/*
 * IzPack - Copyright 2001-2016 The IzPack project team.
 * All Rights Reserved.
 *
 * http://izpack.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.izforge.izpack.compiler.logging;

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

/**
 * Java Util Logging formatter for the compiler (Maven style)
 */
public class MavenStyleLogFormatter extends Formatter
{
    private final String LINE_SEPARATOR = System.getProperty("line.separator");

    @Override
    public String format(LogRecord record)
    {
        StringBuilder sb = new StringBuilder();

        sb.append("[")
                .append(record.getLevel().getLocalizedName())
                .append("] ")
                .append(formatMessage(record))
                .append(LINE_SEPARATOR);

        if (record.getThrown() != null) {
            try {
                StringWriter sw = new StringWriter();
                PrintWriter pw = new PrintWriter(sw);
                record.getThrown().printStackTrace(pw);
                pw.close();
                sb.append(sw.toString());
            } catch (Exception ex) {
                // ignore
            }
        }

        return sb.toString();
    }
}
