package NET.worlds.scape;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Hashtable;

public class WobClassLoader extends ClassLoader {
   static Hashtable loaders = new Hashtable();
   Hashtable classes = new Hashtable();
   String zipName;

   public static synchronized Class get(String zipName, String cname) {
      WobClassLoader cl = (WobClassLoader)loaders.get(zipName);
      if (cl == null) {
         cl = new WobClassLoader(zipName);
         loaders.put(zipName, cl);
      }

      try {
         return cl.loadClass(cname, true);
      } catch (ClassNotFoundException var4) {
         return null;
      }
   }

   public WobClassLoader(String n) {
      this.zipName = n;
   }

   @Override
   protected synchronized Class loadClass(String cname, boolean resolve) throws ClassNotFoundException {
      Class cl = (Class)this.classes.get(cname);
      if (cl == null) {
         try {
            return this.findSystemClass(cname);
         } catch (NoClassDefFoundError var7) {
         } catch (ClassNotFoundException var8) {
         }

         byte[] data = this.loadData(cname);
         if (data != null) {
            try {
               cl = this.defineClass(data, 0, data.length);
            } catch (ClassFormatError var6) {
               throw new ClassNotFoundException(cname);
            }
         }

         if (cl == null || !cname.equals(cl.getName())) {
            throw new ClassNotFoundException(cname);
         }

         this.classes.put(cname, cl);
      }

      if (resolve) {
         this.resolveClass(cl);
      }

      return cl;
   }

   private byte[] loadData(String cname) {
      byte[] data = (byte[])null;
      InputStream in = null;

      byte[] var7;
      try {
         if (cname == null) {
            return null;
         }

         File file = new File(this.zipName);
         int len = (int)file.length();
         in = new FileInputStream(file);
         data = new byte[len];
         if (in.read(data) != len) {
            return null;
         }

         var7 = data;
      } catch (Exception var16) {
         return null;
      } finally {
         if (in != null) {
            try {
               in.close();
            } catch (Exception var15) {
            }
         }
      }

      return var7;
   }
}