/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (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.<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);
}
}