ghña

src/java/saii/dominio/DB/ReligionDataDB.java

+/*
+ * 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 saii.dominio.DB;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import saii.dominio.ReligionData;
+
+/**
+ *
+ * @author Agapormis
+ * 
+ * 
+ */
+public class ReligionDataDB {
+    public static int insertarReligionData(ReligionData religion) {
+        if (religion == null) {
+            throw new IllegalArgumentException("Religion igual a null");
+        }
+        ConnectionPool pool = ConnectionPool.getInstance();
+        Connection connection = (Connection) pool.getConnection();
+        PreparedStatement ps = null;
+        String query = "INSERT INTO ReligionData(year, country, religionName, religionNamePer, numberPeople) VALUES (?,?,?,?,?)";
+        try {
+            ps = connection.prepareStatement(query);
+            ps.setString(1, religion.getYear() + "");
+            ps.setString(2, religion.getCountry() + "");
+            ps.setString(3, religion.getReligionName() + "");
+            ps.setString(4, religion.getReligionNamePer()+ "");
+            ps.setString(5, religion.getNumberPeople()+ "");
+            int res = ps.executeUpdate();
+            ps.close();
+            pool.freeConnection(connection);
+            return res;
+        } catch (SQLException e) {
+            e.printStackTrace();
+            return 0;
+        }
+    }
+    
+   
+public static ReligionData selectYear(int year) {
+
+        ConnectionPool pool = ConnectionPool.getInstance();
+        Connection connection = pool.getConnection();
+        PreparedStatement ps = null;
+        ResultSet rs = null;
+        String query = "SELECT * FROM ReligionData WHERE year = ?";
+        try {
+            ps = connection.prepareStatement(query);
+            ps.setString(1, year + "");
+            rs = ps.executeQuery();
+            ReligionData religion = null;
+            if (rs.next()) {
+                religion = new ReligionData();
+                religion.setYear((int) Double.parseDouble(rs.getString("year")));
+                religion.setCountry(rs.getString("country"));
+                religion.setReligionName(rs.getString("religionName"));
+                religion.setReligionNamePer(Double.parseDouble(rs.getString("religionNamePer")));
+                religion.setNumberPeople((int) Double.parseDouble(rs.getString("numberPeople")));
+
+            }
+            rs.close();
+            ps.close();
+            pool.freeConnection(connection);
+            return religion;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+
+  
+public static ReligionData selectCountry(int country) {
+
+        ConnectionPool pool = ConnectionPool.getInstance();
+        Connection connection = pool.getConnection();
+        PreparedStatement ps = null;
+        ResultSet rs = null;
+        String query = "SELECT * FROM ReligionData WHERE country = ?";
+        try {
+            ps = connection.prepareStatement(query);
+            ps.setString(1, country + "");
+            rs = ps.executeQuery();
+            ReligionData religion = null;
+            if (rs.next()) {
+                religion = new ReligionData();
+                religion.setYear((int) Double.parseDouble(rs.getString("year")));
+                religion.setCountry(rs.getString("country"));
+                religion.setReligionName(rs.getString("religionName"));
+                religion.setReligionNamePer(Double.parseDouble(rs.getString("religionNamePer")));
+                religion.setNumberPeople((int) Double.parseDouble(rs.getString("numberPeople")));
+
+            }
+            rs.close();
+            ps.close();
+            pool.freeConnection(connection);
+            return religion;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+
+  
+public static ReligionData selectReligionName(int religionName) {
+
+        ConnectionPool pool = ConnectionPool.getInstance();
+        Connection connection = pool.getConnection();
+        PreparedStatement ps = null;
+        ResultSet rs = null;
+        String query = "SELECT * FROM ReligionData WHERE religionName = ?";
+        try {
+            ps = connection.prepareStatement(query);
+            ps.setString(1, religionName + "");
+            rs = ps.executeQuery();
+            ReligionData religion = null;
+            if (rs.next()) {
+                religion = new ReligionData();
+                religion.setYear((int) Double.parseDouble(rs.getString("year")));
+                religion.setCountry(rs.getString("country"));
+                religion.setReligionName(rs.getString("religionName"));
+                religion.setReligionNamePer(Double.parseDouble(rs.getString("religionNamePer")));
+                religion.setNumberPeople((int) Double.parseDouble(rs.getString("numberPeople")));
+
+            }
+            rs.close();
+            ps.close();
+            pool.freeConnection(connection);
+            return religion;
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+}