content: /*
   * This library is part of OpenCms -
   * the Open Source Content Management System
   *
   * Copyright (c) Alkacon Software GmbH & Co. KG (https://www.alkacon.com)
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
   * Lesser General Public License for more details.
   *
   * For further information about Alkacon Software, please see the
   * company website: https://www.alkacon.com
   *
   * For further information about OpenCms, please see the
   * project website: https://www.opencms.org
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package org.opencms.db;
  
  import java.sql.PreparedStatement;
  import java.sql.SQLException;
  import java.util.List;
  
  /**
   * Generic database utility functions.<p>
   *
   * @since 8.0.0
   */
  public final class CmsDbUtil {
  
      /**
       * Private constructor for static utility class.<p>
       */
      private CmsDbUtil() {
  
          // do nothing
  
      }
  
      /**
       * Fills a given prepared statement with parameters from a list of objects.<p>
       *
       * @param stmt the prepared statement
       * @param params the parameter objects
       *
       * @throws SQLException if something goes wrong
       */
      public static void fillParameters(PreparedStatement stmt, List<Object> params) throws SQLException {
  
          int i = 1;
          for (Object param : params) {
              if (param instanceof String) {
                  stmt.setString(i, (String)param);
              } else if (param instanceof Integer) {
                  stmt.setInt(i, ((Integer)param).intValue());
              } else if (param instanceof Long) {
                  stmt.setLong(i, ((Long)param).longValue());
              } else {
                  throw new IllegalArgumentException();
              }
              i += 1;
          }
      }
  
      /**
       * Creates an expression for comparing a column with a constant.<p>
       *
       * @param column the column name
       * @param o the constant
       *
       * @return the query expression
       */
      public static CmsSimpleQueryFragment columnEquals(String column, Object o) {
  
          return new CmsSimpleQueryFragment(column + " = ?", o);
      }
  
      /**
       * Creates an expression for matching a column with a constant pattern.<p>
       *
       * @param column the column name
       * @param str the pattern string
       *
       * @return the query expression
       */
      public static CmsSimpleQueryFragment columnLike(String column, String str) {
  
          return new CmsSimpleQueryFragment(column + " LIKE ? ", str);
      }
  }
  