BufferImpl (Vert.x Core 3.0.0 API)

java.lang.Object
- io.vertx.core.buffer.impl.BufferImpl

All Implemented Interfaces:

Buffer, ClusterSerializable
```
public class BufferImpl
extends Object
implements Buffer
```
Author:

Tim Fox

Field Summary
- Fields inherited from interface io.vertx.core.buffer.Buffer
  factory

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`Buffer`	`appendBuffer(Buffer buff)` Appends the specified `Buffer` to the end of this Buffer.
`Buffer`	`appendBuffer(Buffer buff, int offset, int len)` Appends the specified `Buffer` starting at the `offset` using `len` to the end of this Buffer.
`Buffer`	`appendByte(byte b)` Appends the specified `byte` to the end of the Buffer.
`Buffer`	`appendBytes(byte[] bytes)` Appends the specified `byte[]` to the end of the Buffer.
`Buffer`	`appendBytes(byte[] bytes, int offset, int len)` Appends the specified number of bytes from `byte[]` to the end of the Buffer, starting at the given offset.
`Buffer`	`appendDouble(double d)` Appends the specified `double` to the end of the Buffer.
`Buffer`	`appendFloat(float f)` Appends the specified `float` to the end of the Buffer.
`Buffer`	`appendInt(int i)` Appends the specified `int` to the end of the Buffer.
`Buffer`	`appendLong(long l)` Appends the specified `long` to the end of the Buffer.
`Buffer`	`appendShort(short s)` Appends the specified `short` to the end of the Buffer.The buffer will expand as necessary to accommodate any bytes written.
`Buffer`	`appendString(String str)` Appends the specified `String str` to the end of the Buffer with UTF-8 encoding.
`Buffer`	`appendString(String str, String enc)` Appends the specified `String` to the end of the Buffer with the encoding as specified by `enc`.
`Buffer`	`copy()` Returns a copy of the entire Buffer.
`boolean`	`equals(Object o)`
`Buffer`	`getBuffer(int start, int end)` Returns a copy of a sub-sequence the Buffer as a `Buffer` starting at position `start` and ending at position `end - 1`
`byte`	`getByte(int pos)` Returns the `byte` at position `pos` in the Buffer.
`io.netty.buffer.ByteBuf`	`getByteBuf()` Returns the Buffer as a Netty `ByteBuf`.
`byte[]`	`getBytes()` Returns a copy of the entire Buffer as a `byte[]`
`byte[]`	`getBytes(int start, int end)` Returns a copy of a sub-sequence the Buffer as a `byte[]` starting at position `start` and ending at position `end - 1`
`double`	`getDouble(int pos)` Returns the `double` at position `pos` in the Buffer.
`float`	`getFloat(int pos)` Returns the `float` at position `pos` in the Buffer.
`int`	`getInt(int pos)` Returns the `int` at position `pos` in the Buffer.
`long`	`getLong(int pos)` Returns the `long` at position `pos` in the Buffer.
`short`	`getShort(int pos)` Returns the `short` at position `pos` in the Buffer.
`String`	`getString(int start, int end)` Returns a copy of a sub-sequence the Buffer as a `String` starting at position `start` and ending at position `end - 1` interpreted as a String in UTF-8 encoding
`String`	`getString(int start, int end, String enc)` Returns a copy of a sub-sequence the Buffer as a `String` starting at position `start` and ending at position `end - 1` interpreted as a String in the specified encoding
`int`	`hashCode()`
`int`	`length()` Returns the length of the buffer, measured in bytes.
`int`	`readFromBuffer(int pos, Buffer buffer)`
`Buffer`	`setBuffer(int pos, Buffer b)` Sets the bytes at position `pos` in the Buffer to the bytes represented by the `Buffer b`.
`Buffer`	`setBuffer(int pos, Buffer b, int offset, int len)` Sets the bytes at position `pos` in the Buffer to the bytes represented by the `Buffer b` on the given `offset` and `len`.
`Buffer`	`setByte(int pos, byte b)` Sets the `byte` at position `pos` in the Buffer to the value `b`.
`Buffer`	`setBytes(int pos, byte[] b)` Sets the bytes at position `pos` in the Buffer to the bytes represented by the `byte[] b`.
`Buffer`	`setBytes(int pos, byte[] b, int offset, int len)` Sets the given number of bytes at position `pos` in the Buffer to the bytes represented by the `byte[] b`.
`BufferImpl`	`setBytes(int pos, ByteBuffer b)` Sets the bytes at position `pos` in the Buffer to the bytes represented by the `ByteBuffer b`.
`Buffer`	`setDouble(int pos, double d)` Sets the `double` at position `pos` in the Buffer to the value `d`.
`Buffer`	`setFloat(int pos, float f)` Sets the `float` at position `pos` in the Buffer to the value `f`.
`Buffer`	`setInt(int pos, int i)` Sets the `int` at position `pos` in the Buffer to the value `i`.
`Buffer`	`setLong(int pos, long l)` Sets the `long` at position `pos` in the Buffer to the value `l`.
`Buffer`	`setShort(int pos, short s)` Sets the `short` at position `pos` in the Buffer to the value `s`.
`Buffer`	`setString(int pos, String str)` Sets the bytes at position `pos` in the Buffer to the value of `str` encoded in UTF-8.
`Buffer`	`setString(int pos, String str, String enc)` Sets the bytes at position `pos` in the Buffer to the value of `str` encoded in encoding `enc`.
`Buffer`	`slice()` Returns a slice of this buffer.
`Buffer`	`slice(int start, int end)` Returns a slice of this buffer.
`String`	`toString()`
`String`	`toString(String enc)` Returns a `String` representation of the Buffer with the encoding specified by `enc`
`void`	`writeToBuffer(Buffer buff)`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.vertx.core.buffer.Buffer
buffer, buffer, buffer, buffer, buffer, buffer

