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The legacy jetty server artifact.
//
// ========================================================================
// Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0
// which is available at https://www.apache.org/licenses/LICENSE-2.0.
//
// SPDX-License-Identifier: EPL-2.0 OR Apache-2.0
// ========================================================================
//
package org.eclipse.jetty.server;
/**
* A HttpChannel.Listener that holds a collection of
* other HttpChannel.Listener instances that are efficiently
* invoked without iteration.
* @see AbstractConnector
*/
@Deprecated // TODO update or remove
public class HttpChannelListeners // TODO ??? implements HttpChannel.Listener
{
/* TODO
static final Logger LOG = LoggerFactory.getLogger(HttpChannelListeners.class);
public static HttpChannel.Listener NOOP = new HttpChannel.Listener() {};
private final NotifyRequest onRequestBegin;
private final NotifyRequest onBeforeDispatch;
private final NotifyFailure onDispatchFailure;
private final NotifyRequest onAfterDispatch;
private final NotifyContent onRequestContent;
private final NotifyRequest onRequestContentEnd;
private final NotifyRequest onRequestTrailers;
private final NotifyRequest onRequestEnd;
private final NotifyFailure onRequestFailure;
private final NotifyRequest onResponseBegin;
private final NotifyRequest onResponseCommit;
private final NotifyContent onResponseContent;
private final NotifyRequest onResponseEnd;
private final NotifyFailure onResponseFailure;
private final NotifyRequest onComplete;
public HttpChannelListeners(Collection listeners)
{
try
{
NotifyRequest onRequestBegin = NotifyRequest.NOOP;
NotifyRequest onBeforeDispatch = NotifyRequest.NOOP;
NotifyFailure onDispatchFailure = NotifyFailure.NOOP;
NotifyRequest onAfterDispatch = NotifyRequest.NOOP;
NotifyContent onRequestContent = NotifyContent.NOOP;
NotifyRequest onRequestContentEnd = NotifyRequest.NOOP;
NotifyRequest onRequestTrailers = NotifyRequest.NOOP;
NotifyRequest onRequestEnd = NotifyRequest.NOOP;
NotifyFailure onRequestFailure = NotifyFailure.NOOP;
NotifyRequest onResponseBegin = NotifyRequest.NOOP;
NotifyRequest onResponseCommit = NotifyRequest.NOOP;
NotifyContent onResponseContent = NotifyContent.NOOP;
NotifyRequest onResponseEnd = NotifyRequest.NOOP;
NotifyFailure onResponseFailure = NotifyFailure.NOOP;
NotifyRequest onComplete = NotifyRequest.NOOP;
for (HttpChannel.Listener listener : listeners)
{
if (!listener.getClass().getMethod("onRequestBegin", Request.class).isDefault())
onRequestBegin = combine(onRequestBegin, listener::onRequestBegin);
if (!listener.getClass().getMethod("onBeforeDispatch", Request.class).isDefault())
onBeforeDispatch = combine(onBeforeDispatch, listener::onBeforeDispatch);
if (!listener.getClass().getMethod("onDispatchFailure", Request.class, Throwable.class).isDefault())
onDispatchFailure = combine(onDispatchFailure, listener::onDispatchFailure);
if (!listener.getClass().getMethod("onAfterDispatch", Request.class).isDefault())
onAfterDispatch = combine(onAfterDispatch, listener::onAfterDispatch);
if (!listener.getClass().getMethod("onRequestContent", Request.class, ByteBuffer.class).isDefault())
onRequestContent = combine(onRequestContent, listener::onRequestContent);
if (!listener.getClass().getMethod("onRequestContentEnd", Request.class).isDefault())
onRequestContentEnd = combine(onRequestContentEnd, listener::onRequestContentEnd);
if (!listener.getClass().getMethod("onRequestTrailers", Request.class).isDefault())
onRequestTrailers = combine(onRequestTrailers, listener::onRequestTrailers);
if (!listener.getClass().getMethod("onRequestEnd", Request.class).isDefault())
onRequestEnd = combine(onRequestEnd, listener::onRequestEnd);
if (!listener.getClass().getMethod("onRequestFailure", Request.class, Throwable.class).isDefault())
onRequestFailure = combine(onRequestFailure, listener::onRequestFailure);
if (!listener.getClass().getMethod("onResponseBegin", Request.class).isDefault())
onResponseBegin = combine(onResponseBegin, listener::onResponseBegin);
if (!listener.getClass().getMethod("onResponseCommit", Request.class).isDefault())
onResponseCommit = combine(onResponseCommit, listener::onResponseCommit);
