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16 package io.netty.handler.ssl;
17
18 import javax.net.ssl.SSLEngine;
19 import java.util.Collections;
20 import java.util.List;
21
22 import static io.netty.handler.ssl.ApplicationProtocolUtil.*;
23 import static io.netty.util.internal.ObjectUtil.*;
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28 public final class ApplicationProtocolConfig {
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33 public static final ApplicationProtocolConfig DISABLED = new ApplicationProtocolConfig();
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35 private final List<String> supportedProtocols;
36 private final Protocol protocol;
37 private final SelectorFailureBehavior selectorBehavior;
38 private final SelectedListenerFailureBehavior selectedBehavior;
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47 public ApplicationProtocolConfig(Protocol protocol, SelectorFailureBehavior selectorBehavior,
48 SelectedListenerFailureBehavior selectedBehavior, Iterable<String> supportedProtocols) {
49 this(protocol, selectorBehavior, selectedBehavior, toList(supportedProtocols));
50 }
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59 public ApplicationProtocolConfig(Protocol protocol, SelectorFailureBehavior selectorBehavior,
60 SelectedListenerFailureBehavior selectedBehavior, String... supportedProtocols) {
61 this(protocol, selectorBehavior, selectedBehavior, toList(supportedProtocols));
62 }
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71 private ApplicationProtocolConfig(
72 Protocol protocol, SelectorFailureBehavior selectorBehavior,
73 SelectedListenerFailureBehavior selectedBehavior, List<String> supportedProtocols) {
74 this.supportedProtocols = Collections.unmodifiableList(checkNotNull(supportedProtocols, "supportedProtocols"));
75 this.protocol = checkNotNull(protocol, "protocol");
76 this.selectorBehavior = checkNotNull(selectorBehavior, "selectorBehavior");
77 this.selectedBehavior = checkNotNull(selectedBehavior, "selectedBehavior");
78
79 if (protocol == Protocol.NONE) {
80 throw new IllegalArgumentException("protocol (" + Protocol.NONE + ") must not be " + Protocol.NONE + '.');
81 }
82 }
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87 private ApplicationProtocolConfig() {
88 supportedProtocols = Collections.emptyList();
89 protocol = Protocol.NONE;
90 selectorBehavior = SelectorFailureBehavior.CHOOSE_MY_LAST_PROTOCOL;
91 selectedBehavior = SelectedListenerFailureBehavior.ACCEPT;
92 }
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97 public enum Protocol {
98 NONE, NPN, ALPN, NPN_AND_ALPN
99 }
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104 public enum SelectorFailureBehavior {
105 FATAL_ALERT, NO_ADVERTISE, CHOOSE_MY_LAST_PROTOCOL
106 }
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111 public enum SelectedListenerFailureBehavior {
112 ACCEPT, FATAL_ALERT, CHOOSE_MY_LAST_PROTOCOL
113 }
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118 public List<String> supportedProtocols() {
119 return supportedProtocols;
120 }
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125 public Protocol protocol() {
126 return protocol;
127 }
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132 public SelectorFailureBehavior selectorFailureBehavior() {
133 return selectorBehavior;
134 }
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139 public SelectedListenerFailureBehavior selectedListenerFailureBehavior() {
140 return selectedBehavior;
141 }
142 }