/**
* SQL-DK
* Copyright © 2013 František Kučera (frantovo.cz)
*
* This program 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.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package info.globalcode.sql.dk.logging;
import info.globalcode.sql.dk.ColorfulPrintWriter;
import static info.globalcode.sql.dk.ColorfulPrintWriter.TerminalColor;
import static info.globalcode.sql.dk.ColorfulPrintWriter.TerminalStyle;
import static info.globalcode.sql.dk.Functions.rpad;
import java.io.StringWriter;
import java.util.logging.Formatter;
import java.util.logging.Level;
import java.util.logging.LogRecord;
/**
* For console/terminal log output. Log messages are printed in brief and colorful form.
*
* @author Ing. František Kučera (frantovo.cz)
*/
public class ColorfulConsoleFormatter extends Formatter {
private boolean printStacktrace = false;
@Override
public String format(LogRecord r) {
StringWriter sw = new StringWriter();
try (ColorfulPrintWriter out = new ColorfulPrintWriter(sw)) {
printLevel(out, r.getLevel());
printMessage(out, r);
printThrowable(out, r);
out.println();
}
return sw.toString();
}
private void printLevel(ColorfulPrintWriter out, Level l) {
TerminalColor color = TerminalColor.Magenta;
if (l == Level.SEVERE) {
color = TerminalColor.Red;
} else if (l == Level.WARNING) {
color = TerminalColor.Yellow;
}
out.print(color, rpad(l.getLocalizedName() + ": ", 10));
}
private void printMessage(ColorfulPrintWriter out, LogRecord r) {
out.print(formatMessage(r));
}
private void printThrowable(ColorfulPrintWriter out, LogRecord r) {
Throwable t = r.getThrown();
if (t != null) {
out.print(": ");
out.print(TerminalColor.Red, t.getClass().getSimpleName());
String message = t.getLocalizedMessage();
if (message != null) {
out.print(": ");
if (printStacktrace) {
out.print(message);
} else {
out.print(message.replaceAll("\\n", " "));
}
}
if (printStacktrace) {
out.println();
out.setForegroundColor(TerminalColor.Yellow);
out.setStyle(TerminalStyle.Dim);
t.printStackTrace(out);
out.resetAll();
}
}
}
public boolean isPrintStacktrace() {
return printStacktrace;
}
public void setPrintStacktrace(boolean printStacktrace) {
this.printStacktrace = printStacktrace;
}
}