Java tutorial
/* Copyright 2010 Massachusetts General Hospital 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.sc.probro; import java.net.UnknownHostException; import java.util.*; import java.util.logging.Logger; import java.util.regex.Pattern; import javax.servlet.Servlet; import org.apache.commons.fileupload.servlet.FileCleanerCleanup; import org.apache.jasper.servlet.JspServlet; import org.eclipse.jetty.server.Handler; import org.eclipse.jetty.server.NCSARequestLog; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.server.handler.HandlerList; import org.eclipse.jetty.server.handler.RequestLogHandler; import org.eclipse.jetty.server.handler.ResourceHandler; import org.eclipse.jetty.servlet.ServletContextHandler; import org.eclipse.jetty.servlet.ServletHolder; import org.eclipse.jetty.servlet.ServletMapping; import org.eclipse.jetty.util.log.Log; import org.sc.probro.data.*; import org.sc.probro.servlets.*; public class BrokerStart { public static String HOSTNAME = "localhost"; public static int PORT = 8080; static { try { HOSTNAME = java.net.Inet4Address.getLocalHost().getHostName(); } catch (UnknownHostException e) { System.err.println(String.format("Unable to find HOSTNAME: %s", e.getMessage())); } } public static String getURLPrefix() { return String.format("http://%s:%d/", HOSTNAME, PORT); } public static void main(String[] args) throws Exception { BrokerProperties props = new BrokerProperties(); int port = args.length > 0 ? Integer.parseInt(args[0]) : props.getPort(); PORT = port; String resourceBase = props.getResourceBase(); BrokerStart js = new BrokerStart(port, resourceBase); //js.addServlet("jsp", new JspServlet(), "*.jsp"); // These are all remaining the same. js.addServlet("States", new RequestStateServlet(), "/states"); js.addServlet("Proteins", new BiothesaurusQueryServlet(props), "/proteins/*"); js.addServlet("Test", new TestServlet(), "/test/*"); js.addServlet("Reset", new ResetServlet(props), "/reset/*"); js.addServlet("Admin", new AdminServlet(props), "/admin/*"); // These are the old servlets. //js.addServlet("Request", new RequestServlet(props), "/request/*"); //js.addServlet("TextQuery", new TextQueryServlet(props), "/query"); //js.addServlet("Requests", new RequestListServlet(props), "/requests"); //js.addServlet("Ontology", new DBObjectServlet<OntologyObject>(props, OntologyObject.class, "ontology_id"), "/ontology/*"); //js.addServlet("Ontologies", new OntologyListServlet(props), "/ontologies"); //js.addServlet("User", new DBObjectServlet<UserObject>(props, UserObject.class, "user_id"), "/user/*"); //js.addServlet("Users", new DBObjectListServlet<UserObject>(props, UserObject.class), "/users"); js.addServlet("BulkRequests", new BulkRequestServlet(props), "/bulk-requests"); js.addServlet("TextQuery", new TextQueryServlet(props), "/query"); js.addServlet("Request", new RequestServlet(props), "/request/*"); js.addServlet("Requests", new RequestListServlet(props), "/requests/*"); js.addServlet("Ontology", new OntologyServlet(props), "/ontology/*"); js.addServlet("Ontologies", new OntologyListServlet(props), "/ontologies/*"); js.addServlet("User", new UserServlet(props), "/user/*"); js.addServlet("Users", new UserListServlet(props), "/users/*"); js.addServlet("Supervisor", new SupervisorServlet(), "/supervisor/*"); js.addServlet("OntologyFields", new OntologyFieldServlet(props), "/ontologyfields/*"); js.addServlet("IndexCreator", new IndexCreatorServlet(props), "/indexer/*"); Runtime.getRuntime().addShutdownHook(new Thread(new ShutdownRunnable(js))); js.start(); } private static class ShutdownRunnable implements Runnable { private BrokerStart broker; public ShutdownRunnable(BrokerStart bs) { broker = bs; } public void run() { System.out.println("Shutdown hook running..."); System.out.flush(); broker.stop(); } } private Server server; private ServletContextHandler context; public BrokerStart(int port, String resourceBase) { server = new Server(port); Map<String, String> params = new TreeMap<String, String>(); params.put("org.apache.jasper.Constants.SERVLET_CLASSPATH", "org.sc.probro.jsps"); params.put("org.apache.jasper.servlet.JspServlet.classpath", "org.sc.probro.jsps"); context = new ServletContextHandler(ServletContextHandler.SESSIONS); context.setContextPath("/"); context.setResourceBase(resourceBase); context.setInitParams(params); // This is the reaper thread for the Apache FileUpload utility, which cleans out // the temporary files which have been uploaded. // See // http://commons.apache.org/fileupload/using.html // for more details. context.addEventListener(new FileCleanerCleanup()); ResourceHandler recs = new ResourceHandler(); recs.setResourceBase(resourceBase + "/static"); recs.setCacheControl("max-age=3600"); RequestLogHandler logHandler = new RequestLogHandler(); HandlerList handlers = new HandlerList(); handlers.setHandlers(new Handler[] { context, recs }); logHandler.setHandler(handlers); server.setHandler(logHandler); //server.setHandler(handlers); // Taken from example: // http://wiki.eclipse.org/Jetty/Tutorial/RequestLog NCSARequestLog requestLog = new NCSARequestLog("./logs/broker-yyyy_mm_dd.request.log"); requestLog.setRetainDays(90); requestLog.setAppend(true); requestLog.setExtended(false); requestLog.setLogTimeZone("GMT"); logHandler.setRequestLog(requestLog); } public void addServlet(String servletName, Servlet servlet, String firstMapping, String... mappings) { ServletHolder holder = new ServletHolder(servlet); holder.setName(servletName); context.addServlet(holder, firstMapping); if (mappings.length > 0) { ServletMapping servletMapping = new ServletMapping(); servletMapping.setServletName(servletName); servletMapping.setPathSpecs(mappings); context.getServletHandler().addServletMapping(servletMapping); } } public void start() throws Exception { server.start(); server.join(); } public void stop() { try { if (server.isStarted()) { server.stop(); } else { System.out.println("Ignoring stop on unstarted server."); } } catch (Exception e) { e.printStackTrace(System.err); } } }