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19  
20  
21  
22  package org.apache.james.transport.mailets.listservcommands;
23  
24  import org.apache.avalon.framework.configuration.Configuration;
25  import org.apache.avalon.framework.configuration.ConfigurationException;
26  import org.apache.james.transport.mailets.ICommandListservManager;
27  import org.apache.mailet.Mail;
28  
29  import javax.mail.MessagingException;
30  
31  /**
32   * IListServCommand is the interface that all pluggable list serv commands must implement.
33   * The lifecycle of a IListServCommand will be controlled by the {@link ICommandListservManager}
34   *
35   * <br />
36   * <br />
37   * Requests sent to the CommandListservManager take the form of:
38   * <pre>
39   * &lt;listName&gt;-&lt;commandName&gt;@domain
40   * </pre>
41   * and if the commandName matches the command's name, then the {@link #onCommand} will be invoked.
42   *
43   * <br />
44   * <br />
45   * A typical command is configured:
46   * <pre>
47   * &lt;command name="subscribe" class="Subscribe"/&gt;
48   * </pre>
49   *
50   * <br />
51   * <br />
52   * Typically, IListServCommands will format some text to reply with based off of resource files
53   * and calls to {@link org.apache.james.util.XMLResources#getString(String)}
54   *
55   * This allows you to customize the messages sent by these commands by editing text files and not editing the javacode.
56   *
57   * @version CVS $Revision: 486089 $ $Date: 2006-12-12 10:42:07 +0000 (Tue, 12 Dec 2006) $
58   * @since 2.2.0
59   * @see ICommandListservManager
60   */
61  public interface IListServCommand {
62  
63      /**
64       * The name of this command
65       * specified by the 'name' parameter.
66       * eg:
67       * <pre>
68       * &lt;command name="subscribe" class="Subscribe"/&gt;
69       * </pre>
70       * @return the name of this command
71       */
72      public String getCommandName();
73  
74      /**
75       * Perform any required initialization
76       * @param configuration
77       * @throws ConfigurationException
78       */
79      public void init(ICommandListservManager commandListservManager, Configuration configuration) throws ConfigurationException;
80  
81      /**
82       * Process this command to your hearts content
83       * @param mail
84       * @throws MessagingException
85       */
86      public void onCommand(Mail mail) throws MessagingException;
87  }