public int depth ( ) { String path = uri . getPath ( ) ; int depth = 0 ; int slash = path . length ( ) == 1 && path . charAt ( 0 ) == ' ' ? - 1 : 0 ; while ( slash != - 1 ) { depth ++ ; slash = path . indexOf ( SEPARATOR , slash + 1 ) ; } return depth ; }
Returns the number of elements in this path .