sonews-drupal: org/sonews/daemon/command/StatCommand.java@6ae5e4f8329b

     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  */

    19 package org.sonews.daemon.command;

    21 import java.io.IOException;

    22 import org.sonews.storage.Article;

    23 import org.sonews.daemon.NNTPConnection;

    24 import org.sonews.storage.StorageBackendException;

    26 /**

    27  * Implementation of the STAT command.

    28  * @author Christian Lins

    29  * @since sonews/0.5.0

    30  */

    31 public class StatCommand implements Command

    32 {

    34   @Override

    35   public String[] getSupportedCommandStrings()

    36   {

    37     return new String[]{"STAT"};

    38   }

    40   @Override

    41   public boolean hasFinished()

    42   {

    43     return true;

    44   }

    46   @Override

    47   public String impliedCapability()

    48   {

    49     return null;

    50   }

    52   @Override

    53   public boolean isStateful()

    54   {

    55     return false;

    56   }

    58   // TODO: Method has various exit points => Refactor!

    59   @Override

    60   public void processLine(NNTPConnection conn, final String line, byte[] raw)

    61     throws IOException, StorageBackendException

    62   {

    63     final String[] command = line.split(" ");

    65     Article article = null;

    66     if(command.length == 1)

    67     {

    68       article = conn.getCurrentArticle();

    69       if(article == null)

    70       {

    71         conn.println("420 no current article has been selected");

    72         return;

    73       }

    74     }

    75     else if(command[1].matches(NNTPConnection.MESSAGE_ID_PATTERN))

    76     {

    77       // Message-ID

    78       article = Article.getByMessageID(command[1]);

    79       if (article == null)

    80       {

    81         conn.println("430 no such article found");

    82         return;

    83       }

    84     }

    85     else

    86     {

    87       // Message Number

    88       try

    89       {

    90         long aid = Long.parseLong(command[1]);

    91         article = conn.getCurrentChannel().getArticle(aid);

    92       }

    93       catch(NumberFormatException ex)

    94       {

    95         ex.printStackTrace();

    96       }

    97       catch(StorageBackendException ex)

    98       {

    99         ex.printStackTrace();

   100       }

   101       if (article == null)

   102       {

   103         conn.println("423 no such article number in this group");

   104         return;

   105       }

   106       conn.setCurrentArticle(article);

   107     }

   109     conn.println("223 " + conn.getCurrentChannel().getIndexOf(article) + " "

   110       + article.getMessageID()

   111       + " article retrieved - request text separately");

   112   }

   114 }

author	cli
	Mon Aug 24 13:00:05 2009 +0200 (2009-08-24)
changeset 20	6ae5e4f8329b
parent 3	2fdc9cc89502
permissions	-rw-r--r--