Created
November 17, 2010 14:10
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Java text console progressbar
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import java.lang.Math.*; | |
public class Progressbar { | |
private int max; | |
private int current; | |
private String name; | |
private long start; | |
private long lastUpdate; | |
public Progressbar(int max, String name) | |
{ | |
this.start = System.currentTimeMillis(); | |
this.name = name; | |
this.max = max; | |
System.out.println(this.name+":"); | |
this.printBar(false); | |
} | |
public void setVal(int i) | |
{ | |
this.current = i; | |
if((System.currentTimeMillis() - this.lastUpdate)>1000){ | |
this.lastUpdate = System.currentTimeMillis(); | |
this.printBar(false); | |
} | |
} | |
public void finish() | |
{ | |
this.current = this.max; | |
this.printBar(true); | |
} | |
private void printBar(boolean finished) | |
{ | |
double numbar= Math.floor(20*(double)current/(double)max); | |
String strbar = ""; | |
int ii = 0; | |
for(ii = 0; ii < numbar; ii++){ | |
strbar += "="; | |
} | |
for(ii = (int)numbar; ii < 20; ii++){ | |
strbar += " "; | |
} | |
long elapsed = (System.currentTimeMillis() - this.start); | |
int seconds = (int)(elapsed / 1000)%60; | |
int minutes = (int)(elapsed / 1000)/60; | |
String strend = String.format("%02d",minutes)+":"+String.format("%02d",seconds); | |
String strETA = ""; | |
if (elapsed < 2000){ | |
strETA = "--:--"; | |
}else{ | |
long timeETA = elapsed * (long)((double)max/(double)current); | |
int ETAseconds = (int)(timeETA /1000)%60; | |
int ETAminutes = (int)(timeETA /1000)/60; | |
strETA = String.format("%02d",ETAminutes)+":"+String.format("%02d",ETAseconds); | |
} | |
if(finished){ | |
strend = "Finished: "+strend+" "; | |
}else{ | |
strend = "Elapsed: "+strend+" ETA: "+strETA+" "; | |
} | |
System.out.print("|"+strbar+"| "+strend); | |
if(finished){ | |
System.out.print("\n"); | |
}else{ | |
System.out.print("\r"); | |
} | |
} | |
} |
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