Constructor Detail

• ExtraFieldUtils

  public ExtraFieldUtils()

Method Detail

• register

  public static void register(Class<?> c)

  Register a ZipExtraField implementation.

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

  Parameters:

  c - the class to register

• createExtraField

  public static ZipExtraField createExtraField(ZipShort headerId)
                                        throws InstantiationException,
                                               IllegalAccessException

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

  Parameters:

  headerId - the header identifier

  Returns:

  an instance of the appropriate ExtraField

  Throws:

  InstantiationException - if unable to instantiate the class

  IllegalAccessException - if not allowed to instantiate the class

• parse

  public static ZipExtraField[] parse(byte[] data)
                               throws ZipException

  Split the array into ExtraFields and populate them with the given data as local file data, throwing an exception if the data cannot be parsed.

  Parameters:

  data - an array of bytes as it appears in local file data

  Returns:

  an array of ExtraFields

  Throws:

  ZipException - on error

• parse

  public static ZipExtraField[] parse(byte[] data,
                                      boolean local)
                               throws ZipException

  Split the array into ExtraFields and populate them with the given data, throwing an exception if the data cannot be parsed.

  Parameters:

  data - an array of bytes

  local - whether data originates from the local file data or the central directory

  Returns:

  an array of ExtraFields

  Throws:

  ZipException - on error

• parse

  public static ZipExtraField[] parse(byte[] data,
                                      boolean local,
                                      ExtraFieldUtils.UnparseableExtraField onUnparseableData)
                               throws ZipException

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

  Parameters:

  data - an array of bytes

  local - whether data originates from the local file data or the central directory

  onUnparseableData - what to do if the extra field data cannot be parsed.

  Returns:

  an array of ExtraFields

  Throws:

  ZipException - on error

  Since:

  1.1

• mergeLocalFileDataData

  public static byte[] mergeLocalFileDataData(ZipExtraField[] data)

  Merges the local file data fields of the given ZipExtraFields.

  Parameters:

  data - an array of ExtraFiles

  Returns:

  an array of bytes

• mergeCentralDirectoryData

  public static byte[] mergeCentralDirectoryData(ZipExtraField[] data)

  Merges the central directory fields of the given ZipExtraFields.

  Parameters:

  data - an array of ExtraFields

  Returns:

  an array of bytes