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150 lines (139 loc) · 3.79 KB
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import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;
public class PersonDao {
final String dbHost="localhost:8889";
final String dbDatabase="its2";
final String dbUser="root";
final String dbPassword="root";
private final String dbUrl="jdbc:mysql://"
+ dbHost +"/"
+ dbDatabase + "?user="
+ dbUser + "&password="
+ dbPassword;
public void create(Address person){
Connection connection = null;
try{
System.out.println("in create with person" + person);
//register the driver
Class.forName("com.mysql.jdbc.Driver");
//I'll connect to the database
connection = DriverManager.getConnection(dbUrl);
Statement statement = connection.createStatement();
//Create the Sql Statement
String sql = "insert into person (Id,Name) values ("
+ person.getId()
+ ", '"
+ person.getName()
+ "');";
System.out.println(sql);
//and send the Sql statement to the database
statement.executeUpdate(sql);
}catch(Exception e){
e.printStackTrace();
}finally{
if (connection!=null){
try {
connection.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public void update(Address person){
Connection connection = null;
try{
System.out.println("in update with person" + person);
//register the driver
Class.forName("com.mysql.jdbc.Driver");
//I'll connect to the database
connection = DriverManager.getConnection(dbUrl);
Statement statement = connection.createStatement();
//Create the Sql Statement
String sql = "update person" + " set name = '"
+ person.getName()
+ "'" + " where id ="
+ person.getId()
+ ";";
System.out.println(sql);
//and send the Sql statement to the database
statement.executeUpdate(sql);
}catch(Exception e){
e.printStackTrace();
}finally{
if (connection!=null){
try {
connection.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public void delete(Address person){
Connection connection = null;
try{
System.out.println("You have deleted " + person + " from Table 'Person'" );
//register the driver
Class.forName("com.mysql.jdbc.Driver");
//I'll connect to the database
connection = DriverManager.getConnection(dbUrl);
Statement statement = connection.createStatement();
//Create the Sql Statement
String sql = "delete from person where id ="
+ person.getId()
+ ";";
System.out.println(sql);
//and send the Sql statement to the database
statement.executeUpdate(sql);
}catch(Exception e){
e.printStackTrace();
}finally{
if (connection!=null){
try {
connection.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public List<Address> getAll(){
List<Address> list = new ArrayList<Address>();
Connection connection = null;
try{
Class.forName("com.mysql.jdbc.Driver");
connection = DriverManager.getConnection(dbUrl);
Statement statement = connection.createStatement();
String sql="select * from person";
System.out.println(sql);
ResultSet result = statement.executeQuery(sql);
while(result.next()){
Address tempPerson = new Address();
Long id = result.getLong("id");
tempPerson.setId(id);
String name = result.getString("name");
tempPerson.setName(name);
list.add(tempPerson);
}
}catch(Exception e){
e.printStackTrace();
}finally{
try {
connection.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return list;
}
}