SingleLineFormatter.java

/*
 * The contents of this file are subject to the terms of the Common Development and
 * Distribution License (the License). You may not use this file except in compliance with the
 * License.
 *
 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
 * specific language governing permission and limitations under the License.
 *
 * When distributing Covered Software, include this CDDL Header Notice in each file and include
 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
 * Header, with the fields enclosed by brackets [] replaced by your own identifying
 * information: "Portions copyright [year] [name of copyright owner]".
 *
 * Copyright 2014 ForgeRock AS.
 */

package org.forgerock.openidm.patch.utils;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.logging.LogRecord;
import java.util.logging.SimpleFormatter;

/**
 * JUL log formatter to log messages on a single line.
 */
public class SingleLineFormatter extends SimpleFormatter {
    private static final String LINE_FORMAT = "%1$tb %1$td, %1$tY %1$tl:%1$tM:%1$tS %1$Tp %2$s %4$s: %5$s%6$s%n";

    @Override
    public String format(LogRecord record) {
        String message = formatMessage(record);
        String throwable = "";
        if (record.getThrown() != null) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            pw.println();
            record.getThrown().printStackTrace(pw);
            pw.close();
            throwable = sw.toString();
        }
        return String.format(LINE_FORMAT,
                record.getMillis(),
                record.getLoggerName(),
                record.getLoggerName(),
                record.getLevel().getLocalizedName(),
                message,
                throwable);
    }
}