Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ParameterMetaData;

public class Main {
    public static void main(String[] args) throws Exception {
        Connection conn = getMySqlConnection();
        // Step-2: identify the stored procedure
        String simpleProc = "{ call simpleproc(?) }";
        // Step-3: prepare the callable statement
        CallableStatement cs = conn.prepareCall(simpleProc);
        // Step-4: register output parameters ...
        cs.registerOutParameter(1, java.sql.Types.INTEGER);
        // Step-5: execute the stored procedures: proc3
        cs.execute();
        // Step-6: extract the output parameters
        int param1 = cs.getInt(1);
        System.out.println("param1=" + param1);
        // Step-7: get ParameterMetaData
        ParameterMetaData pmeta = cs.getParameterMetaData();
        if (pmeta == null) {
            System.out.println("Vendor does not support ParameterMetaData");
        } else {
            System.out.println(pmeta.getParameterType(1));
        }
        conn.close();
    }

    private static Connection getHSQLConnection() throws Exception {
        Class.forName("org.hsqldb.jdbcDriver");
        System.out.println("Driver Loaded.");
        String url = "jdbc:hsqldb:data/tutorial";
        return DriverManager.getConnection(url, "sa", "");
    }

    public static Connection getMySqlConnection() throws Exception {
        String driver = "org.gjt.mm.mysql.Driver";
        String url = "jdbc:mysql://localhost/demo2s";
        String username = "oost";
        String password = "oost";

        Class.forName(driver);
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }

    public static Connection getOracleConnection() throws Exception {
        String driver = "oracle.jdbc.driver.OracleDriver";
        String url = "jdbc:oracle:thin:@localhost:1521:caspian";
        String username = "mp";
        String password = "mp2";

        Class.forName(driver); // load Oracle driver
        Connection conn = DriverManager.getConnection(url, username, password);
        return conn;
    }
}