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.term.console;
021    
022    import java.io.IOException;
023    
024    /**
025     * The console writer controls the output as seen by the client of the console.
026     * It never changes the console internal state.
027     *
028     * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
029     * @version $Revision$
030     */
031    public abstract class ConsoleWriter {
032    
033      /**
034       * Write a char sequence to the output.
035       *
036       * @param s the char sequence
037       * @throws IOException any io exception
038       */
039      public abstract void write(CharSequence s) throws IOException;
040    
041      /**
042       * Write a single char to the output.
043       *
044       * @param c the char to write
045       * @throws IOException any io exception
046       */
047      public abstract void write(char c) throws IOException;
048    
049    }