question: boolean verifyString ( String str ) { if ( ( str . length ( ) > maxLength ) || ( str . length ( ) < minLength ) ) { return false ; } int i = 0 ; Enumeration e = formatConstraints . elements ( ) ; if ( ! str . equals ( "" ) ) { char c = str . charAt ( i ) ; for ( ; e . hasMoreElements ( ) ; ) { FormatConstraint constraint = ( FormatConstraint ) e . nextElement ( ) ; if ( constraint . count == FormatConstraint . COUNT_EXACTLY_ONE ) { if ( ! verifyChar ( c , constraint . type ) ) { return false ; } i ++ ; if ( i < str . length ( ) ) { c = str . charAt ( i ) ; } else { break ; } } else { int charNum = 0 ; while ( ( i < str . length ( ) ) && ( charNum < constraint . count ) ) { if ( ! verifyChar ( c , constraint . type ) ) { break ; } i ++ ; charNum ++ ; if ( i < str . length ( ) ) { c = str . charAt ( i ) ; } else { break ; } } if ( i >= str . length ( ) ) { break ; } } } if ( i < str . length ( ) ) { return false ; } } while ( e . hasMoreElements ( ) ) { FormatConstraint constraint = ( FormatConstraint ) e . nextElement ( ) ; if ( constraint . count == FormatConstraint . COUNT_EXACTLY_ONE ) { return false ; } } return true ; }
target:  Verifies that the given String conforms to the constraints represented by this object.