--- dao/DaoAdresseService/src/dk/daoas/daoadresseservice/ContextListener.java 2015/02/13 15:12:28 2281 +++ dao/DaoAdresseService/src/main/java/dk/daoas/daoadresseservice/ContextListener.java 2015/03/20 13:57:47 2457 @@ -1,12 +1,24 @@ package dk.daoas.daoadresseservice; -import java.sql.SQLException; +import java.io.FileReader; +import java.io.IOException; +import java.util.Properties; import javax.servlet.ServletContext; import javax.servlet.ServletContextEvent; import javax.servlet.ServletContextListener; +import javax.servlet.ServletRegistration; import javax.servlet.annotation.WebListener; +import org.apache.commons.lang3.SystemUtils; + +import dk.daoas.daoadresseservice.admin.ServiceConfig; +import dk.thoerup.circuitbreaker.AccountingCircuitBreaker; +import dk.thoerup.circuitbreaker.CircuitBreakerManager; +import dk.thoerup.circuitbreaker.web.CircuitBreakerServletBase; +import dk.thoerup.webconfig.ConfigServlet; +import dk.thoerup.webconfig.PropertiesConfigLoader; + /** * Application Lifecycle Listener implementation class ContextListener * @@ -14,27 +26,7 @@ @WebListener public class ContextListener implements ServletContextListener { - public static class DataLoader implements Runnable { - ServletContext ctxt; - public DataLoader(ServletContext ctxt) { - this.ctxt = ctxt; - } - - - @Override - public void run() { - - AdressSearch search = new AdressSearch(); - try { - search.buildSearchStructures(); - ctxt.setAttribute("search", search); - } catch (SQLException e) { - System.out.println("Error loading data: " + e.getMessage()); - } - } - - - } + public ContextListener() { @@ -45,15 +37,88 @@ // TODO Auto-generated method stub } + @Override public void contextInitialized(ServletContextEvent ctxtEvt) { System.out.println("Starting DAO Context"); ServletContext ctxt = ctxtEvt.getServletContext(); - Thread t = new Thread( new DataLoader(ctxt)); - t.start(); + ServiceConfig conf = null; + try { + conf = initConfig(ctxt); + } catch (IOException e) { + System.out.println("Error loading config " + e.getMessage()); + throw new RuntimeException(e); + } + + initDataLoader(ctxt, conf); + + initCircuitBreakers(ctxt, conf); + System.out.println("DAO Context done"); } + + + + + private ServiceConfig initConfig(ServletContext ctxt) throws IOException { + + final String CONF_FILE_NAME = "daoadresseservice.conf"; + + + ServiceConfig conf = new ServiceConfig(); + + String file = null; + if (SystemUtils.IS_OS_WINDOWS) { + file = "C:\\" + CONF_FILE_NAME; + } else { + file = "/etc/" + CONF_FILE_NAME; + } + + Properties propsFile = new Properties(); + try (FileReader reader = new FileReader(file) ) { + propsFile.load(reader); + } + + + new PropertiesConfigLoader(propsFile).loadConfig(conf); + + + ctxt.setAttribute("config", conf); + + // ///////////////////////////////////// + ConfigServlet servlet = new ConfigServlet(); + servlet.setConfigObject( conf ); + ServletRegistration.Dynamic dynconf = ctxt.addServlet("webconfig", servlet ); + dynconf.addMapping("/ConfigServlet"); + + return conf; + } + + private void initDataLoader(ServletContext ctxt, ServiceConfig conf) { + DataLoader load = new DataLoader(ctxt,conf); + ctxt.setAttribute("dataloader", load); + load.doLoad(); + } + + private void initCircuitBreakers(ServletContext ctxt, ServiceConfig conf) { + CircuitBreakerManager mgr = CircuitBreakerManager.getManager(); + + AccountingCircuitBreaker osm = new AccountingCircuitBreaker("osm", conf); + mgr.addCircuitBreaker( osm ); + + AccountingCircuitBreaker google = new AccountingCircuitBreaker("google", conf); + mgr.addCircuitBreaker( google ); + + + // + CircuitBreakerServletBase servlet = new CircuitBreakerServletBase(); + ServletRegistration.Dynamic dynconf = ctxt.addServlet("circuitbreaker", servlet); + dynconf.addMapping("/CircuitBreakerServlet"); + dynconf.setInitParameter("readonly", "1"); + + } + }