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OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and efficiently.

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/*
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) Alkacon Software GmbH & Co. KG (http://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: http://www.alkacon.com
 *
 * For further information about OpenCms, please see the
 * project website: http://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.

* * @since 8.0.0 */ public final class CmsDbUtil { /** * Private constructor for static utility class.

*/ private CmsDbUtil() { // do nothing } /** * Fills a given prepared statement with parameters from a list of objects.

* * @param stmt the prepared statement * @param params the parameter objects * * @throws SQLException if something goes wrong */ public static void fillParameters(PreparedStatement stmt, List 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.

* * @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.

* * @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); } }