com.alibaba.rocketmq.shade.io.netty.handler.ssl.SslHandshakeCompletionEvent Maven / Gradle / Ivy
/*
* Copyright 2013 The Netty Project
*
* The Netty Project licenses this file to you under the Apache License,
* version 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package io.netty.handler.ssl;
/**
* Event that is fired once the SSL handshake is complete, which may be because it was successful or there
* was an error.
*/
public final class SslHandshakeCompletionEvent {
public static final SslHandshakeCompletionEvent SUCCESS = new SslHandshakeCompletionEvent();
private final Throwable cause;
/**
* Creates a new event that indicates a successful handshake.
*/
private SslHandshakeCompletionEvent() {
cause = null;
}
/**
* Creates a new event that indicates an unsuccessful handshake.
* Use {@link #SUCCESS} to indicate a successful handshake.
*/
public SslHandshakeCompletionEvent(Throwable cause) {
if (cause == null) {
throw new NullPointerException("cause");
}
this.cause = cause;
}
/**
* Return {@code true} if the handshake was successful
*/
public boolean isSuccess() {
return cause == null;
}
/**
* Return the {@link Throwable} if {@link #isSuccess()} returns {@code false}
* and so the handshake failed.
*/
public Throwable cause() {
return cause;
}
@Override
public String toString() {
final Throwable cause = cause();
return cause == null? "SslHandshakeCompletionEvent(SUCCESS)" : "SslHandshakeCompletionEvent(" + cause + ')';
}
}