//
// ========================================================================
// Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.maven.plugin;
import java.io.File;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.jetty.security.LoginService;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.RequestLog;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandlerCollection;
import org.eclipse.jetty.server.handler.DefaultHandler;
import org.eclipse.jetty.server.handler.HandlerCollection;
import org.eclipse.jetty.server.handler.RequestLogHandler;
import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.webapp.WebAppContext;
import org.eclipse.jetty.xml.XmlConfiguration;
/**
* ServerSupport
*
* Helps configure the Server instance.
*
*/
public class ServerSupport
{
/**
* Set up the handler structure to receive a webapp.
* Also put in a DefaultHandler so we get a nice page
* than a 404 if we hit the root and the webapp's
* context isn't at root.
* @throws Exception
*/
public static void configureHandlers (Server server, RequestLog requestLog) throws Exception
{
if (server == null)
throw new IllegalArgumentException ("Server is null");
DefaultHandler defaultHandler = new DefaultHandler();
RequestLogHandler requestLogHandler = new RequestLogHandler();
if (requestLog != null)
requestLogHandler.setRequestLog(requestLog);
ContextHandlerCollection contexts = findContextHandlerCollection(server);
if (contexts == null)
{
contexts = new ContextHandlerCollection();
HandlerCollection handlers = (HandlerCollection)server.getChildHandlerByClass(HandlerCollection.class);
if (handlers == null)
{
handlers = new HandlerCollection();
server.setHandler(handlers);
handlers.setHandlers(new Handler[]{contexts, defaultHandler, requestLogHandler});
}
else
{
handlers.addHandler(contexts);
}
}
}
/**
* Configure at least one connector for the server
*
* @param server
* @param connector
*/
public static void configureConnectors (Server server, Connector connector)
{
if (server == null)
throw new IllegalArgumentException("Server is null");
//if a connector is provided, use it
if (connector != null)
{
server.addConnector(connector);
return;
}
// if the user hasn't configured the connectors in a jetty.xml file so use a default one
Connector[] connectors = server.getConnectors();
if (connectors == null || connectors.length == 0)
{
//Make a new default connector
MavenServerConnector tmp = new MavenServerConnector();
//use any jetty.port settings provided
String port = System.getProperty(MavenServerConnector.PORT_SYSPROPERTY, MavenServerConnector.DEFAULT_PORT_STR);
tmp.setPort(Integer.parseInt(port.trim()));
tmp.setServer(server);
server.setConnectors(new Connector[] {tmp});
}
}
/**
* Set up any security LoginServices provided.
*
* @param server
* @param loginServices
*/
public static void configureLoginServices (Server server, LoginService[] loginServices)
{
if (server == null)
throw new IllegalArgumentException ("Server is null");
if (loginServices != null)
{
for (LoginService loginService:loginServices)
{
PluginLog.getLog().debug(loginService.getClass().getName() + ": "+ loginService.toString());
server.addBean(loginService);
}
}
}
/**
* @see org.eclipse.jetty.server.handler.HandlerCollection#addHandler(org.eclipse.jetty.server.Handler)
*/
public static void addWebApplication(Server server, WebAppContext webapp) throws Exception
{
if (server == null)
throw new IllegalArgumentException ("Server is null");
ContextHandlerCollection contexts = findContextHandlerCollection(server);
if (contexts == null)
throw new IllegalStateException("ContextHandlerCollection is null");
contexts.addHandler (webapp);
}
public static ContextHandlerCollection findContextHandlerCollection (Server server)
{
if (server == null)
return null;
return (ContextHandlerCollection)server.getChildHandlerByClass(ContextHandlerCollection.class);
}
/**
* Apply xml files to server startup, passing in ourselves as the
* "Server" instance.
*
* @param files
* @throws Exception
*/
public static Server applyXmlConfigurations (Server server, List<File> files)
throws Exception
{
if (files == null || files.isEmpty())
return server;
Map<String,Object> lastMap = new HashMap<String,Object>();
if (server != null)
lastMap.put("Server", server);
for ( File xmlFile : files )
{
if (PluginLog.getLog() != null)
PluginLog.getLog().info( "Configuring Jetty from xml configuration file = " + xmlFile.getCanonicalPath() );
XmlConfiguration xmlConfiguration = new XmlConfiguration(Resource.toURL(xmlFile));
//chain ids from one config file to another
if (lastMap != null)
xmlConfiguration.getIdMap().putAll(lastMap);
//Set the system properties each time in case the config file set a new one
Enumeration<?> ensysprop = System.getProperties().propertyNames();
while (ensysprop.hasMoreElements())
{
String name = (String)ensysprop.nextElement();
xmlConfiguration.getProperties().put(name,System.getProperty(name));
}
xmlConfiguration.configure();
lastMap = xmlConfiguration.getIdMap();
}
return (Server)lastMap.get("Server");
}
}