Groovy to proper case underscore containing strings (i.e. DB column names) to convert to reasonable java/groovy field names

properCase.groovy

int US = '_';

uinds = { name ->
    int index = 1;
    int offset = 0;
    int loops = 0;
    uids = [];
    while(index!=-1) {
        index = name.indexOf(US, offset);
        if(index!=-1) {
            uids.add(index-loops);
            offset += index+1;
        }
        loops++;
    }
    return uids as int[];
}

pc = { name ->
    int[] u = uinds(name);
    s = name.toLowerCase().replace("_", "");
    if(u.length > 0) {
        StringBuilder b = new StringBuilder(s);
        u.each() { index ->
            int nextChar = index+1;
            if(nextChar <= b.length()) {
                upchar = b.substring(index, nextChar).toUpperCase();
                b.replace(index, index+1, upchar);
            }
        }
        s = b.toString();
    }
    return s;
}


println pc("APEX_STANDARD_CONDITIONS");
println pc("APEX_STANDARD_CONDITIONS_PLUS");
println pc("APEX");
println pc("APEX_");




return null;