Parsing numbers in Java/Groovy considering locale symbols

number_parse.groovy

def ss = ["12345", "3.14159", "-200.5", "37,1", "1,111,111.55"]

def format = java.text.NumberFormat.getInstance()

println format.class // DecimalFormat

/*
12345 class java.lang.Long
3.14159 class java.lang.Double
-200.5 class java.lang.Double
371 class java.lang.Long <<< wrong number for locale, decimal point should be transformed
1111111.55 class java.lang.Double
*/
ss.each {
   println format.parse(it) +' '+ format.parse(it).class
}

def dfs = format.getDecimalFormatSymbols()
println dfs.getDecimalSeparator()            // .
println dfs.getExponentSeparator()           // E
println dfs.getGroupingSeparator()           // ,
println dfs.getDigit()                       // #
println dfs.getCurrencySymbol()              // $
println dfs.getInternationalCurrencySymbol() // USD
println dfs.getMonetaryDecimalSeparator()    // .
println dfs.getPatternSeparator()            // ;
println dfs.getPercent()                     // %

println java.text.NumberFormat.getInstance().getAvailableLocales()