org.eclipse.jetty.http.spi.JettyHttpServer Maven / Gradle / Ivy
//
// ========================================================================
// Copyright (c) 1995 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.http.spi;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Executor;
import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpHandler;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.server.HttpConnectionFactory;
import org.eclipse.jetty.server.NetworkConnector;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.eclipse.jetty.server.handler.ContextHandler;
import org.eclipse.jetty.server.handler.ContextHandlerCollection;
import org.eclipse.jetty.util.thread.ThreadPool;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Jetty implementation of {@link com.sun.net.httpserver.HttpServer}.
*/
public class JettyHttpServer extends com.sun.net.httpserver.HttpServer
{
private static final Logger LOG = LoggerFactory.getLogger(JettyHttpServer.class);
private final HttpConfiguration _httpConfiguration;
private final Server _server;
private boolean _serverShared;
private InetSocketAddress _addr;
private Map _contexts = new HashMap<>();
private Map _connectors = new HashMap<>();
public JettyHttpServer(Server server, boolean shared)
{
this(server, shared, new HttpConfiguration());
}
public JettyHttpServer(Server server, boolean shared, HttpConfiguration configuration)
{
this._server = server;
this._serverShared = shared;
this._httpConfiguration = configuration;
}
public HttpConfiguration getHttpConfiguration()
{
return _httpConfiguration;
}
@Override
public void bind(InetSocketAddress addr, int backlog) throws IOException
{
this._addr = addr;
// check if there is already a connector listening
Collection connectors = _server.getBeans(NetworkConnector.class);
if (connectors != null)
{
for (NetworkConnector connector : connectors)
{
if (connector.getPort() == addr.getPort() || connector.getLocalPort() == addr.getPort())
{
if (LOG.isDebugEnabled())
LOG.debug("server already bound to port {}, no need to rebind", addr.getPort());
return;
}
}
}
if (_serverShared)
throw new IOException("jetty server is not bound to port " + addr.getPort());
if (LOG.isDebugEnabled())
LOG.debug("binding server to port {}", addr.getPort());
ServerConnector connector = new ServerConnector(_server);
connector.setPort(addr.getPort());
connector.setHost(addr.getHostName());
_server.addConnector(connector);
_connectors.put(addr.getHostName() + addr.getPort(), connector);
}
protected Server getServer()
{
return _server;
}
protected ServerConnector newServerConnector(InetSocketAddress addr, int backlog)
{
ServerConnector connector = new ServerConnector(_server, new HttpConnectionFactory(_httpConfiguration));
connector.setPort(addr.getPort());
connector.setHost(addr.getHostName());
return connector;
}
@Override
public InetSocketAddress getAddress()
{
if (_addr.getPort() == 0 && _server.isStarted())
return new InetSocketAddress(_addr.getHostString(), _server.getBean(NetworkConnector.class).getLocalPort());
return _addr;
}
@Override
public void start()
{
if (_serverShared)
return;
try
{
_server.start();
}
catch (Exception ex)
{
throw new RuntimeException(ex);
}
}
@Override
public void setExecutor(Executor executor)
{
if (executor == null)
throw new IllegalArgumentException("missing required 'executor' argument");
ThreadPool threadPool = _server.getThreadPool();
if (threadPool instanceof DelegatingThreadPool)
{
try
{
if (_server.isRunning())
{
_server.stop();
}
((DelegatingThreadPool)_server.getThreadPool()).setExecutor(executor);
_server.start();
}
catch (Exception e)
{
throw new RuntimeException(e.getMessage(), e);
}
}
else
{
throw new UnsupportedOperationException("!DelegatingThreadPool");
}
}
@Override
public Executor getExecutor()
{
ThreadPool threadPool = _server.getThreadPool();
if (threadPool instanceof DelegatingThreadPool)
return ((DelegatingThreadPool)_server.getThreadPool()).getExecutor();
return threadPool;
}
@Override
public void stop(int delay)
{
cleanUpContexts();
cleanUpConnectors();
if (_serverShared)
return;
try
{
_server.stop();
}
catch (Exception ex)
{
throw new RuntimeException(ex);
}
}
private void cleanUpContexts()
{
for (Map.Entry stringJettyHttpContextEntry : _contexts.entrySet())
{
JettyHttpContext context = stringJettyHttpContextEntry.getValue();
_server.removeBean(context.getJettyContextHandler());
}
_contexts.clear();
}
private void cleanUpConnectors()
{
for (Map.Entry stringConnectorEntry : _connectors.entrySet())
{
Connector connector = stringConnectorEntry.getValue();
try
{
connector.stop();
}
catch (Exception ex)
{
LOG.warn("Unable to stop connector {}", connector, ex);
}
_server.removeConnector(connector);
}
_connectors.clear();
}
@Override
public HttpContext createContext(String path, HttpHandler httpHandler)
{
checkIfContextIsFree(path);
JettyHttpContext context = new JettyHttpContext(this, path, httpHandler);
HttpSpiContextHandler jettyContextHandler = context.getJettyContextHandler();
ContextHandlerCollection chc = _server.getChildHandlerByClass(ContextHandlerCollection.class);
if (chc == null)
throw new RuntimeException("could not find ContextHandlerCollection, you must configure one");
chc.addHandler(jettyContextHandler);
if (chc.isStarted())
{
try
{
jettyContextHandler.start();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
_contexts.put(path, context);
return context;
}
@Override
public HttpContext createContext(String path)
{
return createContext(path, null);
}
private void checkIfContextIsFree(String path)
{
Handler serverHandler = _server.getHandler();
if (serverHandler instanceof ContextHandler)
{
ContextHandler ctx = (ContextHandler)serverHandler;
if (ctx.getContextPath().equals(path))
throw new RuntimeException("another context already bound to path " + path);
}
Handler[] handlers = _server.getHandlers();
if (handlers == null)
return;
for (Handler handler : handlers)
{
if (handler instanceof ContextHandler)
{
ContextHandler ctx = (ContextHandler)handler;
if (ctx.getContextPath().equals(path))
throw new RuntimeException("another context already bound to path " + path);
}
}
}
@Override
public void removeContext(String path) throws IllegalArgumentException
{
JettyHttpContext context = _contexts.remove(path);
if (context == null)
return;
HttpSpiContextHandler handler = context.getJettyContextHandler();
ContextHandlerCollection chc = _server.getChildHandlerByClass(ContextHandlerCollection.class);
try
{
handler.stop();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
chc.removeHandler(handler);
}
@Override
public void removeContext(HttpContext context)
{
removeContext(context.getPath());
}
}