Package de.intarsys.tools.collection

Class ByteArrayTools

java.lang.Object
de.intarsys.tools.collection.ByteArrayTools
public class ByteArrayTools extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    ByteArrayTools()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static byte[]
    concat(byte[] array1, byte[] array2)
     
    static byte[]
    copy(byte[] bytes)
    Make a copy of bytes.
    static byte[]
    copy(byte[] bytes, int offset, int length)
    Copy length bytes from bytes starting at from.
    static int
    indexOf(byte[] source, int sourceOffset, int sourceLen, byte[] pattern, int patternOffset, int patternLen, int fromIndex)
    Search index of pattern in source.
    static boolean
    startsWith(byte[] bytes, byte[] pattern)
    true if bytes starts with the byte sequence defined in pattern.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • ByteArrayTools

      public ByteArrayTools()

  • Method Details

    • concat

      public static byte[] concat(byte[] array1, byte[] array2)

    • copy

      public static byte[] copy(byte[] bytes)
      Make a copy of bytes.
      Parameters:
      bytes - byte[] to be copied
      Returns:
      A copy of bytes

    • copy

      public static byte[] copy(byte[] bytes, int offset, int length)
      Copy length bytes from bytes starting at from.
      Parameters:
      bytes - byte[] to be copied
      offset - starting position to copy from
      length - number of bytes
      Returns:
      A copy of bytes

    • indexOf

      public static int indexOf(byte[] source, int sourceOffset, int sourceLen, byte[] pattern, int patternOffset, int patternLen, int fromIndex)
      Search index of pattern in source. Algorithm from java.lang.String
      Parameters:
      source -
      sourceOffset -
      sourceLen -
      pattern -
      patternOffset -
      patternLen -
      fromIndex -
      Returns:
      The index of the first occurrence of pattern or -1.

    • startsWith

      public static boolean startsWith(byte[] bytes, byte[] pattern)
      true if bytes starts with the byte sequence defined in pattern.
      Parameters:
      bytes -
      pattern -
      Returns:
      true if bytes starts with the byte sequence defined in pattern.