001 /* 002 * Copyright (C) 2010 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; 021 022 /** 023 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a> 024 * @version $Revision$ 025 */ 026 abstract class Token { 027 028 public abstract String toString(); 029 030 public static Token EOF = new Token(){ 031 @Override 032 public String toString() { 033 return "EOF"; 034 } 035 }; 036 037 public static Token PLUS = new Token(){ 038 @Override 039 public String toString() { 040 return "PLUS"; 041 } 042 }; 043 044 public static Token PIPE = new Token(){ 045 @Override 046 public String toString() { 047 return "PIPE"; 048 } 049 }; 050 051 public static class Command extends Token { 052 053 /** . */ 054 final String line; 055 056 public Command(String line) { 057 this.line = line; 058 } 059 060 @Override 061 public String toString() { 062 return "Command[" + line + "]"; 063 } 064 } 065 }