/*
* This file is part of dependency-check-core.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright (c) 2013 Jeremy Long. All Rights Reserved.
*/
package org.owasp.dependencycheck.utils;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.owasp.dependencycheck.data.nvdcve.DatabaseException;
/**
*
* @author Jeremy Long <jeremy.long@owasp.org>
*/
public final class DBUtils {
/**
* The logger.
*/
private static final Logger LOGGER = Logger.getLogger(DBUtils.class.getName());
/**
* Private constructor for a utility class.
*/
private DBUtils() {
}
/**
* Returns the generated integer primary key for a newly inserted row.
*
* @param statement a prepared statement that just executed an insert
* @return a primary key
* @throws DatabaseException thrown if there is an exception obtaining the key
*/
public static int getGeneratedKey(PreparedStatement statement) throws DatabaseException {
ResultSet rs = null;
int id = 0;
try {
rs = statement.getGeneratedKeys();
if (!rs.next()) {
throw new DatabaseException("Unable to get primary key for inserted row");
}
id = rs.getInt(1);
} catch (SQLException ex) {
throw new DatabaseException("Unable to get primary key for inserted row");
} finally {
closeResultSet(rs);
}
return id;
}
/**
* Closes the given statement object ignoring any exceptions that occur.
*
* @param statement a Statement object
*/
public static void closeStatement(Statement statement) {
if (statement != null) {
try {
statement.close();
} catch (SQLException ex) {
LOGGER.log(Level.FINEST, statement.toString(), ex);
}
}
}
/**
* Closes the result set capturing and ignoring any SQLExceptions that occur.
*
* @param rs a ResultSet to close
*/
public static void closeResultSet(ResultSet rs) {
if (rs != null) {
try {
rs.close();
} catch (SQLException ex) {
LOGGER.log(Level.FINEST, rs.toString(), ex);
}
}
}
}