Merge pull request payara#37 from smillidge/master

Add a Websocket example

Java-EE/WebSockets/Readme.md

@@ -0,0 +1,7 @@
+#Simple Websocket example
+
+This example shows a simple echo web socket endpoint.
+
+Messages sent from the browser will be echoed back by the server.
+
+After building deploy the war file and browse to the root context.

Java-EE/WebSockets/nb-configuration.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project-shared-configuration>
+    <!--
+This file contains additional configuration written by modules in the NetBeans IDE.
+The configuration is intended to be shared among all the users of project and
+therefore it is assumed to be part of version control checkout.
+Without this configuration present, some functionality in the IDE may be limited or fail altogether.
+-->
+    <properties xmlns="http://www.netbeans.org/ns/maven-properties-data/1">
+        <!--
+Properties that influence various parts of the IDE, especially code formatting and the like. 
+You can copy and paste the single properties, into the pom.xml file and the IDE will pick them up.
+That way multiple projects can share the same settings (useful for formatting rules for example).
+Any value defined here will override the pom.xml file value but is only applicable to the current project.
+-->
+        <org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_j2eeVersion>1.7-web</org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_j2eeVersion>
+        <org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_deploy_2e_server>gfv3ee6</org-netbeans-modules-maven-j2ee.netbeans_2e_hint_2e_deploy_2e_server>
+    </properties>
+</project-shared-configuration>

Java-EE/WebSockets/pom.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+    <artifactId>Java-EE</artifactId>
+    <groupId>fish.payara.examples</groupId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+
+    <groupId>fish.payara.examples</groupId>
+    <artifactId>WebSockets</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>war</packaging>
+
+    <name>WebSockets</name>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax</groupId>
+            <artifactId>javaee-web-api</artifactId>
+            <version>7.0</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>2.3</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

Java-EE/WebSockets/src/main/java/fish/payara/examples/websockets/EchoWebSocketServer.java

@@ -0,0 +1,54 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package fish.payara.examples.websockets;
+
+import java.io.IOException;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.enterprise.context.ApplicationScoped;
+import javax.websocket.OnClose;
+import javax.websocket.OnError;
+import javax.websocket.OnMessage;
+import javax.websocket.OnOpen;
+import javax.websocket.Session;
+import javax.websocket.server.ServerEndpoint;
+
+/**
+ *
+ * @author steve
+ */
+@ApplicationScoped
+@ServerEndpoint("/echo")
+public class EchoWebSocketServer {
+
+    private static final Logger logger = Logger.getLogger(EchoWebSocketServer.class.getName());
+
+    @OnOpen
+    public void onOpen(Session session) {
+        logger.log(Level.INFO, "Opening Session {0}", session.getId());        
+    }
+
+    @OnClose
+    public void onClose(Session session) {
+        logger.log(Level.INFO, "Closing Session {0}", session.getId());
+    }
+
+    @OnError
+    public void onError(Throwable t) {
+        logger.log(Level.INFO,"onError",t);
+    }
+
+    @OnMessage
+    public void onMessage(String message, Session session) {
+        try {
+            logger.log(Level.INFO, "Received Message on Session {0}", session.getId());  
+            session.getBasicRemote().sendText(message);
+        } catch (IOException ex) {
+            logger.log(Level.SEVERE, null, ex);
+        }
+    }
+
+}

Java-EE/WebSockets/src/main/webapp/index.html

@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>Start Page</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+        <script type="text/javascript">
+
+            var ws = new WebSocket("ws://"+window.location.host+"/WebSockets-1.0-SNAPSHOT/echo");
+
+            ws.onopen = function() {
+                var messageArea = document.getElementById("messages");
+                messageArea.value += "Socket Opened\r\n";
+            }
+
+            ws.onmessage = function(evt) {
+                var messageArea = document.getElementById("messages");
+                messageArea.value += evt.data + "\r\n";
+            }
+
+            ws.onclose = function() {
+                var messageArea = document.getElementById("messages");
+                messageArea.value += "Socket Closed\r\n";                
+            }
+
+            function sendMessage() {
+                var message = document.getElementById("wsmessage").value;
+                ws.send(message);
+            }
+
+         </script>
+
+    </head>
+    <body>  
+
+    <h1>Web Sockets Example</h1>
+    Send a simple message to the server and see it echoed back
+    <div>
+        <input type="text" id="wsmessage"/>
+        <button type="button" onclick="sendMessage();">Send</button>
+    </div>
+    <div>
+        <textarea id="messages" cols="60" rows="10"></textarea>
+    </div>
+
+    </body>
+</html>

Java-EE/pom.xml

@@ -35,6 +35,7 @@ file and include the License file at packager/legal/LICENSE.txt.
     <module>simple-jms-example</module>
     <module>simple-rest-example</module>
     <module>jbatch-schedule</module>
+    <module>WebSockets</module>
   </modules>
   <dependencies>
     <dependency>
@@ -44,4 +45,4 @@ file and include the License file at packager/legal/LICENSE.txt.
       <scope>test</scope>
     </dependency>
   </dependencies>
-</project>
+</project>