NET/worlds/network/CacheFile.java


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package NET.worlds.network;

import NET.worlds.console.Cursor;
import java.util.Observer;

public class CacheFile {
   private URL url;
   private CacheEntry entry;
   private boolean active;

   CacheFile(URL u, CacheEntry e) {
      this.url = u;
      this.active = true;
      this.entry = e;
      if (e != null) {
         e.incRef();
      }
   }

   @Override
   public void finalize() {
      if (this.active) {
         this.active = false;
         if (this.entry != null) {
            this.entry.safeDecRef();
         }
      }
   }

   public synchronized void close() {
      this.finalize();
   }

   public synchronized void markTemporary() {
      if (this.entry != null) {
         this.entry.remoteTime = 0L;
      }
   }

   public boolean isActive() {
      return this.active;
   }

   public void callWhenLoaded(Observer o) {
      if (this.entry == null) {
         o.update(null, this.url);
      } else {
         this.entry.addObserver(o);
      }
   }

   public void waitUntilLoaded() {
      if (this.entry != null) {
         synchronized (this.entry) {
            Cursor c = Cursor.getActive();
            if (c == null) {
               c = new Cursor(URL.make("system:WAIT_CURSOR"));
               c.activate();
            }

            URL oldCursor = c.getURL();
            c.setURL(URL.make("system:WAIT_CURSOR"));

            while (this.active && !this.done()) {
               try {
                  this.entry.wait();
               } catch (InterruptedException var5) {
               }
            }

            c.setURL(oldCursor);
         }
      }
   }

   public boolean error() {
      return this.entry == null ? false : this.entry.state == 5 || this.entry.state == 6;
   }

   public boolean done() {
      return this.entry == null ? true : this.entry.done();
   }

   public String getLocalName() {
      return this.entry != null ? this.entry.localName : this.url.unalias();
   }

   public int bytesLoaded() {
      return this.entry.bytes;
   }
}