/*

  *   StarOffice News Server

  *   see AUTHORS for the list of contributors

  *

  *   This program is free software: you can redistribute it and/or modify

  *   it under the terms of the GNU General Public License as published by

  *   the Free Software Foundation, either version 3 of the License, or

  *   (at your option) any later version.

  *

  *   This program is distributed in the hope that it will be useful,

  *   but WITHOUT ANY WARRANTY; without even the implied warranty of

  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  *   GNU General Public License for more details.

  *

  *   You should have received a copy of the GNU General Public License

  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.

  */

 package com.so.news.command;

 import java.io.IOException;

 import java.util.List;

 import com.so.news.NNTPConnection;

 import com.so.news.storage.Article;

 import com.so.news.storage.Group;

 /**

  * Base class for all command handling classes.

  * @author Christian Lins

  * @author Dennis Schwerdel

  */

 public abstract class Command

 {

   protected NNTPConnection connection;

   public Command(NNTPConnection connection)

   {

     this.connection = connection;

   }

   protected static String NEWLINE = NNTPConnection.NEWLINE;

   protected List<String> readText() 

     throws IOException

   {

     return connection.readText();

   }

   protected String readTextLine() throws IOException

   {

     return connection.readTextLine();

   }

   protected void printStatus(int status, String text) throws IOException

   {

     connection.printStatus(status, text);

   }

   protected void printTextLine(CharSequence text) throws IOException

   {

     connection.printTextLine(text);

   }

   protected void printTextPart(CharSequence text) throws IOException

   {

     connection.printTextPart(text);

   }

   protected void printText(CharSequence text) throws IOException

   {

     connection.printText(text);

   }

   protected void println(CharSequence text) throws IOException

   {

     connection.println(text);

   }

   protected void flush() throws IOException

   {

     connection.flush();

   }

   protected Article getCurrentArticle()

   {

     return connection.getCurrentArticle();

   }

   protected Group getCurrentGroup()

   {

     return connection.getCurrentGroup();

   }

   protected void setCurrentArticle(Article current)

   {

     connection.setCurrentArticle(current);

   }

   protected void setCurrentGroup(Group current)

   {

     connection.setCurrentGroup(current);

   }

   public abstract boolean process(String[] command)

     throws Exception;

 }