thoerup/traininfoservice/SettingsListener.java

package dk.thoerup.traininfoservice;

import java.util.logging.Logger;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletRegistration;
import javax.servlet.annotation.WebListener;

import dk.thoerup.webconfig.ConfigServlet;


/**
 * Application Lifecycle Listener implementation class JmxListener
 *
 */
@WebListener
public class SettingsListener implements ServletContextListener {

        Logger logger = Logger.getLogger(SettingsListener.class.getName());


        /**
     * @see ServletContextListener#contextInitialized(ServletContextEvent)
     */
    public void contextInitialized(ServletContextEvent sce) {
        logger.warning("Context Init - Loading settings");

                ServletContext cxt = sce.getServletContext();
                TraininfoSettings settings = loadSettings(cxt);
                
                
                ConfigServlet servlet = new ConfigServlet();
                servlet.setConfigObject( settings );
                ServletRegistration.Dynamic dynconf = cxt.addServlet("webconfig", servlet );
                dynconf.addMapping("/ConfigServlet");

    }
    
    public static TraininfoSettings loadSettings(ServletContext cxt) {
        TraininfoSettings settings = (TraininfoSettings) cxt.getAttribute("settings"); 
        if (settings != null)  
                return settings;
        
                settings = new TraininfoSettings();
                settings.useazuresite = Boolean.parseBoolean( cxt.getInitParameter("useazuresite") );
                settings.cache_timeout = Integer.parseInt( cxt.getInitParameter("cache_timeout") );
                settings.reply_timeout = Integer.parseInt( cxt.getInitParameter("reply_timeout") );
        settings.banedk_threshold = Integer.parseInt(cxt.getInitParameter("banedk_threshold") );
        settings.banedk_timeout = Integer.parseInt( cxt.getInitParameter("banedk_timeout") );
        
        settings.stats_interval = Integer.parseInt( cxt.getInitParameter("stats_interval") );

                cxt.setAttribute("settings", settings);
                
                return settings;
    }

        /**
     * @see ServletContextListener#contextDestroyed(ServletContextEvent)
     */
    public void contextDestroyed(ServletContextEvent sce) {
    }
        
}
1	torben	1303	package dk.thoerup.traininfoservice;
2
3			import java.util.logging.Logger;
4
5			import javax.servlet.ServletContext;
6			import javax.servlet.ServletContextEvent;
7			import javax.servlet.ServletContextListener;
8	torben	1320	import javax.servlet.ServletRegistration;
9	torben	1303	import javax.servlet.annotation.WebListener;
10
11	torben	1320	import dk.thoerup.webconfig.ConfigServlet;
12	torben	1303
13
14	torben	1320
15	torben	1303	/**
16			* Application Lifecycle Listener implementation class JmxListener
17			*
18			*/
19			@WebListener
20			public class SettingsListener implements ServletContextListener {
21
22			Logger logger = Logger.getLogger(SettingsListener.class.getName());
23
24
25			/**
26			* @see ServletContextListener#contextInitialized(ServletContextEvent)
27			*/
28			public void contextInitialized(ServletContextEvent sce) {
29			logger.warning("Context Init - Loading settings");
30
31			ServletContext cxt = sce.getServletContext();
32	torben	1320	TraininfoSettings settings = loadSettings(cxt);
33
34
35			ConfigServlet servlet = new ConfigServlet();
36			servlet.setConfigObject( settings );
37			ServletRegistration.Dynamic dynconf = cxt.addServlet("webconfig", servlet );
38			dynconf.addMapping("/ConfigServlet");
39	torben	1303
40	torben	1316	}
41
42			public static TraininfoSettings loadSettings(ServletContext cxt) {
43			TraininfoSettings settings = (TraininfoSettings) cxt.getAttribute("settings");
44			if (settings != null)
45			return settings;
46
47			settings = new TraininfoSettings();
48	torben	1303	settings.useazuresite = Boolean.parseBoolean( cxt.getInitParameter("useazuresite") );
49			settings.cache_timeout = Integer.parseInt( cxt.getInitParameter("cache_timeout") );
50			settings.reply_timeout = Integer.parseInt( cxt.getInitParameter("reply_timeout") );
51	torben	1316	settings.banedk_threshold = Integer.parseInt(cxt.getInitParameter("banedk_threshold") );
52			settings.banedk_timeout = Integer.parseInt( cxt.getInitParameter("banedk_timeout") );
53
54			settings.stats_interval = Integer.parseInt( cxt.getInitParameter("stats_interval") );
55	torben	1303
56	torben	1316	cxt.setAttribute("settings", settings);
57
58			return settings;
59	torben	1303	}
60
61			/**
62			* @see ServletContextListener#contextDestroyed(ServletContextEvent)
63			*/
64			public void contextDestroyed(ServletContextEvent sce) {
65			}
66
67			}