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.command;
021
022 abstract class Token {
023
024 public abstract String toString();
025
026 public static Token EOF = new Token(){
027 @Override
028 public String toString() {
029 return "EOF";
030 }
031 };
032
033 public static Token PIPE = new Token(){
034 @Override
035 public String toString() {
036 return "PIPE";
037 }
038 };
039
040 public static class Command extends Token {
041
042 /** . */
043 final String line;
044
045 public Command(String line) {
046 this.line = line;
047 }
048
049 @Override
050 public String toString() {
051 return "Command[" + line + "]";
052 }
053 }
054 }