Returns <tt>true</tt> if the corresponding subject/user is permitted to perform an action or access a resource
summarized by the specified permission string.
<p>This is an overloaded method for the corresponding type-safe {@link Permission Permission} variant.
Please see the class-level JavaDoc for more information on these string-based permission methods.
@param principals the application-specific subject/user identifier.
@param permission the string representation of a Permission that is being checked.
@return true if the corresponding Subject/user is permitted, false otherwise.
@see #isPermitted(PrincipalCollection principals,Permission permission)
Returns <tt>true</tt> if the corresponding subject/user is permitted to perform an action or access a resource summarized by the specified permission string.
<p>This is an overloaded method for the corresponding type-safe {@link Permission Permission} variant. Please see the class-level JavaDoc for more information on these string-based permission methods.
@param principals the application-specific subject/user identifier. @param permission the string representation of a Permission that is being checked. @return true if the corresponding Subject/user is permitted, false otherwise. @see #isPermitted(PrincipalCollection principals,Permission permission)