Package org.fisco.bcos.sdk.utils
Class Hex
java.lang.Object
org.fisco.bcos.sdk.utils.Hex
public class Hex
extends java.lang.Object
Utility class for converting hex data to bytes and back again.
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Constructor Summary
Constructors Constructor Description Hex()
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Method Summary
Modifier and Type Method Description static byte[]
decode(byte[] data)
decode the Hex encoded input data.static byte[]
decode(java.lang.String data)
decode the Hex encoded String data - whitespace will be ignored.static int
decode(java.lang.String data, java.io.OutputStream out)
decode the Hex encoded String data writing it to the given output stream, whitespace characters will be ignored.static byte[]
encode(byte[] data)
encode the input data producing a Hex encoded byte array.static byte[]
encode(byte[] data, int off, int length)
encode the input data producing a Hex encoded byte array.static int
encode(byte[] data, int off, int length, java.io.OutputStream out)
Hex encode the byte data writing it to the given output stream.static int
encode(byte[] data, java.io.OutputStream out)
Hex encode the byte data writing it to the given output stream.static java.lang.String
toHexString(byte[] data)
static java.lang.String
toHexString(byte[] data, int off, int length)
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Constructor Details
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Hex
public Hex()
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Method Details
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toHexString
public static java.lang.String toHexString(byte[] data) -
toHexString
public static java.lang.String toHexString(byte[] data, int off, int length) -
encode
public static byte[] encode(byte[] data)encode the input data producing a Hex encoded byte array.- Parameters:
data
- the input data- Returns:
- a byte array containing the Hex encoded data.
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encode
public static byte[] encode(byte[] data, int off, int length)encode the input data producing a Hex encoded byte array.- Parameters:
data
- the input byte arrayoff
- the offset of the data to be convertedlength
- the length of the data to be converted- Returns:
- a byte array containing the Hex encoded data.
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encode
public static int encode(byte[] data, java.io.OutputStream out) throws java.io.IOExceptionHex encode the byte data writing it to the given output stream.- Parameters:
data
- the byte arrayout
- the output stream- Returns:
- the number of bytes produced.
- Throws:
java.io.IOException
- the I/O exception
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encode
public static int encode(byte[] data, int off, int length, java.io.OutputStream out) throws java.io.IOExceptionHex encode the byte data writing it to the given output stream.- Parameters:
data
- the byte arrayoff
- the offset of the data to be convertedlength
- the length of the data to be convertedout
- the output stream- Returns:
- the number of bytes produced.
- Throws:
java.io.IOException
- the I/O exception
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decode
public static byte[] decode(byte[] data)decode the Hex encoded input data. It is assumed the input data is valid.- Parameters:
data
- the input byte array- Returns:
- a byte array representing the decoded data.
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decode
public static byte[] decode(java.lang.String data)decode the Hex encoded String data - whitespace will be ignored.- Parameters:
data
- the input byte array- Returns:
- a byte array representing the decoded data.
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decode
public static int decode(java.lang.String data, java.io.OutputStream out) throws java.io.IOExceptiondecode the Hex encoded String data writing it to the given output stream, whitespace characters will be ignored.- Parameters:
data
- the input byte arrayout
- the output stream- Returns:
- the number of bytes produced.
- Throws:
java.io.IOException
- the I/O exception
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