- Method Detail
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object
  - toString
```
public String toString(String enc)
```
    Description copied from interface: Buffer
    
    Returns a String representation of the Buffer with the encoding specified by enc
    
    Specified by:
    
    toString in interface Buffer
  - getByte
```
public byte getByte(int pos)
```
    Description copied from interface: Buffer
    
    Returns the byte at position pos in the Buffer.
    
    Specified by:
    
    getByte in interface Buffer
  - getInt
```
public int getInt(int pos)
```
    Description copied from interface: Buffer
    
    Returns the int at position pos in the Buffer.
    
    Specified by:
    
    getInt in interface Buffer
  - getLong
```
public long getLong(int pos)
```
    Description copied from interface: Buffer
    
    Returns the long at position pos in the Buffer.
    
    Specified by:
    
    getLong in interface Buffer
  - getDouble
```
public double getDouble(int pos)
```
    Description copied from interface: Buffer
    
    Returns the double at position pos in the Buffer.
    
    Specified by:
    
    getDouble in interface Buffer
  - getFloat
```
public float getFloat(int pos)
```
    Description copied from interface: Buffer
    
    Returns the float at position pos in the Buffer.
    
    Specified by:
    
    getFloat in interface Buffer
  - getShort
```
public short getShort(int pos)
```
    Description copied from interface: Buffer
    
    Returns the short at position pos in the Buffer.
    
    Specified by:
    
    getShort in interface Buffer
  - getBytes
```
public byte[] getBytes()
```
    Description copied from interface: Buffer
    
    Returns a copy of the entire Buffer as a byte[]
    
    Specified by:
    
    getBytes in interface Buffer
  - getBytes
```
public byte[] getBytes(int start,
                       int end)
```
    Description copied from interface: Buffer
    
    Returns a copy of a sub-sequence the Buffer as a byte[] starting at position start and ending at position end - 1
    
    Specified by:
    
    getBytes in interface Buffer
  - getBuffer
```
public Buffer getBuffer(int start,
                        int end)
```
    Description copied from interface: Buffer
    
    Returns a copy of a sub-sequence the Buffer as a Buffer starting at position start and ending at position end - 1
    
    Specified by:
    
    getBuffer in interface Buffer
  - getString
```
public String getString(int start,
                        int end,
                        String enc)
```
    Description copied from interface: Buffer
    
    Returns a copy of a sub-sequence the Buffer as a String starting at position start and ending at position end - 1 interpreted as a String in the specified encoding
    
