daoas/adressevedligehold/ContextListener.java

package dk.daoas.adressevedligehold;

/*
 * Denne Serivce bruger log4j og det kræver at tomcat leder efter log4j
 * Tomcat 7 <7.0.43 ignores all JAR files named log4j*.jar, which prevents this feature from working. 
 * This has been fixed in Tomcat 7.0.43, Tomcat 8, and later. 
 * In Tomcat 7 <7.0.43 you will need to change catalina.properties and remove "log4j*.jar" from the jarsToSkip property. 
 * You may need to do something similar on other containers if they skip scanning Log4j JAR files. 
 * 
 */

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.Charset;
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.thoerup.webconfig.ConfigServlet;
import dk.thoerup.webconfig.PropertiesConfigLoader;

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

    public void contextDestroyed(ServletContextEvent ctxtEvt)  { 
    }

    @Override
    public void contextInitialized(ServletContextEvent ctxtEvt)  {
        System.out.println("Starting DAO Context");
        
        
        
        ServletContext ctxt = ctxtEvt.getServletContext();
        
        try {
                initConfig(ctxt);
        } catch (IOException e) {
                System.out.println("Error loading config " + e.getMessage());                   
                throw new RuntimeException(e);
        }
        
        
        System.out.println("DAO Context done");
    }
    

        
    
    private ServiceConfig initConfig(ServletContext ctxt) throws IOException {
        
        final String CONF_FILE_NAME = "daoadressevedligehold.conf";
        
        
        ServiceConfig conf = ServiceConfig.getInstance();
        
        String file = null;
        if (SystemUtils.IS_OS_WINDOWS) {
                file = "C:\\" + CONF_FILE_NAME;
        } else {
                file = "/etc/" + CONF_FILE_NAME;
        }
    
        Properties propsFile = new Properties();
        try ( Reader reader = new InputStreamReader(new FileInputStream(file), Charset.forName("UTF-8")) ) {
                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;            
    }
    
        
}
1	torben	2878	package dk.daoas.adressevedligehold;
2
3	torben	2903	/*
4			* Denne Serivce bruger log4j og det kræver at tomcat leder efter log4j
5			* Tomcat 7 <7.0.43 ignores all JAR files named log4j*.jar, which prevents this feature from working.
6			* This has been fixed in Tomcat 7.0.43, Tomcat 8, and later.
7			* In Tomcat 7 <7.0.43 you will need to change catalina.properties and remove "log4j*.jar" from the jarsToSkip property.
8			* You may need to do something similar on other containers if they skip scanning Log4j JAR files.
9			*
10			*/
11	torben	2878
12			import java.io.FileInputStream;
13			import java.io.IOException;
14			import java.io.InputStreamReader;
15			import java.io.Reader;
16			import java.nio.charset.Charset;
17			import java.util.Properties;
18
19			import javax.servlet.ServletContext;
20			import javax.servlet.ServletContextEvent;
21			import javax.servlet.ServletContextListener;
22			import javax.servlet.ServletRegistration;
23			import javax.servlet.annotation.WebListener;
24
25			import org.apache.commons.lang3.SystemUtils;
26
27			import dk.thoerup.webconfig.ConfigServlet;
28			import dk.thoerup.webconfig.PropertiesConfigLoader;
29
30			/**
31			* Application Lifecycle Listener implementation class ContextListener
32			*
33			*/
34			@WebListener
35			public class ContextListener implements ServletContextListener {
36
37
38
39			public void contextDestroyed(ServletContextEvent ctxtEvt) {
40			}
41
42			@Override
43			public void contextInitialized(ServletContextEvent ctxtEvt) {
44			System.out.println("Starting DAO Context");
45
46
47
48			ServletContext ctxt = ctxtEvt.getServletContext();
49
50			try {
51			initConfig(ctxt);
52			} catch (IOException e) {
53			System.out.println("Error loading config " + e.getMessage());
54			throw new RuntimeException(e);
55			}
56
57
58			System.out.println("DAO Context done");
59			}
60
61
62
63
64			private ServiceConfig initConfig(ServletContext ctxt) throws IOException {
65
66			final String CONF_FILE_NAME = "daoadressevedligehold.conf";
67
68
69			ServiceConfig conf = ServiceConfig.getInstance();
70
71			String file = null;
72			if (SystemUtils.IS_OS_WINDOWS) {
73			file = "C:\\" + CONF_FILE_NAME;
74			} else {
75			file = "/etc/" + CONF_FILE_NAME;
76			}
77
78			Properties propsFile = new Properties();
79			try ( Reader reader = new InputStreamReader(new FileInputStream(file), Charset.forName("UTF-8")) ) {
80			propsFile.load(reader);
81			}
82
83
84			new PropertiesConfigLoader(propsFile).loadConfig(conf);
85
86
87			ctxt.setAttribute("config", conf);
88
89			// /////////////////////////////////////
90			ConfigServlet servlet = new ConfigServlet();
91			servlet.setConfigObject( conf );
92			ServletRegistration.Dynamic dynconf = ctxt.addServlet("webconfig", servlet );
93			dynconf.addMapping("/ConfigServlet");
94
95			return conf;
96			}
97
98
99			}