From 2d2cc3c924c5cd900880edbe6a5967b979e3579f Mon Sep 17 00:00:00 2001
From: NorbiPeti <szatmari.norbert.peter@gmail.com>
Date: Mon, 18 Jul 2016 14:36:33 +0200
Subject: [PATCH] Using JDA

---
 pom.xml                                        |  6 ++++++
 .../norbipeti/chat/server/IndexPage.java       |  2 +-
 src/io/github/norbipeti/chat/server/Main.java  | 14 +++++---------
 .../norbipeti/chat/server/db/DataProvider.java | 18 ++++++++++++++++++
 src/main/resources/META-INF/persistence.xml    | 11 +++++++++++
 5 files changed, 41 insertions(+), 10 deletions(-)
 create mode 100644 src/io/github/norbipeti/chat/server/db/DataProvider.java
 create mode 100644 src/main/resources/META-INF/persistence.xml

diff --git a/pom.xml b/pom.xml
index 21f4084..08db502 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,6 +28,12 @@
 			<artifactId>derbyclient</artifactId>
 			<version>10.12.1.1</version>
 		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.hibernate/hibernate-core -->
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-core</artifactId>
+			<version>5.2.1.Final</version>
+		</dependency>
 	</dependencies>
 	<properties>
 		<maven.compiler.source>1.8</maven.compiler.source>
diff --git a/src/io/github/norbipeti/chat/server/IndexPage.java b/src/io/github/norbipeti/chat/server/IndexPage.java
index 19994f0..015bbbf 100644
--- a/src/io/github/norbipeti/chat/server/IndexPage.java
+++ b/src/io/github/norbipeti/chat/server/IndexPage.java
@@ -8,7 +8,7 @@ public class IndexPage extends Page {
 
 	@Override
 	public void handle(HttpExchange exchange) throws IOException {
-
+		IOHelper.SendResponse(200, "<h1>Index</h1>", exchange);
 	}
 
 }
diff --git a/src/io/github/norbipeti/chat/server/Main.java b/src/io/github/norbipeti/chat/server/Main.java
index 3b851c5..364d8f3 100644
--- a/src/io/github/norbipeti/chat/server/Main.java
+++ b/src/io/github/norbipeti/chat/server/Main.java
@@ -11,6 +11,8 @@ import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.HttpHandler;
 import com.sun.net.httpserver.HttpServer;
 
+import io.github.norbipeti.chat.server.db.DataProvider;
+
 public class Main {
 	// public static final HashMap<String, Page> Pages = new HashMap<String,
 	// Page>();
@@ -20,15 +22,9 @@ public class Main {
 				// https://docs.oracle.com/javase/8/docs/jre/api/net/httpserver/spec/
 				// https://docs.oracle.com/javase/8/docs/api/
 			System.out.println("Loading database...");
-			Connection conn = DriverManager.getConnection("jdbc:derby:memory:chatserver;create=true");
-			Statement statement = conn.createStatement();
-			if (statement.execute("CREATE TABLE users ( username varchar(255), password varchar(255), id int )"))
-				System.out.println("Created users table");
-			else
-				System.out.println("Failed to create users table!");
-			ResultSet results = statement.executeQuery("SELECT * FROM users");
-			while (results.next())
-				results.getString(0);
+			try (DataProvider provider = new DataProvider()) {
+				
+			}
 			System.out.println("Starting webserver...");
 			HttpServer server = HttpServer.create(new InetSocketAddress(InetAddress.getLocalHost(), 8080), 10);
 			server.createContext("/").setHandler(new IndexPage());
diff --git a/src/io/github/norbipeti/chat/server/db/DataProvider.java b/src/io/github/norbipeti/chat/server/db/DataProvider.java
new file mode 100644
index 0000000..761c89f
--- /dev/null
+++ b/src/io/github/norbipeti/chat/server/db/DataProvider.java
@@ -0,0 +1,18 @@
+package io.github.norbipeti.chat.server.db;
+
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.Persistence;
+
+public class DataProvider implements AutoCloseable {
+	private EntityManagerFactory emf;
+
+	public DataProvider() {
+		Persistence.createEntityManagerFactory("ChatServerPU");
+	}
+
+	@Override
+	public void close() {
+		if (emf != null)
+			emf.close();
+	}
+}
diff --git a/src/main/resources/META-INF/persistence.xml b/src/main/resources/META-INF/persistence.xml
new file mode 100644
index 0000000..a7a89c1
--- /dev/null
+++ b/src/main/resources/META-INF/persistence.xml
@@ -0,0 +1,11 @@
+<persistence xmlns="http://java.sun.com/xml/ns/persistence"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
+	version="2.0">
+	<persistence-unit name="ChatServerPU">
+		<properties>
+			<property name="javax.persistence.jdbc.driver" value="org.apache.derby.jdbc.EmbeddedDriver" />
+			<property name="javax.persistence.jdbc.url" value="jdbc:derby:memory:chatserver;create=true" />
+		</properties>
+	</persistence-unit>
+</persistence>
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