private Class<?> findClassInComponents(final String name) throws ClassNotFoundException {
   final String classFilename = this.getClassFilename(name);
   final Enumeration<File> e = this.pathComponents.elements();
   while (e.hasMoreElements()) {
     final File pathComponent = e.nextElement();
     InputStream stream = null;
     try {
       stream = this.getResourceStream(pathComponent, classFilename);
       if (stream != null) {
         this.log("Loaded from " + pathComponent + " " + classFilename, 4);
         return this.getClassFromStream(stream, name, pathComponent);
       }
       continue;
     } catch (SecurityException se) {
       throw se;
     } catch (IOException ioe) {
       this.log(
           "Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")",
           3);
     } finally {
       FileUtils.close(stream);
     }
   }
   throw new ClassNotFoundException(name);
 }
 static {
   FILE_UTILS = FileUtils.getFileUtils();
   AntClassLoader.pathMap = Collections.synchronizedMap(new HashMap<String, String>());
   AntClassLoader.subClassToLoad = null;
   CONSTRUCTOR_ARGS = new Class[] {ClassLoader.class, Project.class, Path.class, Boolean.TYPE};
   if (JavaEnvUtils.isAtLeastJavaVersion("1.5")) {
     try {
       AntClassLoader.subClassToLoad =
           Class.forName("org.apache.tools.ant.loader.AntClassLoader5");
     } catch (ClassNotFoundException ex) {
     }
   }
 }
 protected void definePackage(
     final File container, final String packageName, final Manifest manifest) {
   final String sectionName = packageName.replace('.', '/') + "/";
   String specificationTitle = null;
   String specificationVendor = null;
   String specificationVersion = null;
   String implementationTitle = null;
   String implementationVendor = null;
   String implementationVersion = null;
   String sealedString = null;
   URL sealBase = null;
   final Attributes sectionAttributes = manifest.getAttributes(sectionName);
   if (sectionAttributes != null) {
     specificationTitle = sectionAttributes.getValue(Attributes.Name.SPECIFICATION_TITLE);
     specificationVendor = sectionAttributes.getValue(Attributes.Name.SPECIFICATION_VENDOR);
     specificationVersion = sectionAttributes.getValue(Attributes.Name.SPECIFICATION_VERSION);
     implementationTitle = sectionAttributes.getValue(Attributes.Name.IMPLEMENTATION_TITLE);
     implementationVendor = sectionAttributes.getValue(Attributes.Name.IMPLEMENTATION_VENDOR);
     implementationVersion = sectionAttributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION);
     sealedString = sectionAttributes.getValue(Attributes.Name.SEALED);
   }
   final Attributes mainAttributes = manifest.getMainAttributes();
   if (mainAttributes != null) {
     if (specificationTitle == null) {
       specificationTitle = mainAttributes.getValue(Attributes.Name.SPECIFICATION_TITLE);
     }
     if (specificationVendor == null) {
       specificationVendor = mainAttributes.getValue(Attributes.Name.SPECIFICATION_VENDOR);
     }
     if (specificationVersion == null) {
       specificationVersion = mainAttributes.getValue(Attributes.Name.SPECIFICATION_VERSION);
     }
     if (implementationTitle == null) {
       implementationTitle = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_TITLE);
     }
     if (implementationVendor == null) {
       implementationVendor = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_VENDOR);
     }
     if (implementationVersion == null) {
       implementationVersion = mainAttributes.getValue(Attributes.Name.IMPLEMENTATION_VERSION);
     }
     if (sealedString == null) {
       sealedString = mainAttributes.getValue(Attributes.Name.SEALED);
     }
   }
   if (sealedString != null && sealedString.equalsIgnoreCase("true")) {
     try {
       sealBase = new URL(FileUtils.getFileUtils().toURI(container.getAbsolutePath()));
     } catch (MalformedURLException ex) {
     }
   }
   this.definePackage(
       packageName,
       specificationTitle,
       specificationVersion,
       specificationVendor,
       implementationTitle,
       implementationVersion,
       implementationVendor,
       sealBase);
 }
 public static String getDefaultCRL() {
   if (UserPreferences.get("viewer", "x509crl") != null)
     return UserPreferences.get("viewer", "x509crl");
   return FileUtils.getVncHomeDir() + "x509_crl.pem";
 }