Method Detail

• toString

  public static String toString(ArchiveEntry entry)

  Generates a string containing the name, isDirectory setting and size of an entry.

  For example:

   -    2000 main.c
   d     100 testfiles
   

  Parameters:

  entry - the entry

  Returns:

  the representation of the entry

• matchAsciiBuffer

  public static boolean matchAsciiBuffer(String expected,
                         byte[] buffer,
                         int offset,
                         int length)

  Check if buffer contents matches Ascii String.

  Parameters:

  expected - expected string

  buffer - the buffer

  offset - offset to read from

  length - length of the buffer

  Returns:

  true if buffer is the same as the expected string

• matchAsciiBuffer

  public static boolean matchAsciiBuffer(String expected,
                         byte[] buffer)

  Check if buffer contents matches Ascii String.

  Parameters:

  expected - the expected strin

  buffer - the buffer

  Returns:

  true if buffer is the same as the expected string

• toAsciiBytes

  public static byte[] toAsciiBytes(String inputString)

  Convert a string to Ascii bytes. Used for comparing "magic" strings which need to be independent of the default Locale.

  Parameters:

  inputString - string to convert

  Returns:

  the bytes

• toAsciiString

  public static String toAsciiString(byte[] inputBytes)

  Convert an input byte array to a String using the ASCII character set.

  Parameters:

  inputBytes - bytes to convert

  Returns:

  the bytes, interpreted as an Ascii string

• toAsciiString

  public static String toAsciiString(byte[] inputBytes,
                     int offset,
                     int length)

  Convert an input byte array to a String using the ASCII character set.

  Parameters:

  inputBytes - input byte array

  offset - offset within array

  length - length of array

  Returns:

  the bytes, interpreted as an Ascii string

• isEqual

  public static boolean isEqual(byte[] buffer1,
                int offset1,
                int length1,
                byte[] buffer2,
                int offset2,
                int length2,
                boolean ignoreTrailingNulls)

  Compare byte buffers, optionally ignoring trailing nulls

  Parameters:

  buffer1 - first buffer

  offset1 - first offset

  length1 - first length

  buffer2 - second buffer

  offset2 - second offset

  length2 - second length

  ignoreTrailingNulls - whether to ignore trailing nulls

  Returns:

  true if buffer1 and buffer2 have same contents, having regard to trailing nulls

• isEqual

  public static boolean isEqual(byte[] buffer1,
                int offset1,
                int length1,
                byte[] buffer2,
                int offset2,
                int length2)

  Compare byte buffers

  Parameters:

  buffer1 - the first buffer

  offset1 - the first offset

  length1 - the first length

  buffer2 - the second buffer

  offset2 - the second offset

  length2 - the second length

  Returns:

  true if buffer1 and buffer2 have same contents

• isEqual

  public static boolean isEqual(byte[] buffer1,
                byte[] buffer2)

  Compare byte buffers

  Parameters:

  buffer1 - the first buffer

  buffer2 - the second buffer

  Returns:

  true if buffer1 and buffer2 have same contents

• isEqual

  public static boolean isEqual(byte[] buffer1,
                byte[] buffer2,
                boolean ignoreTrailingNulls)

  Compare byte buffers, optionally ignoring trailing nulls

  Parameters:

  buffer1 - the first buffer

  buffer2 - the second buffer

  ignoreTrailingNulls - whether to ignore tariling nulls

  Returns:

  true if buffer1 and buffer2 have same contents

• isEqualWithNull

  public static boolean isEqualWithNull(byte[] buffer1,
                        int offset1,
                        int length1,
                        byte[] buffer2,
                        int offset2,
                        int length2)

  Compare byte buffers, ignoring trailing nulls

  Parameters:

  buffer1 - the first buffer

  offset1 - the first offset

  length1 - the first length

  buffer2 - the second buffer

  offset2 - the second offset

  length2 - the second length

  Returns:

  true if buffer1 and buffer2 have same contents, having regard to trailing nulls

• isArrayZero

  public static boolean isArrayZero(byte[] a,
                    int size)

  Returns true if the first N bytes of an array are all zero

  Parameters:

  a - The array to check

  size - The number of characters to check (not the size of the array)

  Returns:

  true if the first N bytes are zero