src/share/classes/java/util/logging/StreamHandler.java

*** 97,111 ****
                  // assert false;
              }
          }
      }
  
      /**
       * Create a <tt>StreamHandler</tt>, with no current output stream.
       */
      public StreamHandler() {
-         sealed = false;
          configure();
          sealed = true;
      }
  
      /**
--- 97,121 ----
                  // assert false;
              }
          }
      }
  
+     // Package private support for security checking.  When isSealed
+     // returns true, we access check updates to the class.
+     // Initially the value is false, but we set to true at end of
+     // each constructor...
+     private final boolean sealed;
+ 
+     @Override
+     boolean isSealed() {
+         return sealed;
+     }
+ 
      /**
       * Create a <tt>StreamHandler</tt>, with no current output stream.
       */
      public StreamHandler() {
          configure();
          sealed = true;
      }
  
      /**
*** 114,124 ****
       * <p>
       * @param out         the target output stream
       * @param formatter   Formatter to be used to format output
       */
      public StreamHandler(OutputStream out, Formatter formatter) {
-         sealed = false;
          configure();
          setFormatter(formatter);
          setOutputStream(out);
          sealed = true;
      }
--- 124,133 ----