Class Hash

Method Details

• create

  public static Hash create​(byte[] data)

  Pull from cache or return new WARNING - If the SDS is found in the cache, the passed-in byte array will be returned to the SimpleByteCache for reuse. Do NOT save a reference to the passed-in data, or use or modify it, after this call. Ignore this warning and you WILL corrupt the cache or other data structures.

  Throws:

  IllegalArgumentException - if data is not the correct number of bytes

  Since:

  0.8.3

• create

  public static Hash create​(byte[] data, int off)

  Pull from cache or return new

  Throws:

  ArrayIndexOutOfBoundsException - if not enough bytes

  Since:

  0.8.3

• create

  public static Hash create​(InputStream in) throws IOException

  Pull from cache or return new

  Throws:

  IOException

  Since:

  0.8.3

• length

  public int length()

  Description copied from class: SimpleDataStructure

  The legal length of the byte array in this data structure

  Specified by:

  length in class SimpleDataStructure

• setData

  public void setData​(byte[] data)

  Description copied from class: SimpleDataStructure

  Sets the data.

  Overrides:

  setData in class SimpleDataStructure

  Parameters:

  data - of correct length, or null

  Throws:

  IllegalArgumentException - if data is not 32 bytes (null is ok)

• readBytes

  public void readBytes​(InputStream in) throws DataFormatException, IOException

  Description copied from class: SimpleDataStructure

  Sets the data.

  Specified by:

  readBytes in interface DataStructure

  Overrides:

  readBytes in class SimpleDataStructure

  Parameters:

  in - the stream to read

  Throws:

  DataFormatException - if the data is improperly formatted

  IOException - if there was a problem reading the stream

• hashCode

  public int hashCode()

  a Hash is a hash, so just use the first 4 bytes for speed

  Overrides:

  hashCode in class SimpleDataStructure

• toBase64

  public String toBase64()

  Description copied from interface: DataStructure

  render the structure into modified base 64 notation

  Specified by:

  toBase64 in interface DataStructure

  Overrides:

  toBase64 in class SimpleDataStructure

  Returns:

  null on error

• toBase32

  public String toBase32()

  For convenience.

  Returns:

  "{52 chars}.b32.i2p" or null if data not set.

  Since:

  0.9.25

• clearCache

  public static void clearCache()

  Since:

  0.9.17