/* Author: Julie Romm
 * Course: COM3336
 * Professor: Karl Lieberherr
 * Homework 3, part 2
 */
 
 /* File: URLCycle.java
  * Classes implemented: URLCycle
  *
  * Purpose:
  *   This class implements an infinite loop within which 
  *   3 threads get created: a thread for accessing a ULR,
  *   a thread for timing out the first thread, and 
  *   a thread for concurrent execution of the first two threads.
  *   After concurrent thread is started, the current thread
  *   goes to sleep for the INTERVAL amount of milliseconds.
 */
 
import java.io.*;
import java.util.*;

public class URLCycle extends Thread {
  private String urlpath;
  private URLThread urlthread;
  private TimeOutThread timeoutthread;
  private ConcurrentThread concthread;
  private boolean status = false;
  

  //constructor
  public URLCycle(String urlpath){
    //System.out.println("URLCycle constructor");	
    this.urlpath = urlpath;
  }
  
  public void run() {
    for (;;) {
      urlthread = new URLThread(urlpath);
      timeoutthread = new TimeOutThread(urlthread);
      concthread = new ConcurrentThread(urlthread, timeoutthread);
      concthread.start();
      try { concthread.join(); }
      catch (InterruptedException e) {
          System.out.println("URLCycle: " + e);
      }
     
      status = concthread.getStatus();

      if (status == false) {
        System.out.println("Could not get the page at url " + urlpath);
      }
  
      try {Thread.sleep((long)(WebWatch.INTERVAL));}
	  catch (InterruptedException e){};
    }
  } 
}