mirror of https://github.com/octoleo/plantuml.git
146 lines
3.7 KiB
Java
146 lines
3.7 KiB
Java
/* ========================================================================
|
|
* PlantUML : a free UML diagram generator
|
|
* ========================================================================
|
|
*
|
|
* (C) Copyright 2009-2023, Arnaud Roques
|
|
*
|
|
* Project Info: http://plantuml.com
|
|
*
|
|
* If you like this project or if you find it useful, you can support us at:
|
|
*
|
|
* http://plantuml.com/patreon (only 1$ per month!)
|
|
* http://plantuml.com/paypal
|
|
*
|
|
* 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.
|
|
*
|
|
*
|
|
* Original Author: Arnaud Roques
|
|
*
|
|
*
|
|
*/
|
|
package net.sourceforge.plantuml;
|
|
|
|
import java.util.concurrent.atomic.AtomicInteger;
|
|
import java.util.logging.Handler;
|
|
import java.util.logging.Level;
|
|
import java.util.logging.LogRecord;
|
|
|
|
public class ProgressBar {
|
|
|
|
private static final java.util.logging.Logger logger;
|
|
|
|
static {
|
|
logger = java.util.logging.Logger.getLogger("com.plantuml.ProgressBar");
|
|
logger.setUseParentHandlers(false);
|
|
logger.addHandler(new StdErrHandler());
|
|
}
|
|
|
|
private static boolean enable;
|
|
private static String last = null;
|
|
private static final AtomicInteger total = new AtomicInteger();
|
|
private static final AtomicInteger done = new AtomicInteger();
|
|
|
|
private synchronized static void print(String message) {
|
|
logger.log(Level.INFO, buildClearMessage() + message);
|
|
last = message;
|
|
}
|
|
|
|
public synchronized static void clear() {
|
|
logger.log(Level.INFO, buildClearMessage());
|
|
last = null;
|
|
}
|
|
|
|
private static String buildClearMessage() {
|
|
if (last != null) {
|
|
StringBuilder sb = new StringBuilder();
|
|
for (int i = 0; i < last.length(); i++) {
|
|
sb.append("\b");
|
|
}
|
|
for (int i = 0; i < last.length(); i++) {
|
|
sb.append(" ");
|
|
}
|
|
for (int i = 0; i < last.length(); i++) {
|
|
sb.append("\b");
|
|
}
|
|
return sb.toString();
|
|
}
|
|
return "";
|
|
}
|
|
|
|
public static void incTotal(int nb) {
|
|
total.addAndGet(nb);
|
|
printBar(done.intValue(), total.intValue());
|
|
}
|
|
|
|
private synchronized static void printBar(int done, int total) {
|
|
if (enable == false) {
|
|
return;
|
|
}
|
|
if (total == 0) {
|
|
return;
|
|
}
|
|
print("[" + getBar(done, total) + "] " + done + "/" + total);
|
|
}
|
|
|
|
private static String getBar(int done, int total) {
|
|
final StringBuilder sb = new StringBuilder();
|
|
final int width = 30;
|
|
final int value = width * done / total;
|
|
for (int i = 0; i < width; i++) {
|
|
sb.append(i < value ? '#' : ' ');
|
|
}
|
|
return sb.toString();
|
|
}
|
|
|
|
public static void incDone(boolean error) {
|
|
done.incrementAndGet();
|
|
printBar(done.intValue(), total.intValue());
|
|
}
|
|
|
|
public static void setEnable(boolean value) {
|
|
enable = value;
|
|
}
|
|
|
|
private static class StdErrHandler extends Handler {
|
|
public StdErrHandler() {
|
|
}
|
|
|
|
@Override
|
|
public void publish(LogRecord record) {
|
|
String message = record.getMessage();
|
|
System.err.print(message);
|
|
this.flush();
|
|
}
|
|
|
|
@Override
|
|
public void flush() {
|
|
System.err.flush();
|
|
}
|
|
|
|
/**
|
|
* Override {@code StreamHandler.close} to do a flush but not to close the output stream.
|
|
* That is, we do <b>not</b> close {@code System.err}.
|
|
*/
|
|
@Override
|
|
public void close() {
|
|
flush();
|
|
}
|
|
}
|
|
}
|
|
|