Merge pull request #14 from BorderTech/refactor-submodules

Provide a ServletContextListener to release cache resources. Closes #8.

Author: jonathanaustin

taskmaster-cache-helper/pom.xml

@@ -38,5 +38,12 @@
 			<artifactId>cache-api</artifactId>
 		</dependency>
 
+		<!-- Servlet Interface -->
+		<dependency>
+			<groupId>javax.servlet</groupId>
+			<artifactId>servlet-api</artifactId>
+			<scope>provided</scope>
+		</dependency>
+
 	</dependencies>
 </project>

taskmaster-cache-helper/src/main/java/com/github/bordertech/taskmaster/cache/servlet/CachingProviderListener.java

@@ -0,0 +1,26 @@
+package com.github.bordertech.taskmaster.cache.servlet;
+
+import javax.cache.Caching;
+import javax.cache.spi.CachingProvider;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+/**
+ * Cleanup any cache resources when servlet context destroyed.
+ */
+public class CachingProviderListener implements ServletContextListener {
+
+	@Override
+	public void contextInitialized(final ServletContextEvent sce) {
+		// Do nothing
+	}
+
+	@Override
+	public void contextDestroyed(final ServletContextEvent sce) {
+		CachingProvider provider = Caching.getCachingProvider();
+		if (provider != null && !provider.getCacheManager().isClosed()) {
+			provider.getCacheManager().close();
+		}
+	}
+
+}

taskmaster-cache-helper/src/main/java/com/github/bordertech/taskmaster/cache/servlet/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * Task Master Cache Servlet Helpers.
+ */
+package com.github.bordertech.taskmaster.cache.servlet;