fr.paris.lutece.plugins.updater.util.sql.SqlUtils.java Source code

Introduction

Here is the source code for fr.paris.lutece.plugins.updater.util.sql.SqlUtils.java

Source

/*
 * Copyright (c) 2002-2014, Mairie de Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.updater.util.sql;

import fr.paris.lutece.portal.service.plugin.Plugin;
import fr.paris.lutece.portal.service.util.AppLogService;
import fr.paris.lutece.util.sql.Transaction;

import org.apache.commons.io.FileUtils;

import java.io.File;
import java.io.IOException;

import java.sql.SQLException;

import java.util.StringTokenizer;

/**
 * SQL utils
 */
public final class SqlUtils {
    /**
     * Private constructor
     */
    private SqlUtils() {
    }

    /**
     * Executes a SQL script file
     * @param strFilename The filename
     * @param plugin The plugin
     * @throws IOException If an IO exception occurs
     * @throws SQLException If an SQL exception occurs
     */
    public static void executeSqlFileScript(String strFilename, Plugin plugin) throws IOException, SQLException {
        try {
            File file = new File(strFilename);
            String strScript = FileUtils.readFileToString(file);
            executeSqlScript(strScript, plugin);
        } catch (IOException ex) {
            AppLogService.error("updater - execute SQL script error : " + ex.getMessage(), ex);
            throw ex;
        }
    }

    /**
     * Executes an SQL script
     * @param strScript An SQL script
     * @param plugin The plugin
     * @throws SQLException If an SQL exception occurs
     */
    public static void executeSqlScript(String strScript, Plugin plugin) throws SQLException {
        String strCleanScript = strScript.substring(0, strScript.lastIndexOf(";"));
        StringTokenizer st = new StringTokenizer(strCleanScript, ";");

        Transaction transaction = new Transaction();

        try {
            while (st.hasMoreTokens()) {
                String strSQL = st.nextToken();
                transaction.prepareStatement(strSQL);
                transaction.executeStatement();
            }

            transaction.commit();
        } catch (SQLException ex) {
            transaction.rollback(ex);
            AppLogService.error("Execute SQL script error : " + ex.getMessage() + " - transaction rolled back.",
                    ex);
            throw ex;
        }
    }
}