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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.formatter;

import fr.ms.lang.StringUtils;
import fr.ms.log4jdbc.rdbms.RdbmsSpecifics;
import fr.ms.log4jdbc.sql.FormatQuery;
import fr.ms.log4jdbc.utils.Log4JdbcProperties;

/**
 *
 * @see Marco4J
 *
 *
 * @author Marco Semiao
 *
 */
public class DefaultFormatQuery implements FormatQuery {

    private final static Log4JdbcProperties props = Log4JdbcProperties.getInstance();

    private final static SQLFormatter sqlFormatter = SQLFormatterFactory.getInstance();

    private final static FormatQuery INSTANCE = new DefaultFormatQuery();

    private DefaultFormatQuery() {
    }

    public final static FormatQuery getInstance() {
	return INSTANCE;
    }

    public String format(String sql, final RdbmsSpecifics rdbms) {

	final String style = props.logRequeteStyleSQL();

	if (Log4JdbcProperties.REQUETE_SQL_STYLE_FORMAT.equals(style)) {
	    sql = sqlFormatter.prettyPrint(sql, rdbms);
	} else {
	    if (Log4JdbcProperties.REQUETE_SQL_STYLE_ONELINE.equals(style)) {
		sql = StringUtils.replaceAll(sql, "\r", " ");
		sql = StringUtils.replaceAll(sql, "\n", " ");
	    }

	    if (!props.logRequeteCommentSQL()) {
		sql = rdbms.removeComment(sql);
	    }
	}

	if (props.logRequeteSemiColonAddSQL()) {
	    sql = sql.trim();
	    if (!sql.endsWith(";")) {
		sql = sql + ";";
	    }
	}
	return sql;
    }
}