https://github.com/pgjdbc/pgjdbc: Java JDBC 4.2 (JRE 8+) driver for PostgreSQL database (PostgreSQL Global Development Group)
  • Dave Cramer
  • Kris Jurka
  • Oliver Jowett
  • Craig Ringer
  • Vladimir Sitnikov 
/*
 * Copyright (c) 2004, PostgreSQL Global Development Group
 * See the LICENSE file in the project root for more information.
 */

package org.postgresql.util;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JdbcBlackHole {
  public static void close(Connection con) {
    try {
      if (con != null) {
        con.close();
      }
    } catch (SQLException e) {
      /* ignore for now */
    }
  }

  public static void close(Statement s) {
    try {
      if (s != null) {
        s.close();
      }
    } catch (SQLException e) {
      /* ignore for now */
    }
  }

  public static void close(ResultSet rs) {
    try {
      if (rs != null) {
        rs.close();
      }
    } catch (SQLException e) {
      /* ignore for now */
    }
  }
}