cleanup work after metrics no longer needed in custom project

spring-security-mvc-custom/README.md

@@ -6,7 +6,6 @@
 ### Relevant Articles: 
 - [Spring Security Remember Me](http://www.baeldung.com/spring-security-remember-me)
 - [Redirect to different pages after Login with Spring Security](http://www.baeldung.com/spring_redirect_after_login)
-- [HttpSessionListener Example – Monitoring](http://www.baeldung.com/httpsessionlistener_with_metrics)
 
 
 ### Build the Project

spring-security-mvc-custom/pom.xml

@@ -93,12 +93,12 @@
         </dependency>
 
         <!-- ops -->
-        
-        <dependency>
-            <groupId>com.codahale.metrics</groupId>
-            <artifactId>metrics-core</artifactId>
-            <version>3.0.1</version>
-        </dependency>
+
+        <!-- <dependency> -->
+        <!-- <groupId>com.codahale.metrics</groupId> -->
+        <!-- <artifactId>metrics-core</artifactId> -->
+        <!-- <version>3.0.1</version> -->
+        <!-- </dependency> -->
 
         <!-- test scoped -->
 

spring-security-mvc-custom/src/main/java/org/baeldung/monitoring/MetricRegistrySingleton.java

@@ -1,25 +0,0 @@
-package org.baeldung.monitoring;
-
-import java.util.concurrent.TimeUnit;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.codahale.metrics.MetricRegistry;
-import com.codahale.metrics.Slf4jReporter;
-
-public final class MetricRegistrySingleton {
-
-    public static final MetricRegistry metrics = new MetricRegistry();
-
-    static {
-        Logger logger = LoggerFactory.getLogger("org.baeldung.monitoring");
-        final Slf4jReporter reporter = Slf4jReporter.forRegistry(metrics).outputTo(logger).convertRatesTo(TimeUnit.SECONDS).convertDurationsTo(TimeUnit.MILLISECONDS).build();
-        reporter.start(5, TimeUnit.MINUTES);
-    }
-
-    private MetricRegistrySingleton() {
-        throw new AssertionError();
-    }
-
-}

spring-security-mvc-custom/src/main/java/org/baeldung/web/SessionListenerWithMetrics.java

@@ -1,43 +0,0 @@
-package org.baeldung.web;
-
-import java.util.concurrent.atomic.AtomicInteger;
-
-import javax.servlet.http.HttpSessionEvent;
-import javax.servlet.http.HttpSessionListener;
-
-import org.baeldung.monitoring.MetricRegistrySingleton;
-
-import com.codahale.metrics.Counter;
-
-public class SessionListenerWithMetrics implements HttpSessionListener {
-
-    private final AtomicInteger activeSessions;
-
-    private final Counter counterOfActiveSessions;
-
-    public SessionListenerWithMetrics() {
-        super();
-
-        activeSessions = new AtomicInteger();
-        counterOfActiveSessions = MetricRegistrySingleton.metrics.counter("web.sessions.active.count");
-    }
-
-    // API
-
-    public final int getTotalActiveSession() {
-        return activeSessions.get();
-    }
-
-    @Override
-    public final void sessionCreated(final HttpSessionEvent event) {
-        activeSessions.incrementAndGet();
-        counterOfActiveSessions.inc();
-    }
-
-    @Override
-    public final void sessionDestroyed(final HttpSessionEvent event) {
-        activeSessions.decrementAndGet();
-        counterOfActiveSessions.dec();
-    }
-
-}

spring-security-mvc-custom/src/main/webapp/WEB-INF/web.xml

@@ -9,9 +9,6 @@
     <session-config>
         <session-timeout>1</session-timeout>
     </session-config>
-    <listener>
-        <listener-class>org.baeldung.web.SessionListenerWithMetrics</listener-class>
-    </listener>
 
     <!-- Spring root -->
     <context-param>

spring-security-mvc-session/README.md

@@ -4,8 +4,6 @@
 
 
 ### Relevant Articles: 
-- [Spring Security Remember Me](http://www.baeldung.com/spring-security-remember-me)
-- [Redirect to different pages after Login with Spring Security](http://www.baeldung.com/spring_redirect_after_login)
 - [HttpSessionListener Example – Monitoring](http://www.baeldung.com/httpsessionlistener_with_metrics)