    Specified by:
    
    getString in interface Buffer
  - getString
```
public String getString(int start,
                        int end)
```
    Description copied from interface: Buffer
    
    Returns a copy of a sub-sequence the Buffer as a String starting at position start and ending at position end - 1 interpreted as a String in UTF-8 encoding
    
    Specified by:
    
    getString in interface Buffer
  - appendBuffer
```
public Buffer appendBuffer(Buffer buff)
```
    Description copied from interface: Buffer
    
    Appends the specified Buffer to the end of this Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendBuffer in interface Buffer
  - appendBuffer
```
public Buffer appendBuffer(Buffer buff,
                           int offset,
                           int len)
```
    Description copied from interface: Buffer
    
    Appends the specified Buffer starting at the offset using len to the end of this Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendBuffer in interface Buffer
  - appendBytes
```
public Buffer appendBytes(byte[] bytes)
```
    Description copied from interface: Buffer
    
    Appends the specified byte[] to the end of the Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendBytes in interface Buffer
  - appendBytes
```
public Buffer appendBytes(byte[] bytes,
                          int offset,
                          int len)
```
    Description copied from interface: Buffer
    
    Appends the specified number of bytes from byte[] to the end of the Buffer, starting at the given offset. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendBytes in interface Buffer
  - appendByte
```
public Buffer appendByte(byte b)
```
    Description copied from interface: Buffer
    
    Appends the specified byte to the end of the Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendByte in interface Buffer
  - appendInt
```
public Buffer appendInt(int i)
```
    Description copied from interface: Buffer
    
    Appends the specified int to the end of the Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendInt in interface Buffer
  - appendLong
```
public Buffer appendLong(long l)
```
    Description copied from interface: Buffer
    
    Appends the specified long to the end of the Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendLong in interface Buffer
  - appendShort
```
public Buffer appendShort(short s)
```
    Description copied from interface: Buffer
    
    Appends the specified short to the end of the Buffer.The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendShort in interface Buffer
  - appendFloat
```
public Buffer appendFloat(float f)
```
    Description copied from interface: Buffer
    
    Appends the specified float to the end of the Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendFloat in interface Buffer
  - appendDouble
```
public Buffer appendDouble(double d)
```
    Description copied from interface: Buffer
    
    Appends the specified double to the end of the Buffer. The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendDouble in interface Buffer
  - appendString
```
public Buffer appendString(String str,
                           String enc)
```
    Description copied from interface: Buffer
    
    Appends the specified String to the end of the Buffer with the encoding as specified by enc.
    The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together.
    
    Specified by:
    
    appendString in interface Buffer
  - appendString
```
public Buffer appendString(String str)
```
    Description copied from interface: Buffer
    
    Appends the specified String str to the end of the Buffer with UTF-8 encoding.
    The buffer will expand as necessary to accommodate any bytes written.
    Returns a reference to this so multiple operations can be appended together
    
    Specified by:
    
    appendString in interface Buffer
  - setByte
```
public Buffer setByte(int pos,
                      byte b)
```
    Description copied from interface: Buffer
    
    Sets the byte at position pos in the Buffer to the value b.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setByte in interface Buffer
  - setInt
```
public Buffer setInt(int pos,
                     int i)
```
    Description copied from interface: Buffer
    
    Sets the int at position pos in the Buffer to the value i.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setInt in interface Buffer
  - setLong
```
public Buffer setLong(int pos,
                      long l)
```
    Description copied from interface: Buffer
    
    Sets the long at position pos in the Buffer to the value l.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setLong in interface Buffer
  - setDouble
```
public Buffer setDouble(int pos,
                        double d)
```
    Description copied from interface: Buffer
    
    Sets the double at position pos in the Buffer to the value d.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setDouble in interface Buffer
  - setFloat
```
public Buffer setFloat(int pos,
                       float f)
```
    Description copied from interface: Buffer
    
    Sets the float at position pos in the Buffer to the value f.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setFloat in interface Buffer
  - setShort
```
public Buffer setShort(int pos,
                       short s)
```
    Description copied from interface: Buffer
    
    Sets the short at position pos in the Buffer to the value s.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setShort in interface Buffer
  - setBuffer
```
public Buffer setBuffer(int pos,
                        Buffer b)
```
    Description copied from interface: Buffer
    
