io.undertow.websockets.jsr.SendHandlerAdapter Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.undertow.websockets.jsr;
import io.undertow.websockets.core.WebSocketCallback;
import io.undertow.websockets.core.WebSocketChannel;
import javax.websocket.SendHandler;
import javax.websocket.SendResult;
/**
* {@link WebSocketCallback} implementation which will notify a wrapped {@link SendHandler} once a send operation
* completes.
*
* @author Norman Maurer
*/
final class SendHandlerAdapter implements WebSocketCallback {
private final SendHandler handler;
private static final SendResult OK = new SendResult();
private volatile boolean done;
SendHandlerAdapter(SendHandler handler) {
this.handler = handler;
}
@Override
public void complete(WebSocketChannel channel, Void context) {
if(done) {
return;
}
done = true;
handler.onResult(new SendResult());
}
@Override
public void onError(WebSocketChannel channel, Void context, Throwable throwable) {
if(done) {
return;
}
done = true;
handler.onResult(new SendResult(throwable));
}
}