plantuml/src/net/sourceforge/plantuml/Log.java

86 lines
2.4 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2013, Arnaud Roques
*
* Project Info: http://plantuml.sourceforge.net
*
* This file is part of PlantUML.
*
* PlantUML 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.
*
* PlantUML 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* Original Author: Arnaud Roques
*
* Revision $Revision: 9786 $
*
*/
package net.sourceforge.plantuml;
public abstract class Log {
private static final long start = System.currentTimeMillis();
public synchronized static void debug(String s) {
}
public synchronized static void info(String s) {
if (OptionFlags.getInstance().isVerbose()) {
System.out.println(format(s));
}
}
public synchronized static void error(String s) {
System.err.println(s);
}
private static String format(String s) {
final long delta = System.currentTimeMillis() - start;
final StringBuilder sb = new StringBuilder();
sb.append("(");
sb.append(delta / 1000L);
sb.append(".");
sb.append(String.format("%03d", delta % 1000L));
sb.append(" - ");
final long total = (Runtime.getRuntime().totalMemory()) / 1024 / 1024;
final long free = (Runtime.getRuntime().freeMemory()) / 1024 / 1024;
sb.append(total);
sb.append(" Mo) ");
sb.append(free);
sb.append(" Mo - ");
sb.append(s);
return sb.toString();
}
public static void println(Object s) {
if (header == null) {
System.err.println("L = " + s);
} else {
System.err.println(header + " " + s);
}
}
private static String header;
public static void header(String s) {
header = s;
}
}