Java tutorial
package eu.learnpad.simulator.mon; /* GLIMPSE: A generic and flexible monitoring infrastructure. * For further information: http://labsewiki.isti.cnr.it/labse/tools/glimpse/public/main * * Copyright (C) 2011 Software Engineering Laboratory - ISTI CNR - Pisa - Italy * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import java.io.FileOutputStream; import java.io.PrintStream; import java.util.Properties; import javax.jms.TopicConnectionFactory; import javax.naming.InitialContext; import javax.naming.NamingException; import org.apache.commons.net.ntp.TimeStamp; import eu.learnpad.simulator.mon.buffer.EventsBuffer; import eu.learnpad.simulator.mon.cep.ComplexEventProcessor; import eu.learnpad.simulator.mon.event.GlimpseBaseEvent; import eu.learnpad.simulator.mon.impl.ComplexEventProcessorImpl; import eu.learnpad.simulator.mon.impl.EventsBufferImpl; import eu.learnpad.simulator.mon.impl.LearnerAssessmentManagerImpl; import eu.learnpad.simulator.mon.impl.RuleTemplateManager; import eu.learnpad.simulator.mon.manager.GlimpseManager; import eu.learnpad.simulator.mon.manager.LearnerAssessmentManager; import eu.learnpad.simulator.mon.manager.RestNotifier; import eu.learnpad.simulator.mon.services.ServiceLocatorFactory; import eu.learnpad.simulator.mon.storage.DBController; import eu.learnpad.simulator.mon.storage.H2Controller; import eu.learnpad.simulator.mon.utils.DebugMessages; import eu.learnpad.simulator.mon.utils.MailNotification; import eu.learnpad.simulator.mon.utils.Manager; import eu.learnpad.simulator.mon.utils.SplashScreen; /** * @author Antonello Calabrò * * This class is the launcher of the glimpse infrastructure * It setup the environment. It is possible to configure * different engine for complex event recognition. * * It also provide the setup of all the connection to the ESB */ public class MainMonitoring { private static Properties systemProps = new Properties(); // start settings protected static String ENVIRONMENTPARAMETERSFILE; protected static String DROOLSPARAMETERFILE; protected static String MANAGERPARAMETERFILE; protected static String SOAPREQUESTFILE; protected static String DROOLSRULEREQUESTTEMPLATE1; protected static String DROOLSRULEREQUESTTEMPLATE2; protected static String DROOLSRULEREQUESTTEMPLATE3_1; protected static String DROOLSRULEREQUESTTEMPLATE3_2; protected static String BSMWSDLURIFILEPATH; protected static String REGEXPATTERNFILEPATH; protected static String MAILNOTIFICATIONSETTINGSFILEPATH; protected static String DATABASECONNECTIONSTRINGH2; protected static String DATABASECONNECTIONSTRINGMYSQL; public static String RESTNOTIFIERURLSTRING; // end settings private static Properties environmentParameters; private static TopicConnectionFactory connFact; private static InitialContext initConn; /** * This method reads parameters from text files * Parameters are relative to environment, cep engine * * @param systemSettings * @return true if operations are completed correctly */ public static boolean initProps(String systemSettings) { try { systemProps = Manager.Read(systemSettings); ENVIRONMENTPARAMETERSFILE = systemProps.getProperty("ENVIRONMENTPARAMETERSFILE"); DROOLSPARAMETERFILE = systemProps.getProperty("DROOLSPARAMETERFILE"); MANAGERPARAMETERFILE = systemProps.getProperty("MANAGERPARAMETERFILE"); SOAPREQUESTFILE = systemProps.getProperty("SOAPREQUESTFILE"); DROOLSRULEREQUESTTEMPLATE1 = systemProps.getProperty("DROOLSRULEREQUESTTEMPLATE1"); DROOLSRULEREQUESTTEMPLATE2 = systemProps.getProperty("DROOLSRULEREQUESTTEMPLATE2"); DROOLSRULEREQUESTTEMPLATE3_1 = systemProps.getProperty("DROOLSRULEREQUESTTEMPLATE3_1"); DROOLSRULEREQUESTTEMPLATE3_2 = systemProps.getProperty("DROOLSRULEREQUESTTEMPLATE3_2"); BSMWSDLURIFILEPATH = systemProps.getProperty("BSMWSDLURIFILEPATH"); REGEXPATTERNFILEPATH = systemProps.getProperty("REGEXPATTERNFILEPATH"); MAILNOTIFICATIONSETTINGSFILEPATH = systemProps.getProperty("MAILNOTIFICATIONPATH"); DATABASECONNECTIONSTRINGH2 = systemProps.getProperty("DATABASECONNECTIONSTRINGH2"); DATABASECONNECTIONSTRINGMYSQL = systemProps.getProperty("DATABASECONNECTIONSTRINGMYSQL"); RESTNOTIFIERURLSTRING = systemProps.getProperty("RESTNOTIFIERURLSTRING"); return true; } catch (Exception asd) { System.out.println("USAGE: java -jar MainMonitoring.jar \"systemSettings\""); return false; } } public static boolean init() { boolean successfullInit = false; try { //the connection are initialized environmentParameters = Manager.Read(ENVIRONMENTPARAMETERSFILE); initConn = new InitialContext(environmentParameters); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "Connection Parameters"); DebugMessages.line(); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "java.naming.factory.initial " + environmentParameters.getProperty("java.naming.factory.initial")); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "java.naming.provider.url " + environmentParameters.getProperty("java.naming.provider.url")); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "java.naming.security.principal " + environmentParameters.getProperty("java.naming.security.principal")); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "java.naming.security.credentials " + environmentParameters.getProperty("java.naming.security.credentials")); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "connectionFactoryNames " + environmentParameters.getProperty("connectionFactoryNames")); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "topic.serviceTopic " + environmentParameters.getProperty("topic.serviceTopic")); DebugMessages.println(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "topic.probeTopic " + environmentParameters.getProperty("topic.probeTopic")); DebugMessages.line(); DebugMessages.print(TimeStamp.getCurrentTime(), MainMonitoring.class.getSimpleName(), "Setting up TopicConnectionFactory"); connFact = (TopicConnectionFactory) initConn.lookup("TopicCF"); DebugMessages.ok(); DebugMessages.line(); successfullInit = true; } catch (NamingException e) { e.printStackTrace(); successfullInit = false; } catch (Exception e) { e.printStackTrace(); successfullInit = false; } return successfullInit; } /** * Read the properties and init the connections to the enterprise service bus * * @param is the systemSettings file */ public static void main(String[] args) { try { FileOutputStream fos = new FileOutputStream("glimpseLog.log"); PrintStream ps = new PrintStream(fos); System.setErr(ps); if (MainMonitoring.initProps(args[0]) && MainMonitoring.init()) { System.out.println("Running ActiveMQ instance on " + environmentParameters.getProperty("java.naming.provider.url")); ActiveMQRunner anActiveMQInstance = new ActiveMQRunner( environmentParameters.getProperty("java.naming.provider.url")); new Thread(anActiveMQInstance).start(); while (!anActiveMQInstance.isBrokerStarted()) { Thread.sleep(1000); } System.out.println("ActiveMQ is running"); System.out.println("Running GLIMPSE"); SplashScreen.Show(); System.out.println("Please wait until setup is done..."); //the buffer where the events are stored to be analyzed, in this version //the buffer object is not used because Drools has it's own eventStream object EventsBuffer<GlimpseBaseEvent<?>> buffer = new EventsBufferImpl<GlimpseBaseEvent<?>>(); //The complex event engine that will be used (in this case drools) ComplexEventProcessor engineOne = new ComplexEventProcessorImpl(Manager.Read(MANAGERPARAMETERFILE), buffer, connFact, initConn); engineOne.start(); RestNotifier notifierEngine = new RestNotifier(); notifierEngine.start(); //using H2 database DBController databaseController = new H2Controller(Manager.Read(DATABASECONNECTIONSTRINGH2)); //using MYSQL database //DBController databaseController = new MySqlController(Manager.Read(DATABASECONNECTIONSTRINGMYSQL)); LearnerAssessmentManager lam = new LearnerAssessmentManagerImpl(databaseController); lam.start(); try { Thread.sleep(1000); } catch (InterruptedException e) { e.printStackTrace(); } RuleTemplateManager templateManager = new RuleTemplateManager(DROOLSRULEREQUESTTEMPLATE1, DROOLSRULEREQUESTTEMPLATE2, DROOLSRULEREQUESTTEMPLATE3_1, DROOLSRULEREQUESTTEMPLATE3_2); //the component in charge to locate services and load specific rules. ServiceLocatorFactory.getServiceLocatorParseViolationReceivedFromBSM(engineOne, templateManager, REGEXPATTERNFILEPATH).start(); //start MailNotifier component MailNotification mailer = new MailNotification(Manager.Read(MAILNOTIFICATIONSETTINGSFILEPATH)); mailer.start(); //the manager of all the architecture GlimpseManager manager = new GlimpseManager(Manager.Read(MANAGERPARAMETERFILE), connFact, initConn, engineOne.getRuleManager(), lam); manager.start(); } } catch (Exception e) { System.out.println("USAGE: java -jar MainMonitoring.jar \"systemSettings\""); } } }