getFieldName method

String getFieldName()

Creates a unique field-name for each file.

Implementation

String getFieldName() {
  String name = "file";
  if (!files.containsKey(name)) {
    return name;
  }
  int counter = 1;
  while (files.containsKey("${name}_$counter")) {
    counter++;
  }
  return "${name}_$counter";
}