io.netty.handler.ssl.SslCompletionEvent Maven / Gradle / Ivy
/*
* Copyright 2017 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:
*
* https://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;
import io.netty.util.internal.ObjectUtil;
public abstract class SslCompletionEvent {
private final Throwable cause;
SslCompletionEvent() {
cause = null;
}
SslCompletionEvent(Throwable cause) {
this.cause = ObjectUtil.checkNotNull(cause, "cause");
}
/**
* Return {@code true} if the completion was successful
*/
public final boolean isSuccess() {
return cause == null;
}
/**
* Return the {@link Throwable} if {@link #isSuccess()} returns {@code false}
* and so the completion failed.
*/
public final Throwable cause() {
return cause;
}
@Override
public String toString() {
final Throwable cause = cause();
return cause == null? getClass().getSimpleName() + "(SUCCESS)" :
getClass().getSimpleName() + '(' + cause + ')';
}
}