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
020package org.crsh.shell.impl.remoting;
021
022import org.crsh.keyboard.KeyHandler;
023import org.crsh.shell.ShellProcess;
024import org.crsh.shell.ShellProcessContext;
025
026public 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}