//========================================================================
//$$Id: JettyHttpServer.java 1647 2009-09-18 09:14:03Z janb $$
//
//------------------------------------------------------------------------
//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 org.mortbay.jetty.j2se6;
import java.io.IOException;
import java.net.BindException;
import java.net.InetSocketAddress;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadPoolExecutor;
import org.mortbay.jetty.Connector;
import org.mortbay.jetty.Handler;
import org.mortbay.jetty.Server;
import org.mortbay.jetty.handler.ContextHandler;
import org.mortbay.jetty.handler.ContextHandlerCollection;
import org.mortbay.jetty.handler.DefaultHandler;
import org.mortbay.jetty.handler.HandlerCollection;
import org.mortbay.jetty.nio.SelectChannelConnector;
import org.mortbay.log.Log;
import com.sun.net.httpserver.HttpContext;
import com.sun.net.httpserver.HttpHandler;
/**
* Jetty implementation of {@link com.sun.net.httpserver.HttpServer}.
*
* One sun HttpServer instance relates to one jetty Server instance, which
* has one Connector.
*
*/
public class JettyHttpServer extends com.sun.net.httpserver.HttpServer
{
private Server _server;
private ContextHandlerCollection _contextCollection;
private InetSocketAddress _addr;
private ThreadPoolExecutor _executor;
private boolean _started = false;
public JettyHttpServer()
{
_server = new Server();
HandlerCollection handlerCollection = new HandlerCollection();
_contextCollection = new ContextHandlerCollection();
handlerCollection.setHandlers(new Handler[] {_contextCollection, new DefaultHandler()});
_server.setHandler(handlerCollection);
}
@Override
public void bind(InetSocketAddress addr, int backlog) throws IOException
{
if (_started)
throw new BindException ("Already started");
// check if there is already a connector listening
Connector[] connectors = _server.getConnectors();
if (connectors != null)
throw new BindException ("Server already bound");
this._addr = addr;
if (_executor != null && _server.getThreadPool() == null)
{
if (Log.isDebugEnabled()) Log.debug("using given Executor for server thread pool");
_server.setThreadPool(new ThreadPoolExecutorAdapter(_executor));
}
SelectChannelConnector connector = new SelectChannelConnector();
connector.setAcceptors(1);
connector.setAcceptQueueSize(backlog);
connector.setPort(addr.getPort());
connector.setHost(addr.getHostName());
_server.addConnector(connector);
}
@Override
public InetSocketAddress getAddress()
{
return _addr;
}
@Override
public void start()
{
if (_started)
throw new IllegalStateException ("Already started");
try
{
_server.start();
_started = true;
}
catch (Exception ex)
{
throw new RuntimeException(ex);
}
}
@Override
public void setExecutor(Executor executor)
{
if (_started)
throw new IllegalStateException ("Server started");
if (!(executor instanceof ThreadPoolExecutor))
throw new IllegalArgumentException("only ThreadPoolExecutor are allowed");
this._executor = (ThreadPoolExecutor) executor;
}
@Override
public Executor getExecutor()
{
return _executor;
}
@Override
public void stop(int delay)
{
if (delay < 0)
throw new IllegalStateException ("Delay is negative");
_server.setGracefulShutdown(delay * 1000);
try
{
_server.stop();
}
catch (Exception ex)
{
throw new RuntimeException(ex);
}
}
@Override
public HttpContext createContext(String path, HttpHandler handler)
{
checkIfContextIsFree(path);
JettyHttpContext context = new JettyHttpContext(this, path, handler);
J2SE6ContextHandler jettyContextHandler = context.getJettyContextHandler();
_contextCollection.addHandler(jettyContextHandler);
return context;
}
private void checkIfContextIsFree(String path)
{
Handler[] handlers = _contextCollection.getChildHandlersByClass(ContextHandler.class);
for (int i = 0; handlers!= null && i < handlers.length; i++)
{
ContextHandler ctx = (ContextHandler) handlers[i];
if (ctx.getContextPath().equals(path))
throw new IllegalArgumentException("another context already bound to path " + path);
}
}
@Override
public HttpContext createContext(String path)
{
return createContext(path, null);
}
@Override
public void removeContext(String path) throws IllegalArgumentException
{
Handler handler = null;
Handler[] handlers = _contextCollection.getChildHandlersByClass(ContextHandler.class);
for (int i = 0; handlers!= null && i < handlers.length && handler == null; i++)
{
ContextHandler ctx = (ContextHandler) handlers[i];
if (ctx.getContextPath().equals(path))
handler = ctx;
}
if (handler != null)
_contextCollection.removeHandler(handler);
}
@Override
public void removeContext(HttpContext context)
{
removeContext(context.getPath());
}
}