code: public static String getProperty(String name) {
          try {
              return System.getProperty(name);
          } catch (AccessControlException ex) {
              if (log.isDebugEnabled()) {
                  log.debug(String.format(
                          "Caught AccessControlException when accessing system property [%s]; " +
                                  "its value will be returned [null]. Reason: %s",
                          name, ex.getMessage()));
              }
          }
          return null;
      }
docs: <p>Gets a System property, defaulting to <code>null</code> if the property
  cannot be read.</p>
  
  <p>If a <code>SecurityException</code> is caught, the return value is <code>null</code>.</p>
  
  @param name the system property name
  @return the system property value or <code>null</code> if a security problem occurs