org/sonews/daemon/command/AbstractCommand.java
author chris <chris@marvin>
Wed, 01 Jul 2009 10:48:22 +0200
changeset 2 1090e2141798
parent 1 6fceb66e1ad7
permissions -rw-r--r--
sonews/0.5.1 fixes merged
     1 /*
     2  *   SONEWS News Server
     3  *   see AUTHORS for the list of contributors
     4  *
     5  *   This program is free software: you can redistribute it and/or modify
     6  *   it under the terms of the GNU General Public License as published by
     7  *   the Free Software Foundation, either version 3 of the License, or
     8  *   (at your option) any later version.
     9  *
    10  *   This program is distributed in the hope that it will be useful,
    11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  *   GNU General Public License for more details.
    14  *
    15  *   You should have received a copy of the GNU General Public License
    16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  */
    18 
    19 package org.sonews.daemon.command;
    20 
    21 import java.io.IOException;
    22 import java.nio.charset.Charset;
    23 import java.sql.SQLException;
    24 import org.sonews.daemon.NNTPConnection;
    25 import org.sonews.daemon.storage.Article;
    26 import org.sonews.daemon.storage.Group;
    27 
    28 /**
    29  * Base class for all command handling classes.
    30  * @author Christian Lins
    31  * @author Dennis Schwerdel
    32  * @since n3tpd/0.1
    33  */
    34 public abstract class AbstractCommand
    35 {
    36 
    37   protected NNTPConnection connection;
    38 
    39   public AbstractCommand(final NNTPConnection connection)
    40   {
    41     this.connection = connection;
    42   }
    43 
    44   protected Article getCurrentArticle()
    45   {
    46     return connection.getCurrentArticle();
    47   }
    48 
    49   protected Group getCurrentGroup()
    50   {
    51     return connection.getCurrentGroup();
    52   }
    53 
    54   protected void setCurrentArticle(final Article current)
    55   {
    56     connection.setCurrentArticle(current);
    57   }
    58 
    59   protected void setCurrentGroup(final Group current)
    60   {
    61     connection.setCurrentGroup(current);
    62   }
    63   
    64   public abstract void processLine(String line)
    65     throws IOException, SQLException;
    66   
    67   protected void println(final String line)
    68     throws IOException
    69   {
    70     connection.println(line);
    71   }
    72   
    73   protected void println(final String line, final Charset charset)
    74     throws IOException
    75   {
    76     connection.println(line, charset);
    77   }
    78   
    79   protected void printStatus(final int status, final String msg)
    80     throws IOException
    81   {
    82     println(status + " " + msg);
    83   }
    84   
    85   public abstract boolean hasFinished();
    86 
    87 }