw new IllegalStateException();
046        }
047        status = 1;
048        try {
049          server.execute(this, processContext);
050        }
051        finally {
052          status = 2;
053        }
054      }
055    
056      @Override
057      public KeyHandler getKeyHandler() {
058        throw new UnsupportedOperationException("Not yet implemented");
059      }
060    
061      public void cancel() {
062        switch (status) {
063          case 0:
064            throw new IllegalStateException();
065          case 1:
066            server.cancel(this);
067            break;
068        }
069      }
070    }