Class Buffer
- java.lang.Object
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- org.mariadb.jdbc.internal.com.read.Buffer
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public class Buffer extends Object
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description byte
getByte()
Read current buffer byte without incrementing position.byte
getByteAt(int position)
Buffer
getLengthEncodedBuffer()
Get next data bytes from length encoded prefix.byte[]
getLengthEncodedBytes()
Get next data bytes with length encoded prefix.long
getLengthEncodedNumeric()
Get next binary data length.int
read24bitword()
Read 24 bit integer.byte
readByte()
Reads a byte from the buffer.byte[]
readBytesNullEnd()
Reads a byte array from the buffer, looks for a 0 to end the array.int
readInt()
Read a int (4 bytes) from the buffer.long
readLong()
Read a long (8 bytes) from the buffer.byte[]
readRawBytes(int numberOfBytes)
Read raw data.short
readShort()
Read a short (2 bytes) from the buffer.String
readString(int numberOfBytes)
Read String with defined length.String
readStringLengthEncoded(Charset charset)
Reads length-encoded string.String
readStringNullEnd(Charset charset)
Reads a string from the buffer, looks for a 0 to end the string.int
remaining()
void
skipByte()
void
skipBytes(int bytesToSkip)
void
skipLengthEncodedBytes()
Skip next length encode binary data.void
skipLengthEncodedNumeric()
Skip length encoded numericvoid
writeBytes(byte header, byte[] bytes)
Write bytes.void
writeLength(long length)
Write length.void
writeStringLength(byte[] bytes)
Write value with length encoded prefix.void
writeStringLength(String value)
Write value with length encoded prefix.void
writeStringSmallLength(byte[] value)
Write value with length encoded prefix.
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Method Detail
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remaining
public int remaining()
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readStringNullEnd
public String readStringNullEnd(Charset charset)
Reads a string from the buffer, looks for a 0 to end the string.- Parameters:
charset
- the charset to use, for example ASCII- Returns:
- the read string
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readBytesNullEnd
public byte[] readBytesNullEnd()
Reads a byte array from the buffer, looks for a 0 to end the array.- Returns:
- the read array
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readStringLengthEncoded
public String readStringLengthEncoded(Charset charset)
Reads length-encoded string.- Parameters:
charset
- the charset to use, for example ASCII- Returns:
- the read string
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readString
public String readString(int numberOfBytes)
Read String with defined length.- Parameters:
numberOfBytes
- raw data length.- Returns:
- String value
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readShort
public short readShort()
Read a short (2 bytes) from the buffer.- Returns:
- an short
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read24bitword
public int read24bitword()
Read 24 bit integer.- Returns:
- length
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readInt
public int readInt()
Read a int (4 bytes) from the buffer.- Returns:
- a int
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readLong
public long readLong()
Read a long (8 bytes) from the buffer.- Returns:
- a long
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readByte
public byte readByte()
Reads a byte from the buffer.- Returns:
- the byte
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getByte
public byte getByte()
Read current buffer byte without incrementing position.- Returns:
- the byte
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readRawBytes
public byte[] readRawBytes(int numberOfBytes)
Read raw data.- Parameters:
numberOfBytes
- raw data length.- Returns:
- raw data
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skipByte
public void skipByte()
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skipBytes
public void skipBytes(int bytesToSkip)
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skipLengthEncodedBytes
public void skipLengthEncodedBytes()
Skip next length encode binary data.
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getLengthEncodedNumeric
public long getLengthEncodedNumeric()
Get next binary data length.- Returns:
- length of next binary data
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skipLengthEncodedNumeric
public void skipLengthEncodedNumeric()
Skip length encoded numeric
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getLengthEncodedBuffer
public Buffer getLengthEncodedBuffer()
Get next data bytes from length encoded prefix.- Returns:
- buffer
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getLengthEncodedBytes
public byte[] getLengthEncodedBytes()
Get next data bytes with length encoded prefix.- Returns:
- the raw binary data
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getByteAt
public byte getByteAt(int position)
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writeStringLength
public void writeStringLength(String value)
Write value with length encoded prefix.- Parameters:
value
- value to write
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writeStringLength
public void writeStringLength(byte[] bytes)
Write value with length encoded prefix.- Parameters:
bytes
- value to write
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writeStringSmallLength
public void writeStringSmallLength(byte[] value)
Write value with length encoded prefix. value length MUST be less than 251 char- Parameters:
value
- value to write
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writeBytes
public void writeBytes(byte header, byte[] bytes)
Write bytes.- Parameters:
header
- header bytebytes
- command bytes
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writeLength
public void writeLength(long length)
Write length.- Parameters:
length
- length
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