question: public static Map < String , String > strToMap ( String str , String delim , boolean trim , String pairsSeparator ) { if ( str == null ) return null ; Map < String , String > decodedMap = new HashMap < String , String > ( ) ; List < String > elements = split ( str , delim ) ; pairsSeparator = pairsSeparator == null ? "=" : pairsSeparator ; for ( String s : elements ) { List < String > e = split ( s , pairsSeparator ) ; if ( e . size ( ) != 2 ) { continue ; } String name = e . get ( 0 ) ; String value = e . get ( 1 ) ; if ( trim ) { if ( name != null ) { name = name . trim ( ) ; } if ( value != null ) { value = value . trim ( ) ; } } try { decodedMap . put ( URLDecoder . decode ( name , "UTF-8" ) , URLDecoder . decode ( value , "UTF-8" ) ) ; } catch ( UnsupportedEncodingException e1 ) { Debug . logError ( e1 , module ) ; } } return decodedMap ; }
target:  Creates a Map from a name/value pair string