Stored procedure utilities : Store Procedure « Database SQL JDBC « Java

Stored procedure utilities

import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.SQLException;

import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;

public class StoredProcUtil {

  private static DataSource pool;

  private static Context env;

  static {

    try {

      env = (Context) new InitialContext().lookup("java:comp/env");

      pool = (DataSource) env.lookup("jdbc/oracle-8i-athletes");

      if (pool == null)
        throw new Exception(
            "'oracle-8i-athletes' is an unknown DataSource");

    } catch (Exception e) {




  public static void addRaceEvent(String name, String location, String date) {

    if ((!check(name)) || (!check(location)) || (!check(date)))
      throw new IllegalArgumentException(
          "Invalid param values passed to addRaceEvent()");

    Connection conn = null;

    try {

      conn = pool.getConnection();

      if (conn == null)
        throw new SQLException(
            "Invalid Connection in addRaceEvent method");

      CallableStatement cs = null;

      //Create an instance of the CallableStatement
      cs = conn.prepareCall("{call addEvent (?,?,?)}");

      cs.setString(1, name);
      cs.setString(2, location);
      cs.setString(3, date);

      //Call the inherited PreparedStatement.executeUpdate() method

      // return the connection to the pool

    } catch (SQLException sqle) {


  private static boolean check(String value) {

    if (value == null || value.equals(""))
      return false;

    return true;



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