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66 lines (56 loc) · 1.23 KB
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package javaforce;
/** DebugState
*
* Continuously updates debug info.
*
* To view real time : watch -n 1 cat debug.log
*
* To install watch : pacman -S procps-ng
*
* @author pquiring
*/
import java.io.*;
import javaforce.*;
public class DebugState extends Thread {
private RandomAccessFile file;
private boolean active = true;
private Runnable runnable;
private StringBuilder sb = new StringBuilder();
public DebugState(String filename, Runnable update) {
this.runnable = update;
try {
file = new RandomAccessFile(filename, "rw");
} catch (Exception e) {
JFLog.log(e);
}
}
public void write(String msg) {
sb.append(msg);
sb.append("\n");
}
private void flush() {
try {
file.setLength(0);
file.write(sb.toString().getBytes());
} catch (Exception e) {
JFLog.log(e);
}
}
public void cancel() {
active = false;
}
private static String mark = "*********************************************\n";
public void run() {
setName("DebugState");
while (active) {
sb.setLength(0);
sb.append(mark);
try {
runnable.run();
} catch (Exception e) {}
sb.append(mark);
flush();
JF.sleep(1000);
}
}
}