public final class ByteUtils extends Object
Modifier and Type | Method and Description |
---|---|
static byte[] |
concat(byte[] arg1,
byte[] arg2) |
static byte[] |
concatAll(byte[]... args) |
static int |
indexOf(byte[] haystack,
byte needle)
Searches the specified array of bytes for the specified value.
|
static byte[][] |
mergeArrays(byte[] firstArray,
byte[]... additionalArrays)
Merge multiple
byte arrays into one array |
static byte[][] |
split(byte[] source,
int c) |
static boolean |
startsWith(byte[] haystack,
byte[] prefix)
Tests if the
haystack starts with the given prefix . |
static boolean |
startsWith(byte[] haystack,
byte[] prefix,
int offset)
Tests if the
haystack beginning at the specified offset starts with the given prefix . |
public static byte[] concat(byte[] arg1, byte[] arg2)
public static byte[] concatAll(byte[]... args)
public static byte[][] split(byte[] source, int c)
public static byte[][] mergeArrays(byte[] firstArray, byte[]... additionalArrays)
byte
arrays into one arrayfirstArray
- must not be nulladditionalArrays
- must not be nullpublic static boolean startsWith(byte[] haystack, byte[] prefix)
haystack
starts with the given prefix
.haystack
- the source to scan.prefix
- the prefix to find.haystack
at position offset
starts with prefix
.startsWith(byte[], byte[], int)
public static boolean startsWith(byte[] haystack, byte[] prefix, int offset)
haystack
beginning at the specified offset
starts with the given prefix
.haystack
- the source to scan.prefix
- the prefix to find.offset
- the offset to start at.haystack
at position offset
starts with prefix
.public static int indexOf(byte[] haystack, byte needle)
haystack
s natural order or -1
of needle
could not be found.haystack
- the source to scan.needle
- the value to scan for.Copyright © 2011–2019 Pivotal Software, Inc.. All rights reserved.