MessageHandler


1   package org.lateralnz.messaging;
2   
3   import java.io.IOException  ;
4   
5   public interface MessageHandler {
6   
7    /**
8     * add a message listener to this handler.
9     * @param group the group of messages that a listener is interested in receiving
10    * @param listener the message listener object
11    */
12    public void addListener(String   group, MessageListener listener);
13   
14   /**
15    * returns whether transmission will be allowed for a group based upon the
16    * allowed/disallowed regular expressions.
17    * @param group the group to test
18    */
19    public boolean willTransmit(String   group);
20    
21   /**
22    * send a message
23    * @param msg the message object to send
24    */
25    public void send(Message msg) throws IOException  ;
26    
27   /**
28    * a regular expression describing the group(s) that are allowed to send messages.
29    * A priority is also included which, if higher than the disallowed ex
30    * @param regex a regular expression
31    * @param priority what priority the allowed expression has over the disallowed group
32    */
33    public void setAllowedGroupRegex(String   regex, int priority);
34    
35   /**
36    * a regular expression describing the group(s) that are -not- allowed to send messages
37    * @param regex a regular expression
38    * @param priority what priority the disallowed expression has over the allowed group
39    */
40    public void setDisallowedGroupRegex(String   regex, int priority);
41    
42  }
43

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags