211     }
 212 
 213 
 214     /* ---------------- Private members -------------- */
 215 
 216     // ACE Prefix is "xn--"
 217     private static final String ACE_PREFIX = "xn--";
 218     private static final int ACE_PREFIX_LENGTH = ACE_PREFIX.length();
 219 
 220     private static final int MAX_LABEL_LENGTH   = 63;
 221 
 222     // single instance of nameprep
 223     private static StringPrep namePrep = null;
 224 
 225     static {
 226         InputStream stream = null;
 227 
 228         try {
 229             final String IDN_PROFILE = "uidna.spp";
 230             if (System.getSecurityManager() != null) {
 231                 stream = AccessController.doPrivileged(new PrivilegedAction<InputStream>() {
 232                     public InputStream run() {
 233                         return StringPrep.class.getResourceAsStream(IDN_PROFILE);
 234                     }
 235                 });
 236             } else {
 237                 stream = StringPrep.class.getResourceAsStream(IDN_PROFILE);
 238             }
 239 
 240             namePrep = new StringPrep(stream);
 241             stream.close();
 242         } catch (IOException e) {
 243             // should never reach here
 244             assert false;
 245         }
 246     }
 247 
 248 
 249     /* ---------------- Private operations -------------- */
 250 
 251 

 211     }
 212 
 213 
 214     /* ---------------- Private members -------------- */
 215 
 216     // ACE Prefix is "xn--"
 217     private static final String ACE_PREFIX = "xn--";
 218     private static final int ACE_PREFIX_LENGTH = ACE_PREFIX.length();
 219 
 220     private static final int MAX_LABEL_LENGTH   = 63;
 221 
 222     // single instance of nameprep
 223     private static StringPrep namePrep = null;
 224 
 225     static {
 226         InputStream stream = null;
 227 
 228         try {
 229             final String IDN_PROFILE = "uidna.spp";
 230             if (System.getSecurityManager() != null) {
 231                 stream = AccessController.doPrivileged(new PrivilegedAction<>() {
 232                     public InputStream run() {
 233                         return StringPrep.class.getResourceAsStream(IDN_PROFILE);
 234                     }
 235                 });
 236             } else {
 237                 stream = StringPrep.class.getResourceAsStream(IDN_PROFILE);
 238             }
 239 
 240             namePrep = new StringPrep(stream);
 241             stream.close();
 242         } catch (IOException e) {
 243             // should never reach here
 244             assert false;
 245         }
 246     }
 247 
 248 
 249     /* ---------------- Private operations -------------- */
 250 
 251