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session listener initial work

This commit is contained in:
eugenp 2013-08-01 23:53:50 +03:00
parent 9d37cea5b2
commit 33cc1f297a
3 changed files with 112 additions and 82 deletions
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7
spring-mvc-xml/src/main/webapp/WEB-INF/web.xml
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@ -1,10 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
xsi:schemaLocation=" xsi:schemaLocation="
http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
id="WebApp_ID" version="3.0">
<display-name>Spring MVC XML Application</display-name> <display-name>Spring MVC XML Application</display-name>
@ -40,7 +38,6 @@
<session-config> <session-config>
<session-timeout>10</session-timeout> <session-timeout>10</session-timeout>
</session-config> </session-config>
<welcome-file-list> <welcome-file-list>
<welcome-file>index.html</welcome-file> <welcome-file>index.html</welcome-file>
</welcome-file-list> </welcome-file-list>

32
spring-security-mvc-custom/src/main/java/org/baeldung/web/SessionListenerWithMetrics.java Normal file
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@ -0,0 +1,32 @@
package org.baeldung.web;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
public class SessionListenerWithMetrics implements HttpSessionListener {
private static int totalActiveSessions;
public SessionListenerWithMetrics() {
super();
}
// API
public static int getTotalActiveSession() {
return totalActiveSessions;
}
@Override
public void sessionCreated(final HttpSessionEvent arg0) {
totalActiveSessions++;
System.out.println("sessionCreated - add one session into counter");
}
@Override
public void sessionDestroyed(final HttpSessionEvent arg0) {
totalActiveSessions--;
System.out.println("sessionDestroyed - deduct one session from counter");
}
}

9
spring-security-mvc-custom/src/main/webapp/WEB-INF/web.xml
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@ -1,16 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
xsi:schemaLocation=" xsi:schemaLocation="
http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
id="WebApp_ID" version="3.0">
<display-name>Spring MVC Custom Application</display-name> <display-name>Spring MVC Custom Application</display-name>
<session-config> <session-config>
<session-timeout>1</session-timeout> <session-timeout>1</session-timeout>
</session-config> </session-config>
<listener>
<listener-class>org.baeldung.web.SessionListenerWithMetrics</listener-class>
</listener>
<!-- Spring root --> <!-- Spring root -->
<context-param> <context-param>