org.eclipse.jetty.maven.plugin.ServerSupport Maven / Gradle / Ivy
//
// ========================================================================
// 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.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.RequestLog;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.ContextHandler;
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.HandlerList;
import org.eclipse.jetty.util.resource.PathResource;
import org.eclipse.jetty.webapp.Configurations;
import org.eclipse.jetty.webapp.WebAppContext;
import org.eclipse.jetty.xml.XmlConfiguration;
/**
* ServerSupport
*
* Helps configure the Server instance.
*/
public class ServerSupport
{
public static void configureDefaultConfigurationClasses(Server server)
{
Configurations.setServerDefault(server);
}
/**
* Set up the handler structure to receive a webapp.
* Also put in a DefaultHandler so we get a nicer page
* than a 404 if we hit the root and the webapp's
* context isn't at root.
*
* @param server the server to use
* @param contextHandlers the context handlers to include
* @param requestLog a request log to use
* @throws Exception
*/
public static void configureHandlers(Server server, List contextHandlers, RequestLog requestLog) throws Exception
{
if (server == null)
throw new IllegalArgumentException("Server is null");
if (requestLog != null)
server.setRequestLog(requestLog);
ContextHandlerCollection contexts = findContextHandlerCollection(server);
if (contexts == null)
{
contexts = new ContextHandlerCollection();
HandlerCollection handlers = server.getChildHandlerByClass(HandlerCollection.class);
if (handlers == null)
server.setHandler(new HandlerList(contexts, new DefaultHandler()));
else
handlers.addHandler(contexts);
}
if (contextHandlers != null)
{
for (ContextHandler context:contextHandlers)
{
contexts.addHandler(context);
}
}
}
/**
* Configure at least one connector for the server
*
* @param server the server
* @param connector the connector
* @param properties jetty properties
*/
public static void configureConnectors(Server server, Connector connector, Map properties)
{
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.http.port settings provided, trying system properties before jetty properties
String port = System.getProperty(MavenServerConnector.PORT_SYSPROPERTY);
if (port == null)
port = System.getProperty("jetty.port");
if (port == null)
port = (properties != null ? properties.get(MavenServerConnector.PORT_SYSPROPERTY) : null);
if (port == null)
port = 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 the server
* @param loginServices the login services
*/
public static void configureLoginServices(Server server, List 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);
}
}
}
/**
* Add a WebAppContext to a Server
* @param server the server to use
* @param webapp the webapp to add
* @throws Exception
*/
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);
}
/**
* Locate a ContextHandlerCollection for a Server.
*
* @param server the Server to check.
* @return The ContextHandlerCollection or null if not found.
*/
public static ContextHandlerCollection findContextHandlerCollection(Server server)
{
if (server == null)
return null;
return server.getChildHandlerByClass(ContextHandlerCollection.class);
}
/**
* Apply xml files to server instance.
*
* @param server the server to apply the xml to
* @param files the list of xml files
* @param properties list of jetty properties
* @return the Server implementation, after the xml is applied
* @throws Exception if unable to apply the xml configuration
*/
public static Server applyXmlConfigurations(Server server, List files, Map properties)
throws Exception
{
if (files == null || files.isEmpty())
return server;
Map lastMap = new HashMap<>();
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(new PathResource(xmlFile));
//add in any properties
if (properties != null)
{
for (Map.Entry e : properties.entrySet())
{
xmlConfiguration.getProperties().put(e.getKey(), e.getValue());
}
}
//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");
}
/**
* Apply xml files to server instance.
*
* @param server the Server instance to configure
* @param files the xml configs to apply
* @return the Server after application of configs
* @throws Exception
*/
public static Server applyXmlConfigurations(Server server, List files)
throws Exception
{
return applyXmlConfigurations(server, files, null);
}
}
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