org.glassfish.tyrus.container.grizzly.server.WebSocketAddOn Maven / Gradle / Ivy
/*
* Copyright (c) 2011, 2017 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.tyrus.container.grizzly.server;
import org.glassfish.tyrus.spi.ServerContainer;
import org.glassfish.grizzly.filterchain.FilterChainBuilder;
import org.glassfish.grizzly.http.server.AddOn;
import org.glassfish.grizzly.http.server.HttpServer;
import org.glassfish.grizzly.http.server.HttpServerFilter;
import org.glassfish.grizzly.http.server.NetworkListener;
/**
* WebSockets {@link AddOn} for the {@link HttpServer}.
*
* @author Alexey Stashok
*/
// keep this public to allow other developers use this with their own GrizzlyServerContainer alternative
// see https://java.net/jira/browse/TYRUS-317
public class WebSocketAddOn implements AddOn {
private final ServerContainer serverContainer;
private final String contextPath;
WebSocketAddOn(ServerContainer serverContainer, String contextPath) {
this.serverContainer = serverContainer;
this.contextPath = contextPath;
}
@Override
public void setup(NetworkListener networkListener, FilterChainBuilder builder) {
// Get the index of HttpServerFilter in the HttpServer filter chain
final int httpServerFilterIdx = builder.indexOfType(HttpServerFilter.class);
if (httpServerFilterIdx >= 0) {
// Insert the WebSocketFilter right before HttpServerFilter
builder.add(httpServerFilterIdx, new GrizzlyServerFilter(serverContainer, contextPath));
}
}
}