/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.com
*
* This program is free software: you can redistribute it and/or modify it under the terms of the
* GNU Affero 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License along with this program.
* If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.gui.tools;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.logging.Formatter;
import java.util.logging.LogRecord;
/**
* A simple log formatter for dates. It outputs the format "yyyy-MM-dd HH:mm:ss"
*
* @author Simon Fischer
*
*/
public class LeanFormatter extends Formatter {
private final DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
@Override
public String format(LogRecord record) {
StringBuilder b = new StringBuilder();
b.append(dateFormat.format(new Date(record.getMillis())));
b.append(" ");
b.append(record.getLevel().getLocalizedName());
b.append(": ");
b.append(formatMessage(record));
String className = record.getSourceClassName();
if (className != null) {
int dot = className.lastIndexOf('.');
if (dot != -1) {
className = className.substring(dot + 1);
}
b.append(" (").append(className).append(".").append(record.getSourceMethodName()).append("())");
}
b.append("\n");
append(record.getThrown(), b);
return b.toString();
}
private void append(Throwable t, StringBuilder b) {
if (t != null) {
b.append(" ").append(t.toString()).append("\n");
for (StackTraceElement elem : t.getStackTrace()) {
b.append(" " + elem.toString()).append("\n");
}
if (t.getCause() != null) {
b.append("Caused by:\n");
append(t.getCause(), b);
}
}
}
}