Create oracleClientProviderBean

Author: DylanW01

.idea/dataSources.xml

@@ -52,6 +52,12 @@
             <artifactId>gson</artifactId>
             <version>2.10.1</version>
         </dependency>
+        <dependency>
+            <groupId>com.oracle.database.jdbc</groupId>
+            <artifactId>ojdbc8-production</artifactId>
+            <version>21.1.0.0</version>
+            <type>pom</type>
+        </dependency>
     </dependencies>
 
     <build>

pom.xml

@@ -0,0 +1,43 @@
+package EJB;
+
+import jakarta.annotation.PostConstruct;
+import jakarta.ejb.Lock;
+import jakarta.ejb.LockType;
+import jakarta.ejb.Singleton;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+@Singleton(name = "OracleClientProviderEJB")
+public class OracleClientProviderBean {
+    private Connection oracleClient = null;
+
+    @Lock(LockType.READ)
+    public Connection getOracleClient() {return oracleClient;}
+
+    @PostConstruct
+    public void init() {
+        try {
+            Class.forName("oracle.jdbc.driver.OracleDriver");
+
+        } catch (ClassNotFoundException e) {
+            System.out.println("Oracle JDBC Driver Not Found");
+            e.printStackTrace();
+        }
+        try {
+            oracleClient = DriverManager.getConnection(
+                    "jdbc:oracle:thin:@//oracle.glos.ac.uk:1521/orclpdb.chelt.local",
+                    "s4002608",
+                    "s4002608!");
+            if (oracleClient != null) {
+                System.out.println("Connected!");
+            } else {
+                System.out.println("Connection to DB failed");
+            }
+        } catch(SQLException e) {
+            System.out.println("Connection to DB failed. Check console.");
+            e.printStackTrace();
+        }
+
+    }
+}