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

/**
 * 
 * @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, "\n", " ");
      }

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

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