if (!listener.getClass().getMethod("onResponseContent", Request.class, ByteBuffer.class).isDefault())
onResponseContent = combine(onResponseContent, listener::onResponseContent);
if (!listener.getClass().getMethod("onResponseEnd", Request.class).isDefault())
onResponseEnd = combine(onResponseEnd, listener::onResponseEnd);
if (!listener.getClass().getMethod("onResponseFailure", Request.class, Throwable.class).isDefault())
onResponseFailure = combine(onResponseFailure, listener::onResponseFailure);
if (!listener.getClass().getMethod("onComplete", Request.class).isDefault())
onComplete = combine(onComplete, listener::onComplete);
}
this.onRequestBegin = onRequestBegin;
this.onBeforeDispatch = onBeforeDispatch;
this.onDispatchFailure = onDispatchFailure;
this.onAfterDispatch = onAfterDispatch;
this.onRequestContent = onRequestContent;
this.onRequestContentEnd = onRequestContentEnd;
this.onRequestTrailers = onRequestTrailers;
this.onRequestEnd = onRequestEnd;
this.onRequestFailure = onRequestFailure;
this.onResponseBegin = onResponseBegin;
this.onResponseCommit = onResponseCommit;
this.onResponseContent = onResponseContent;
this.onResponseEnd = onResponseEnd;
this.onResponseFailure = onResponseFailure;
this.onComplete = onComplete;
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
@Override
public void onRequestBegin(Request request)
{
onRequestBegin.onRequest(request);
}
@Override
public void onBeforeDispatch(Request request)
{
onBeforeDispatch.onRequest(request);
}
@Override
public void onDispatchFailure(Request request, Throwable failure)
{
onDispatchFailure.onFailure(request, failure);
}
@Override
public void onAfterDispatch(Request request)
{
onAfterDispatch.onRequest(request);
}
@Override
public void onRequestContent(Request request, ByteBuffer content)
{
onRequestContent.onContent(request, content);
}
@Override
public void onRequestContentEnd(Request request)
{
onRequestContentEnd.onRequest(request);
}
@Override
public void onRequestTrailers(Request request)
{
onRequestTrailers.onRequest(request);
}
@Override
public void onRequestEnd(Request request)
{
onRequestEnd.onRequest(request);
}
@Override
public void onRequestFailure(Request request, Throwable failure)
{
onRequestFailure.onFailure(request, failure);
}
@Override
public void onResponseBegin(Request request)
{
onResponseBegin.onRequest(request);
}
@Override
public void onResponseCommit(Request request)
{
onResponseCommit.onRequest(request);
}
@Override
public void onResponseContent(Request request, ByteBuffer content)
{
onResponseContent.onContent(request, content);
}
@Override
public void onResponseEnd(Request request)
{
onResponseEnd.onRequest(request);
}
@Override
public void onResponseFailure(Request request, Throwable failure)
{
onResponseFailure.onFailure(request, failure);
}
@Override
public void onComplete(Request request)
{
onComplete.onRequest(request);
}
private interface NotifyRequest
{
void onRequest(Request request);
NotifyRequest NOOP = request ->
{
};
}
private interface NotifyFailure
{
void onFailure(Request request, Throwable failure);
NotifyFailure NOOP = (request, failure) ->
{
};
}
private interface NotifyContent
{
void onContent(Request request, ByteBuffer content);
NotifyContent NOOP = (request, content) ->
{
};
}
private static NotifyRequest combine(NotifyRequest first, NotifyRequest second)
{
if (first == NotifyRequest.NOOP)
return second;
if (second == NotifyRequest.NOOP)
return first;
return request ->
{
first.onRequest(request);
second.onRequest(request);
};
}
private static NotifyFailure combine(NotifyFailure first, NotifyFailure second)
{
if (first == NotifyFailure.NOOP)
return second;
if (second == NotifyFailure.NOOP)
return first;
return (request, throwable) ->
{
first.onFailure(request, throwable);
second.onFailure(request, throwable);
};
}
private static NotifyContent combine(NotifyContent first, NotifyContent second)
{
if (first == NotifyContent.NOOP)
return (request, content) -> second.onContent(request, content.slice());
if (second == NotifyContent.NOOP)
return (request, content) -> first.onContent(request, content.slice());
return (request, content) ->
{
content = content.slice();
first.onContent(request, content);
second.onContent(request, content);
};
}
*/
}