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20 package org.apache.mina.filter.util;
21
22 import org.apache.mina.common.IdleStatus;
23 import org.apache.mina.common.IoEventType;
24 import org.apache.mina.common.IoFilterAdapter;
25 import org.apache.mina.common.IoFilterEvent;
26 import org.apache.mina.common.IoSession;
27 import org.apache.mina.common.WriteRequest;
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31
32
33 public abstract class CommonEventFilter extends IoFilterAdapter {
34
35 public CommonEventFilter() {
36 }
37
38 protected abstract void filter(IoFilterEvent event) throws Exception;
39
40 @Override
41 public final void sessionCreated(NextFilter nextFilter, IoSession session) throws Exception {
42 filter(new IoFilterEvent(nextFilter, IoEventType.SESSION_CREATED, session, null));
43 }
44
45 @Override
46 public final void sessionOpened(NextFilter nextFilter, IoSession session) throws Exception {
47 filter(new IoFilterEvent(nextFilter, IoEventType.SESSION_OPENED, session, null));
48 }
49
50 @Override
51 public final void sessionClosed(NextFilter nextFilter, IoSession session) throws Exception {
52 filter(new IoFilterEvent(nextFilter, IoEventType.SESSION_CLOSED, session, null));
53 }
54
55 @Override
56 public final void sessionIdle(NextFilter nextFilter, IoSession session, IdleStatus status) throws Exception {
57 filter(new IoFilterEvent(nextFilter, IoEventType.SESSION_IDLE, session, status));
58 }
59
60 @Override
61 public final void exceptionCaught(NextFilter nextFilter, IoSession session, Throwable cause) throws Exception {
62 filter(new IoFilterEvent(nextFilter, IoEventType.EXCEPTION_CAUGHT, session, cause));
63 }
64
65 @Override
66 public final void messageReceived(NextFilter nextFilter, IoSession session, Object message) throws Exception {
67 filter(new IoFilterEvent(nextFilter, IoEventType.MESSAGE_RECEIVED, session, message));
68 }
69
70 @Override
71 public final void messageSent(NextFilter nextFilter, IoSession session, WriteRequest writeRequest) throws Exception {
72 filter(new IoFilterEvent(nextFilter, IoEventType.MESSAGE_SENT, session, writeRequest));
73 }
74
75 @Override
76 public final void filterWrite(NextFilter nextFilter, IoSession session, WriteRequest writeRequest) throws Exception {
77 filter(new IoFilterEvent(nextFilter, IoEventType.WRITE, session, writeRequest));
78 }
79
80 @Override
81 public final void filterClose(NextFilter nextFilter, IoSession session) throws Exception {
82 filter(new IoFilterEvent(nextFilter, IoEventType.CLOSE, session, null));
83 }
84 }