Look sharp

Split text on right most space before limit is reached
Use to split text on several lines in receiving document, eg edifact LIN-IMD-C273 has several 7008 text element

//    -----------------------------
//    Peter Lykkegaard, 22 mar 2019
//    -----------------------------
//    Split long note on right most space before limit is reached
//    TODO! Check parameters if they are of valid type/content
//
//    Name: splitNoteBySpace
//    Description: Method to split a given string by latest space before length limit
//    Parameters
//        input$, alphanumerical / String which needs to be split
//        max$, alphanumerical / Max characters on each line
//    Output, alphanumeric / array / Array of strings to return
 
local lvOutput$[];

#importJavaStart
    import java.util.regex.Matcher;
    import java.util.regex.Pattern;
#importJavaEnd
 
#javastart

    String input = _StrVar_PINPUT.getString();
    int max = (int)_NumVar_PMAX.getNum();
    int len = input.length();
    
    String regex = "(.{1," + max + "})(?:\\s|$)";
 
    Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
    Matcher matcher = pattern.matcher(input);
    
    _StrVar_LVOUTPUT.getJuVar(0, 2).setString(input);

    if (len > max)
    {
        int idx = 0;     // Entries in output   
        while (matcher.find()) {
            for (int i = 1; i <= matcher.groupCount(); i++) {
                _StrVar_LVOUTPUT.getJuVar(idx, 2).setString(matcher.group(i).toString());
            }
            idx++;
        }
    }
#javaEnd
     
exitProc(lvOutput$);