chris@1: /*
chris@1:  *   SONEWS News Server
chris@1:  *   see AUTHORS for the list of contributors
chris@1:  *
chris@1:  *   This program is free software: you can redistribute it and/or modify
chris@1:  *   it under the terms of the GNU General Public License as published by
chris@1:  *   the Free Software Foundation, either version 3 of the License, or
chris@1:  *   (at your option) any later version.
chris@1:  *
chris@1:  *   This program is distributed in the hope that it will be useful,
chris@1:  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1:  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@1:  *   GNU General Public License for more details.
chris@1:  *
chris@1:  *   You should have received a copy of the GNU General Public License
chris@1:  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@1:  */
chris@1: 
chris@1: package org.sonews.daemon.command;
chris@1: 
chris@1: import java.io.IOException;
chris@1: import java.nio.charset.Charset;
chris@1: import java.sql.SQLException;
chris@1: import org.sonews.daemon.NNTPConnection;
chris@1: import org.sonews.daemon.storage.Article;
chris@1: import org.sonews.daemon.storage.Group;
chris@1: 
chris@1: /**
chris@1:  * Base class for all command handling classes.
chris@1:  * @author Christian Lins
chris@1:  * @author Dennis Schwerdel
chris@1:  * @since n3tpd/0.1
chris@1:  */
chris@1: public abstract class AbstractCommand
chris@1: {
chris@1: 
chris@1:   protected NNTPConnection connection;
chris@1: 
chris@1:   public AbstractCommand(final NNTPConnection connection)
chris@1:   {
chris@1:     this.connection = connection;
chris@1:   }
chris@1: 
chris@1:   protected Article getCurrentArticle()
chris@1:   {
chris@1:     return connection.getCurrentArticle();
chris@1:   }
chris@1: 
chris@1:   protected Group getCurrentGroup()
chris@1:   {
chris@1:     return connection.getCurrentGroup();
chris@1:   }
chris@1: 
chris@1:   protected void setCurrentArticle(final Article current)
chris@1:   {
chris@1:     connection.setCurrentArticle(current);
chris@1:   }
chris@1: 
chris@1:   protected void setCurrentGroup(final Group current)
chris@1:   {
chris@1:     connection.setCurrentGroup(current);
chris@1:   }
chris@1:   
chris@1:   public abstract void processLine(String line)
chris@1:     throws IOException, SQLException;
chris@1:   
chris@1:   protected void println(final String line)
chris@1:     throws IOException
chris@1:   {
chris@1:     connection.println(line);
chris@1:   }
chris@1:   
chris@1:   protected void println(final String line, final Charset charset)
chris@1:     throws IOException
chris@1:   {
chris@1:     connection.println(line, charset);
chris@1:   }
chris@1:   
chris@1:   protected void printStatus(final int status, final String msg)
chris@1:     throws IOException
chris@1:   {
chris@1:     println(status + " " + msg);
chris@1:   }
chris@1:   
chris@1:   public abstract boolean hasFinished();
chris@1: 
chris@1: }