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.command; 021 022 import org.crsh.shell.impl.command.spi.CommandException; 023 import org.crsh.shell.impl.command.spi.CommandInvoker; 024 025 import java.io.IOException; 026 import java.util.logging.Logger; 027 028 public abstract class BaseCommand extends AbstractCommand { 029 030 /** Need to find a way to make not that public. */ 031 public final Logger log = Logger.getLogger(getClass().getName()); 032 033 /** The unmatched text, only valid during an invocation - Need to find a way to make not that public. */ 034 public String unmatched; 035 036 protected BaseCommand() { 037 this.unmatched = null; 038 } 039 040 protected final String readLine(String msg) throws IOException, InterruptedException { 041 return readLine(msg, true); 042 } 043 044 protected final String readLine(String msg, boolean echo) throws IOException, InterruptedException { 045 if (context instanceof InvocationContext) { 046 return ((InvocationContext)context).readLine(msg, echo); 047 } else { 048 throw new IllegalStateException("Cannot invoke read line without an invocation context"); 049 } 050 } 051 052 public final String getUnmatched() { 053 return unmatched; 054 } 055 056 057 public final void execute(String s) throws IOException, CommandException { 058 InvocationContext<?> context = peekContext(); 059 CommandInvoker invoker = context.resolve(s); 060 invoker.open(context); 061 invoker.flush(); 062 invoker.close(); 063 } 064 }