code: protected final void assertNotNull(String message, Object obj) {
  		if (getLog().isDebugEnabled()) {
  			getLog().debug(
  					"\t(" //$NON-NLS-1$
  					+	getLogType(obj)
  					+	") " //$NON-NLS-1$
  					+	message
  					+	" = " //$NON-NLS-1$
  					+	obj);
  		}
  		if (obj == null) {
  			throw new AssertionError("assertNotNull: " + message); //$NON-NLS-1$
  		}
  	}
docs: Throw an exception when the given object is null.
  
  @param message
  is the message to put in the exception.
  @param obj the object to test.