Package org.opendaylight.protocol.util
Class ByteArray
java.lang.Object
org.opendaylight.protocol.util.ByteArray
Util class for methods working with byte array.
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Method Summary
Modifier and TypeMethodDescriptionstatic String
bytesToHRString
(byte[] bytes) Decodes bytes to human readable UTF-8 string.static int
bytesToInt
(byte[] bytes) Converts byte array to Integer.static long
bytesToLong
(byte[] bytes) Converts byte array to long.static byte
copyBitsRange
(byte src, int fromBit, int length) Copies range of bits from passed byte and align to right.static byte[]
cutBytes
(byte[] bytes, int count) Cuts 'count' number of bytes from the beginning of given byte array.static String
encodeBase64
(io.netty.buffer.ByteBuf buffer) Encode input ByteBuf with Base64 to string format.static byte[]
fileToBytes
(String name) Parses file to array of bytes.static byte[]
getAllBytes
(io.netty.buffer.ByteBuf buffer) Helper method missing from netty ByteBuf methods.static byte[]
getBytes
(io.netty.buffer.ByteBuf buffer, int length) Helper method missing from netty ByteBuf methods.static byte[]
readAllBytes
(io.netty.buffer.ByteBuf buffer) Helper method missing from netty ByteBuf methods.static byte[]
readBytes
(io.netty.buffer.ByteBuf buffer, int length) Helper method missing from netty ByteBuf methods.static byte[]
subByte
(byte[] bytes, int startIndex, int length) Returns a new byte array from given byte array, starting at start index with the size of the length parameter.
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Method Details
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readBytes
public static byte[] readBytes(io.netty.buffer.ByteBuf buffer, int length) Helper method missing from netty ByteBuf methods. Directly returns byte array part of the given buffer, starting at reader index, with given length. Increases reader index of the buffer by 'length'.- Parameters:
buffer
- ByteBuf from which the bytes are going to be takenlength
- length of the returned byte array- Returns:
- byte array
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readAllBytes
public static byte[] readAllBytes(io.netty.buffer.ByteBuf buffer) Helper method missing from netty ByteBuf methods. Directly returns all readable bytes from buffer as byte array. Adjusts reader index of the buffer by length of readable bytes in the buffer.- Parameters:
buffer
- byteBuf from which the bytes are going to be taken- Returns:
- byte array
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getBytes
public static byte[] getBytes(io.netty.buffer.ByteBuf buffer, int length) Helper method missing from netty ByteBuf methods. Directly returns byte array part of the given buffer, starting at reader index, with given length. Does not modify reader or writer index of the buffer.- Parameters:
buffer
- ByteBuf from which the bytes are going to be takenlength
- length of the returned byte array- Returns:
- byte array
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getAllBytes
public static byte[] getAllBytes(io.netty.buffer.ByteBuf buffer) Helper method missing from netty ByteBuf methods. Directly returns all readable bytes from buffer as byte array. Does not modify writer or reader index of the buffer.- Parameters:
buffer
- byteBuf from which the bytes are going to be taken- Returns:
- byte array
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subByte
public static byte[] subByte(byte[] bytes, int startIndex, int length) Returns a new byte array from given byte array, starting at start index with the size of the length parameter. Byte array given as parameter stays untouched.- Parameters:
bytes
- original byte arraystartIndex
- beginning index, inclusivelength
- how many bytes should be in the sub-array- Returns:
- a new byte array that is a sub-array of the original
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bytesToInt
public static int bytesToInt(byte[] bytes) Converts byte array to Integer. If there are less bytes in the array as required (4), the method will push adequate number of zero bytes prepending given byte array.- Parameters:
bytes
- array to be converted to int- Returns:
- int
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bytesToLong
public static long bytesToLong(byte[] bytes) Converts byte array to long. If there are less bytes in the array as required (Long.Size), the method will push adequate number of zero bytes prepending given byte array.- Parameters:
bytes
- array to be converted to long- Returns:
- long
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cutBytes
public static byte[] cutBytes(byte[] bytes, int count) Cuts 'count' number of bytes from the beginning of given byte array.- Parameters:
bytes
- array to be cut, cannot be nullcount
- how many bytes needed to be cut, needs to be greater than 0- Returns:
- bytes array without first 'count' bytes
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fileToBytes
Parses file to array of bytes.- Parameters:
name
- path to file to by parsed- Returns:
- parsed array of bytes
- Throws:
IOException
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copyBitsRange
public static byte copyBitsRange(byte src, int fromBit, int length) Copies range of bits from passed byte and align to right.- Parameters:
src
- source byte to copy fromfromBit
- bit from which will copy (inclusive) - numbered from 0length
- of bits to by copied, valid values are 1 through 8- Returns:
- copied value aligned to right
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bytesToHRString
Decodes bytes to human readable UTF-8 string. If bytes are not valid UTF-8, they are represented as raw binary.- Parameters:
bytes
- bytes to be decoded to string- Returns:
- String representation of passed bytes
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encodeBase64
Encode input ByteBuf with Base64 to string format.- Parameters:
buffer
- Input ByteBuf- Returns:
- String representation of encoded ByteBuf.
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