WebDev Hell

Semester 2/Exams/ProgrammingExam1Question5/src/main/java/edu/slcc/asdv/caleb/programmingexam1question5/JakartaRestConfiguration.java

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+package edu.slcc.asdv.caleb.programmingexam1question5;
+
+import jakarta.ws.rs.ApplicationPath;
+import jakarta.ws.rs.core.Application;
+
+/**
+ * Configures Jakarta RESTful Web Services for the application.
+ * @author Juneau
+ */
+@ApplicationPath("resources")
+public class JakartaRestConfiguration extends Application {
+    
+}

Semester 2/Exams/ProgrammingExam1Question5/src/main/java/edu/slcc/asdv/caleb/programmingexam1question5/resources/JakartaEE10Resource.java

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+package edu.slcc.asdv.caleb.programmingexam1question5.resources;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.core.Response;
+
+/**
+ *
+ * @author 
+ */
+@Path("jakartaee10")
+public class JakartaEE10Resource {
+    
+    @GET
+    public Response ping(){
+        return Response
+                .ok("ping Jakarta EE")
+                .build();
+    }
+}

Semester 2/Exams/ProgrammingExam1Question5/src/main/java/pojo/DBConnection.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package pojo;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+/**
+ *
+ * @author caleb
+ */
+public class DBConnection {
+         public Connection connection( 
+        String databaseName,
+        String userName,
+        String password,
+        String URL2 
+
+     ) //throws InstantiationException, IllegalAccessException
+    {
+
+
+    Connection con;
+        try
+          {// Load Sun's jdbc driver
+            Class.forName(URL2).newInstance();
+            System.out.println("JDBC Driver loaded!");
+          }
+        catch (Exception e) // driver not found
+          {
+            System.err.println("Unable to load database driver");
+            System.err.println("Details : " + e);
+            return null;
+          }
+        String ip = "localhost"; //internet connection
+        String url = "jdbc:mysql://" + ip + ":8889/" + databaseName + "?useSSL=false";
+        try
+          {
+            con = DriverManager.getConnection(url, userName, password);
+            con.setReadOnly(false);
+          }
+        catch (Exception e)
+          {
+            System.err.println(e.toString());
+            return null;
+          }
+        System.out.println("connection successfull");
+        return con;
+    }
+     
+     
+      public void closeDatabaseConnection( Connection con)
+    {
+        try
+          {
+            if (con != null)
+              {
+                con.close();
+              }
+          }
+        catch (SQLException e)
+          {
+            System.out.println(e);
+            e.printStackTrace();
+          }
+    }
+
+}

Semester 2/Exams/ProgrammingExam1Question5/src/main/java/pojo/DatabaseManipulation.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package pojo;
+
+import java.sql.Connection;
+import java.sql.ParameterMetaData;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+/**
+ *
+ * @author caleb
+ */
+public class DatabaseManipulation {
+    public List<Travel> listAll()
+    {
+        List<Travel> tavelTable = new ArrayList<Travel>();
+        String databaseName = "travel";
+        String userName = "java";
+        String password = "]7tSXk.vIKpEjAb.";
+        String URL2 = "com.mysql.jdbc.Driver";
+        Connection con = new DBConnection().connection(
+                databaseName, userName, password, URL2);
+        PreparedStatement ps = null;
+        try
+        {
+            if (con == null)
+            {
+                throw new RuntimeException("cannot connect to database");
+            }
+            String table = "";
+            ResultSet rs = null;
+            String sqlStr = "SELECT  *  FROM passenger";
+            //prepare statement
+            ps = con.prepareStatement(sqlStr);
+            //execute
+            rs = ps.executeQuery();
+            int row = 0;
+            while (rs.next())
+            {
+                int age = rs.getInt(1);
+                int pid = rs.getInt(2);
+                String pname = rs.getString(3);
+
+                Travel  travel = new Travel(age, pid, pname);
+                tavelTable.add(travel);
+                row++;
+            }
+        }
+        catch (Exception ex)
+        {
+            ex.printStackTrace();
+        }
+        finally
+        {
+            try
+            {
+                new DBConnection().closeDatabaseConnection(con);
+                // close the resources 
+                if (ps != null)
+                {
+                    ps.close();
+                }
+            }
+            catch (SQLException sqle)
+            {
+                sqle.printStackTrace();
+            }
+        }
+        return tavelTable;
+    }
+
+}
+

Semester 2/Exams/ProgrammingExam1Question5/src/main/java/pojo/Travel.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package pojo;
+
+/**
+ *
+ * @author caleb
+ */
+public class Travel {
+
+    private int age;
+    private int pid;
+    private String pname;
+
+    /**
+     * Get the value of pname
+     *
+     * @return the value of pname
+     */
+    public String getPname()
+    {
+        return pname;
+    }
+
+    /**
+     * Set the value of pname
+     *
+     * @param pname new value of pname
+     */
+    public void setPname(String pname)
+    {
+        this.pname = pname;
+    }
+
+
+    /**
+     * Get the value of pid
+     *
+     * @return the value of pid
+     */
+    public int getPid()
+    {
+        return pid;
+    }
+
+    /**
+     * Set the value of pid
+     *
+     * @param pid new value of pid
+     */
+    public void setPid(int pid)
+    {
+        this.pid = pid;
+    }
+
+    public Travel(int age, int pid, String pname)
+    {
+        this.age = age;
+        this.pid = pid;
+        this.pname = pname;
+    }
+
+
+    /**
+     * Get the value of age
+     *
+     * @return the value of age
+     */
+    public int getAge()
+    {
+        return age;
+    }
+
+    /**
+     * Set the value of age
+     *
+     * @param age new value of age
+     */
+    public void setAge(int age)
+    {
+        this.age = age;
+    }
+    
+}