question: retrieve a rfc2045 style string representation of this content-type . returns null if the conversion failed . concode_field_sep String primaryType concode_elem_sep String subType concode_elem_sep ParameterList list concode_field_sep void setParameterList concode_elem_sep String getPrimaryType concode_elem_sep void setSubType concode_elem_sep void setParameter concode_elem_sep boolean match concode_elem_sep boolean match concode_elem_sep String getSubType concode_elem_sep String getBaseType concode_elem_sep String getParameter concode_elem_sep ParameterList getParameterList concode_elem_sep void setPrimaryType
target: String function ( ) { if ( primaryType == null || subType == null ) return null ; StringBuffer loc0 = new StringBuffer ( ) ; loc0 . append ( primaryType ) . append ( '/' ) . append ( subType ) ; if ( list != null ) loc0 . append ( list . toString ( loc0 . length ( ) + 14 ) ) ; return loc0 . toString ( ) ; }