    Sets the bytes at position pos in the Buffer to the bytes represented by the Buffer b.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setBuffer in interface Buffer
  - setBuffer
```
public Buffer setBuffer(int pos,
                        Buffer b,
                        int offset,
                        int len)
```
    Description copied from interface: Buffer
    
    Sets the bytes at position pos in the Buffer to the bytes represented by the Buffer b on the given offset and len.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setBuffer in interface Buffer
  - setBytes
```
public BufferImpl setBytes(int pos,
                           ByteBuffer b)
```
    Description copied from interface: Buffer
    
    Sets the bytes at position pos in the Buffer to the bytes represented by the ByteBuffer b.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setBytes in interface Buffer
  - setBytes
```
public Buffer setBytes(int pos,
                       byte[] b)
```
    Description copied from interface: Buffer
    
    Sets the bytes at position pos in the Buffer to the bytes represented by the byte[] b.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setBytes in interface Buffer
  - setBytes
```
public Buffer setBytes(int pos,
                       byte[] b,
                       int offset,
                       int len)
```
    Description copied from interface: Buffer
    
    Sets the given number of bytes at position pos in the Buffer to the bytes represented by the byte[] b.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setBytes in interface Buffer
  - setString
```
public Buffer setString(int pos,
                        String str)
```
    Description copied from interface: Buffer
    
    Sets the bytes at position pos in the Buffer to the value of str encoded in UTF-8.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setString in interface Buffer
  - setString
```
public Buffer setString(int pos,
                        String str,
                        String enc)
```
    Description copied from interface: Buffer
    
    Sets the bytes at position pos in the Buffer to the value of str encoded in encoding enc.
    The buffer will expand as necessary to accommodate any value written.
    
    Specified by:
    
    setString in interface Buffer
  - length
```
public int length()
```
    Description copied from interface: Buffer
    
    Returns the length of the buffer, measured in bytes. All positions are indexed from zero.
    
    Specified by:
    
    length in interface Buffer
  - copy
```
public Buffer copy()
```
    Description copied from interface: Buffer
    
    Returns a copy of the entire Buffer.
    
    Specified by:
    
    copy in interface Buffer
  - slice
```
public Buffer slice()
```
    Description copied from interface: Buffer
    
    Returns a slice of this buffer. Modifying the content of the returned buffer or this buffer affects each other's content while they maintain separate indexes and marks.
    
    Specified by:
    
    slice in interface Buffer
  - slice
```
public Buffer slice(int start,
                    int end)
```
    Description copied from interface: Buffer
    
    Returns a slice of this buffer. Modifying the content of the returned buffer or this buffer affects each other's content while they maintain separate indexes and marks.
    
    Specified by:
    
    slice in interface Buffer
  - getByteBuf
```
public io.netty.buffer.ByteBuf getByteBuf()
```
    Description copied from interface: Buffer
    
    Returns the Buffer as a Netty ByteBuf.
    This method is meant for internal use only.
    
    Specified by:
    
    getByteBuf in interface Buffer
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class Object
  - hashCode
```
public int hashCode()
```
    Overrides:
    
    hashCode in class Object
  - writeToBuffer
```
public void writeToBuffer(Buffer buff)
```
    Specified by:
    
    writeToBuffer in interface ClusterSerializable
  - readFromBuffer
```
public int readFromBuffer(int pos,
                          Buffer buffer)
```
    Specified by:
    
    readFromBuffer in interface ClusterSerializable

Class BufferImpl

Field Summary

Fields inherited from interface io.vertx.core.buffer.Buffer

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface io.vertx.core.buffer.Buffer

Method Detail

toString

toString

getByte

getInt

getLong

getDouble

getFloat

getShort

getBytes

getBytes

getBuffer

getString

getString

appendBuffer

appendBuffer

appendBytes

appendBytes

appendByte

appendInt

appendLong

appendShort

appendFloat

appendDouble

appendString

appendString

setByte

setInt

setLong

setDouble

setFloat

setShort

setBuffer

setBuffer

setBytes

setBytes

setBytes

setString

setString

length

copy

slice

slice

getByteBuf

equals

hashCode

writeToBuffer

readFromBuffer