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20 package org.apache.mina.common.support;
21
22 import java.net.SocketAddress;
23 import java.util.Set;
24
25 import org.apache.mina.common.DefaultIoFilterChainBuilder;
26 import org.apache.mina.common.IoFilterChainBuilder;
27 import org.apache.mina.common.IoService;
28 import org.apache.mina.common.IoServiceListener;
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36 public abstract class BaseIoService implements IoService {
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40 private IoFilterChainBuilder filterChainBuilder = new DefaultIoFilterChainBuilder();
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45 private final IoServiceListenerSupport listeners;
46
47 protected BaseIoService() {
48 this.listeners = new IoServiceListenerSupport();
49 }
50
51 public IoFilterChainBuilder getFilterChainBuilder() {
52 return filterChainBuilder;
53 }
54
55 public void setFilterChainBuilder(IoFilterChainBuilder builder) {
56 if (builder == null) {
57 builder = new DefaultIoFilterChainBuilder();
58 }
59 filterChainBuilder = builder;
60 }
61
62 public DefaultIoFilterChainBuilder getFilterChain() {
63 if (filterChainBuilder instanceof DefaultIoFilterChainBuilder) {
64 return (DefaultIoFilterChainBuilder) filterChainBuilder;
65 } else {
66 throw new IllegalStateException(
67 "Current filter chain builder is not a DefaultIoFilterChainBuilder.");
68 }
69 }
70
71 public void addListener(IoServiceListener listener) {
72 getListeners().add(listener);
73 }
74
75 public void removeListener(IoServiceListener listener) {
76 getListeners().remove(listener);
77 }
78
79 public Set getManagedServiceAddresses() {
80 return getListeners().getManagedServiceAddresses();
81 }
82
83 public Set getManagedSessions(SocketAddress serviceAddress) {
84 return getListeners().getManagedSessions(serviceAddress);
85 }
86
87 public boolean isManaged(SocketAddress serviceAddress) {
88 return getListeners().isManaged(serviceAddress);
89 }
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91 protected IoServiceListenerSupport getListeners() {
92 return listeners;
93 }
94 }