Create an instance of the approriate ExtraField, falls back to UnrecognizedExtraField.

  Create an instance of the approriate ExtraField, falls back to
UnrecognizedExtraField.
Returns: an instance of the appropiate ExtraField
Parameters:
- headerId - the header identifier
Throws:
- java.lang.InstantiationException - if unable to instantiate the class
- java.lang.IllegalAccessException - if not allowed to instatiate the class
Since: 1.1

  Merges the central directory fields of the given ZipExtraFields.

  Merges the central directory fields of the given ZipExtraFields.
Returns: an array of bytes
Parameters:
- data - an array of ExtraFields
Since: 1.1

  Merges the local file data fields of the given ZipExtraFields.

  Merges the local file data fields of the given ZipExtraFields.
Returns: an array of bytes
Parameters:
- data - an array of ExtraFiles
Since: 1.1

  Split the array into ExtraFields and populate them with the give data.

  Split the array into ExtraFields and populate them with the
give data.
Returns: an array of ExtraFields
Parameters:
- data - an array of bytes
Throws:
- java.util.zip.ZipException - on error
Since: 1.1

  Register a ZipExtraField implementation.

  Register a ZipExtraField implementation.

The given class must have a no-arg constructor and implement the ZipExtraField interface.

Parameters:
- c - the class to register
Since: 1.1