From 66503524db1c667d6e2282b333d1aca3ec284fcb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Tue, 14 Mar 2017 10:00:27 +0100
Subject: java : vaadin : add HelloWorldServlet

---
 java/vaadin/build.xml                              |  1 +
 java/vaadin/src/main/WebContent/WEB-INF/web.xml    | 28 ++++------------
 java/vaadin/src/main/java/ch/asynk/HelloWorld.java |  2 ++
 .../src/main/java/ch/asynk/HelloWorldServlet.java  | 37 ++++++++++++++++++++++
 4 files changed, 47 insertions(+), 21 deletions(-)
 create mode 100644 java/vaadin/src/main/java/ch/asynk/HelloWorldServlet.java

diff --git a/java/vaadin/build.xml b/java/vaadin/build.xml
index b1ee9f4..f7024ce 100644
--- a/java/vaadin/build.xml
+++ b/java/vaadin/build.xml
@@ -97,6 +97,7 @@
             deprecation="${compile.deprecation}"
             optimize="${compile.optimize}"
             includeantruntime="false">
+            <classpath refid="cp.tomcat"/>
             <classpath refid="ivy.deps.server-side"/>
             <compilerarg value="-Xlint:all"/>
             <compilerarg value="-Xlint:-path"/>
diff --git a/java/vaadin/src/main/WebContent/WEB-INF/web.xml b/java/vaadin/src/main/WebContent/WEB-INF/web.xml
index f4b7f85..6e03c3d 100644
--- a/java/vaadin/src/main/WebContent/WEB-INF/web.xml
+++ b/java/vaadin/src/main/WebContent/WEB-INF/web.xml
@@ -19,27 +19,13 @@
         <!-- <tracking-mode>COOKIE</tracking-mode> -->
     </session-config>
 
-    <servlet>
-        <servlet-name>default</servlet-name>
-        <servlet-class>com.vaadin.server.VaadinServlet</servlet-class>
-        <init-param>
-            <description>Vaadin application class to start</description>
-            <param-name>UI</param-name>
-            <param-value>ch.asynk.HelloWorld</param-value>
-        </init-param>
-        <async-supported>true</async-supported>
-    </servlet>
-    <servlet-mapping>
-        <servlet-name>default</servlet-name>
-        <url-pattern>/*</url-pattern>
-    </servlet-mapping>
 
     <!-- <welcome-file-list> -->
-        <!--   <welcome-file>index.html</welcome-file> -->
-        <!--   <welcome-file>index.htm</welcome-file> -->
-        <!--   <welcome-file>index.jsp</welcome-file> -->
-        <!--   <welcome-file>default.html</welcome-file> -->
-        <!--   <welcome-file>default.htm</welcome-file> -->
-        <!--   <welcome-file>default.jsp</welcome-file> -->
-        <!-- </welcome-file-list> -->
+    <!--       <welcome-file>index.html</welcome-file> -->
+    <!--       <welcome-file>index.htm</welcome-file> -->
+    <!--       <welcome-file>index.jsp</welcome-file> -->
+    <!--       <welcome-file>default.html</welcome-file> -->
+    <!--       <welcome-file>default.htm</welcome-file> -->
+    <!--       <welcome-file>default.jsp</welcome-file> -->
+    <!-- </welcome-file-list> -->
 </web-app>
diff --git a/java/vaadin/src/main/java/ch/asynk/HelloWorld.java b/java/vaadin/src/main/java/ch/asynk/HelloWorld.java
index f15bddd..c9f807e 100644
--- a/java/vaadin/src/main/java/ch/asynk/HelloWorld.java
+++ b/java/vaadin/src/main/java/ch/asynk/HelloWorld.java
@@ -1,5 +1,6 @@
 package ch.asynk;
 
+import com.vaadin.annotations.PreserveOnRefresh;
 import com.vaadin.annotations.Theme;
 import com.vaadin.annotations.Title;
 import com.vaadin.server.VaadinRequest;
@@ -15,6 +16,7 @@ import com.vaadin.ui.VerticalLayout;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+@PreserveOnRefresh
 @Title("Hello!!")
 @Theme("mytheme")
 public class HelloWorld extends UI
diff --git a/java/vaadin/src/main/java/ch/asynk/HelloWorldServlet.java b/java/vaadin/src/main/java/ch/asynk/HelloWorldServlet.java
new file mode 100644
index 0000000..e4092f2
--- /dev/null
+++ b/java/vaadin/src/main/java/ch/asynk/HelloWorldServlet.java
@@ -0,0 +1,37 @@
+package ch.asynk;
+
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.ServletException;
+
+import com.vaadin.annotations.VaadinServletConfiguration;
+import com.vaadin.server.ServiceException;
+import com.vaadin.server.SessionInitEvent;
+import com.vaadin.server.SessionInitListener;
+import com.vaadin.server.SessionDestroyEvent;
+import com.vaadin.server.SessionDestroyListener;
+import com.vaadin.server.VaadinServlet;
+
+@WebServlet(value = "/*", asyncSupported = true)
+@VaadinServletConfiguration(productionMode = false, ui = ch.asynk.HelloWorld.class, closeIdleSessions = true)
+public class HelloWorldServlet extends VaadinServlet implements SessionInitListener, SessionDestroyListener
+{
+    private static final long serialVersionUID = 511085337415583793L;
+    @Override
+    protected void servletInitialized() throws ServletException {
+        super.servletInitialized();
+        getService().addSessionInitListener(this);
+        getService().addSessionDestroyListener(this);
+    }
+
+    @Override
+    public void sessionInit(SessionInitEvent event) throws ServiceException
+    {
+        event.getSession().setLocale(new java.util.Locale("fr", "CH"));
+        System.err.println("sessionInit");
+    }
+
+    @Override
+    public void sessionDestroy(SessionDestroyEvent event) {
+        System.err.println("sessionDestroy");
+    }
+}
-- 
cgit v1.1-2-g2b99