franta-hg@55: /**
franta-hg@55:  * SQL-DK
franta-hg@55:  * Copyright © 2013 František Kučera (frantovo.cz)
franta-hg@55:  *
franta-hg@55:  * This program is free software: you can redistribute it and/or modify
franta-hg@55:  * it under the terms of the GNU General Public License as published by
franta-hg@250:  * the Free Software Foundation, version 3 of the License.
franta-hg@55:  *
franta-hg@55:  * This program is distributed in the hope that it will be useful,
franta-hg@55:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
franta-hg@55:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
franta-hg@55:  * GNU General Public License for more details.
franta-hg@55:  *
franta-hg@55:  * You should have received a copy of the GNU General Public License
franta-hg@55:  * along with this program. If not, see <http://www.gnu.org/licenses/>.
franta-hg@55:  */
franta-hg@55: package info.globalcode.sql.dk.logging;
franta-hg@55: 
franta-hg@55: import info.globalcode.sql.dk.ColorfulPrintWriter;
franta-hg@55: import static info.globalcode.sql.dk.ColorfulPrintWriter.TerminalColor;
franta-hg@55: import static info.globalcode.sql.dk.ColorfulPrintWriter.TerminalStyle;
franta-hg@55: import static info.globalcode.sql.dk.Functions.rpad;
franta-hg@55: import java.io.StringWriter;
franta-hg@55: import java.util.logging.Formatter;
franta-hg@55: import java.util.logging.Level;
franta-hg@55: import java.util.logging.LogRecord;
franta-hg@55: 
franta-hg@55: /**
franta-hg@155:  * For console/terminal log output. Log messages are printed in brief and colorful form.
franta-hg@55:  *
franta-hg@55:  * @author Ing. František Kučera (frantovo.cz)
franta-hg@55:  */
franta-hg@55: public class ColorfulConsoleFormatter extends Formatter {
franta-hg@55: 
franta-hg@59: 	private boolean printStacktrace = false;
franta-hg@59: 
franta-hg@55: 	@Override
franta-hg@55: 	public String format(LogRecord r) {
franta-hg@55: 		StringWriter sw = new StringWriter();
franta-hg@55: 		try (ColorfulPrintWriter out = new ColorfulPrintWriter(sw)) {
franta-hg@55: 			printLevel(out, r.getLevel());
franta-hg@55: 			printMessage(out, r);
franta-hg@59: 			printThrowable(out, r);
franta-hg@55: 			out.println();
franta-hg@55: 		}
franta-hg@55: 		return sw.toString();
franta-hg@55: 	}
franta-hg@55: 
franta-hg@55: 	private void printLevel(ColorfulPrintWriter out, Level l) {
franta-hg@55: 		TerminalColor color = TerminalColor.Magenta;
franta-hg@55: 
franta-hg@55: 		if (l == Level.SEVERE) {
franta-hg@55: 			color = TerminalColor.Red;
franta-hg@55: 		} else if (l == Level.WARNING) {
franta-hg@55: 			color = TerminalColor.Yellow;
franta-hg@55: 		}
franta-hg@55: 
franta-hg@55: 		out.print(color, rpad(l.getLocalizedName() + ": ", 10));
franta-hg@55: 	}
franta-hg@55: 
franta-hg@55: 	private void printMessage(ColorfulPrintWriter out, LogRecord r) {
franta-hg@55: 		out.print(formatMessage(r));
franta-hg@55: 	}
franta-hg@55: 
franta-hg@59: 	private void printThrowable(ColorfulPrintWriter out, LogRecord r) {
franta-hg@59: 		Throwable t = r.getThrown();
franta-hg@55: 		if (t != null) {
franta-hg@55: 			out.print(": ");
franta-hg@55: 			out.print(TerminalColor.Red, t.getClass().getSimpleName());
franta-hg@55: 			String message = t.getLocalizedMessage();
franta-hg@55: 			if (message != null) {
franta-hg@55: 				out.print(": ");
franta-hg@182: 				if (printStacktrace) {
franta-hg@182: 					out.print(message);
franta-hg@182: 				} else {
franta-hg@182: 					out.print(message.replaceAll("\\n", " "));
franta-hg@182: 				}
franta-hg@55: 			}
franta-hg@59: 			if (printStacktrace) {
franta-hg@59: 				out.println();
franta-hg@59: 				out.setForegroundColor(TerminalColor.Yellow);
franta-hg@59: 				out.setStyle(TerminalStyle.Dim);
franta-hg@59: 				t.printStackTrace(out);
franta-hg@59: 				out.resetAll();
franta-hg@59: 			}
franta-hg@55: 		}
franta-hg@55: 	}
franta-hg@59: 
franta-hg@59: 	public boolean isPrintStacktrace() {
franta-hg@59: 		return printStacktrace;
franta-hg@59: 	}
franta-hg@59: 
franta-hg@59: 	public void setPrintStacktrace(boolean printStacktrace) {
franta-hg@59: 		this.printStacktrace = printStacktrace;
franta-hg@59: 	}
franta-hg@55: }