import java.sql.Connection;
public class ConDb{
private java.sql.Connection con = null;
private final String url = "jdbc:microsoft:sqlserver://";
private final String serverName= "localhost";
private final String portNumber = "1433";
private final String databaseName= "dataBase";
private final String userName = "sa";
private final String password = "senha";
// Informs the driver to use server a side-cursor,
// which permits more than one active statement
// on a Connection.
private final String selectMethod = "cursor";
// Constructor
public ConDb(){}
private String getConnectionUrl(){
return url+serverName+":"+portNumber+";databaseName="+databaseName+";selectMethod="+selectMethod+";";
}
public void getConnection(){
try{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
con = java.sql.DriverManager.getConnection(getConnectionUrl(),userName,password);
}catch(Exception e){
e.printStackTrace();
System.out.println("Error Trace in getConnection() : " + e.getMessage());
}
}
/*
Display the driver properties, database details
*/
public void displayDbProperties(){
java.sql.DatabaseMetaData dm = null;
java.sql.ResultSet rs = null;
try{
con= this.getConnection();
if(con!=null){
dm = con.getMetaData();
System.out.println("Driver Information");
System.out.println("\\tDriver Name: "+ dm.getDriverName());
System.out.println("\\tDriver Version: "+ dm.getDriverVersion ());
System.out.println("\\nDatabase Information ");
System.out.println("\\tDatabase Name: "+ dm.getDatabaseProductName());
System.out.println("\\tDatabase Version: "+ dm.getDatabaseProductVersion());
System.out.println("Avalilable Catalogs ");
rs = dm.getCatalogs();
while(rs.next()){
System.out.println("\\tcatalog: "+ rs.getString(1));
}
rs.close();
rs = null;
closeConnection();
}else System.out.println("Error: No active Connection");
}catch(Exception e){
e.printStackTrace();
}
dm=null;
}
private void closeConnection(){
try{
if(con!=null)
con.close();
con=null;
}catch(Exception e){
e.printStackTrace();
}
}
}