protected URL getResourceURL(final File file, final String resourceName) {
   try {
     JarFile jarFile = this.jarFiles.get(file);
     if (jarFile == null && file.isDirectory()) {
       final File resource = new File(file, resourceName);
       if (resource.exists()) {
         try {
           return AntClassLoader.FILE_UTILS.getFileURL(resource);
         } catch (MalformedURLException ex) {
           return null;
         }
       }
     } else {
       if (jarFile == null) {
         if (!file.exists()) {
           return null;
         }
         jarFile = new JarFile(file);
         this.jarFiles.put(file, jarFile);
         jarFile = this.jarFiles.get(file);
       }
       final JarEntry entry = jarFile.getJarEntry(resourceName);
       if (entry != null) {
         try {
           return new URL("jar:" + AntClassLoader.FILE_UTILS.getFileURL(file) + "!/" + entry);
         } catch (MalformedURLException ex) {
           return null;
         }
       }
     }
   } catch (Exception e) {
     final String msg = "Unable to obtain resource from " + file + ": ";
     this.log(msg + e, 1);
     System.err.println(msg);
     e.printStackTrace();
   }
   return null;
 }
 private InputStream getResourceStream(final File file, final String resourceName) {
   try {
     JarFile jarFile = this.jarFiles.get(file);
     if (jarFile == null && file.isDirectory()) {
       final File resource = new File(file, resourceName);
       if (resource.exists()) {
         return new FileInputStream(resource);
       }
     } else {
       if (jarFile == null) {
         if (!file.exists()) {
           return null;
         }
         jarFile = new JarFile(file);
         this.jarFiles.put(file, jarFile);
         jarFile = this.jarFiles.get(file);
       }
       final JarEntry entry = jarFile.getJarEntry(resourceName);
       if (entry != null) {
         return jarFile.getInputStream(entry);
       }
     }
   } catch (Exception e) {
     this.log(
         "Ignoring Exception "
             + e.getClass().getName()
             + ": "
             + e.getMessage()
             + " reading resource "
             + resourceName
             + " from "
             + file,
         3);
   }
   return null;
 }