/*
* #%L
* gitools-utils
* %%
* Copyright (C) 2013 Universitat Pompeu Fabra - Biomedical Genomics group
* %%
* 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/gpl-3.0.html>.
* #L%
*/
package org.gitools.utils.progressmonitor;
import org.gitools.api.analysis.IProgressMonitor;
import java.io.PrintStream;
public class StreamProgressMonitor extends DefaultProgressMonitor {
private static final String indentString = " ";
private final PrintStream out;
private long timer;
private int lastPercentage;
private String tabs;
private boolean flag;
private boolean showingbar = false;
private final boolean verbose;
private final boolean debug;
protected StreamProgressMonitor(IProgressMonitor parent, PrintStream out, boolean verbose, boolean debug) {
super(parent);
this.out = out;
this.flag = false;
this.tabs = "";
this.verbose = verbose;
this.debug = debug;
}
public StreamProgressMonitor(PrintStream out, boolean verbose, boolean debug) {
this(null, out, verbose, debug);
}
@Override
public void begin(String title, long totalWork) {
super.begin(title, totalWork);
flag = false;
showingbar = false;
tabs = tabbulate(level);
print("\n" + tabs + title + ": " + totalWork);
}
@Override
public void start() {
timer = System.currentTimeMillis();
}
@Override
public void title(String title) {
super.title(title);
print("\n" + tabs + title);
}
@Override
public void worked(long workInc) {
super.worked(workInc);
double progress = ((double) getWorked() / (double) totalWork);
int percentage = (int) Math.round(progress * 100);
if (percentage == lastPercentage) {
return;
}
if (!showingbar) {
print("\n");
showingbar = true;
}
int width = 70;
StringBuilder bar = new StringBuilder(width + 5);
bar.append("\r[");
int i = 0;
for (; i <= (int) (progress * width); i++) {
bar.append(".");
}
for (; i < width; i++) {
bar.append(" ");
}
bar.append("] ").append(percentage).append("%");
print(bar.toString());
lastPercentage = percentage;
}
@Override
public IProgressMonitor subtask() {
IProgressMonitor subtask = createSubtaskMonitor(this, out, verbose, debug);
subtask.setLevel(level + 1);
flag = true;
return subtask;
}
protected IProgressMonitor createSubtaskMonitor(IProgressMonitor parentMonitor, PrintStream out, boolean verbose, boolean debug) {
return new StreamProgressMonitor(parentMonitor, out, verbose, debug);
}
@Override
public void end() {
super.end();
long millis = System.currentTimeMillis() - timer;
long secs = (millis / 1000) % 60;
long mins = (long) ((double) millis / (60.0 * 1000.0));
String time = "";
if (millis < 10000) {
time = Long.toString(millis) + " millisecs";
} else {
time = Long.toString(mins) + " mins - " + Long.toString(secs) + " secs";
}
if (flag) {
print("\n" + tabs + title + " " + time);
} else {
print("\n " + time);
}
print("\n");
}
@Override
public void exception(Throwable cause) {
super.exception(cause);
print("\n\nEXCEPTION: " + cause.getLocalizedMessage());
}
@Override
public void info(String msg) {
if (verbose) {
log(msg);
}
}
@Override
public void debug(String msg) {
if (debug) {
log(msg);
}
}
private void log(String msg) {
print("\n" + tabs + indentString + msg);
flag = true;
}
protected void print(String text) {
out.print(text);
}
private String tabbulate(int level) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < level; i++)
sb.append(indentString);
return sb.toString();
}
}