org.sonar.db.profiling.SqlLogFormatter.java Source code

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Here is the source code for org.sonar.db.profiling.SqlLogFormatter.java

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/*
 * SonarQube
 * Copyright (C) 2009-2017 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program 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 3 of the License, or (at your option) any later version.
 *
 * This program 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.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.db.profiling;

import java.util.regex.Pattern;
import javax.annotation.Nullable;
import org.apache.commons.lang.StringUtils;

import static org.apache.commons.lang.StringUtils.abbreviate;

public class SqlLogFormatter {

    public static final int PARAM_MAX_WIDTH = 500;
    private static final String PARAM_NULL = "[null]";
    private static final Pattern NEWLINE_PATTERN = Pattern.compile("\\n");

    private SqlLogFormatter() {
        // only statics
    }

    public static String formatSql(String sql) {
        return StringUtils.replaceChars(sql, '\n', ' ');
    }

    public static String formatParam(@Nullable Object param) {
        if (param == null) {
            return PARAM_NULL;
        }
        String abbreviated = abbreviate(param.toString(), PARAM_MAX_WIDTH);
        return NEWLINE_PATTERN.matcher(abbreviated).replaceAll("\\\\n");
    }

    public static String formatParams(Object[] params) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < params.length; i++) {
            if (i > 0) {
                sb.append(", ");
            }
            sb.append(formatParam(params[i]));
        }
        return sb.toString();
    }

    public static int countArguments(String sql) {
        int argCount = 0;
        for (int i = 0; i < sql.length(); i++) {
            if (sql.charAt(i) == '?') {
                argCount++;
            }
        }
        return argCount;
    }
}