io.netty.buffer

类 ByteBufInputStream

java.lang.Object

java.io.InputStream

io.netty.buffer.ByteBufInputStream

所有已实现的接口:

java.io.Closeable, java.io.DataInput, java.lang.AutoCloseable

public class ByteBufInputStream
extends java.io.InputStream
implements java.io.DataInput

An InputStream which reads data from a ByteBuf.

A read operation against this stream will occur at the readerIndex of its underlying buffer and the readerIndex will increase during the read operation. Please note that it only reads up to the number of readable bytes determined at the moment of construction. Therefore, updating ByteBuf.writerIndex() will not affect the return value of available().

This stream implements DataInput for your convenience. The endianness of the stream is not always big endian but depends on the endianness of the underlying buffer.

另请参阅:

ByteBufOutputStream

构造器概要

构造器

构造器和说明
ByteBufInputStream(ByteBuf buffer) Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at the current writerIndex.
ByteBufInputStream(ByteBuf buffer, boolean releaseOnClose) Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at the current writerIndex.
ByteBufInputStream(ByteBuf buffer, int length) Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at readerIndex + length.
ByteBufInputStream(ByteBuf buffer, int length, boolean releaseOnClose) Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at readerIndex + length.

方法概要

方法

限定符和类型	方法和说明
int	available()
void	close()
void	mark(int readlimit)
boolean	markSupported()
int	read()
int	read(byte[] b, int off, int len)
boolean	readBoolean()
byte	readByte()
int	readBytes() Returns the number of read bytes by this stream so far.
char	readChar()
double	readDouble()
float	readFloat()
void	readFully(byte[] b)
void	readFully(byte[] b, int off, int len)
int	readInt()
java.lang.String	readLine()
long	readLong()
short	readShort()
int	readUnsignedByte()
int	readUnsignedShort()
java.lang.String	readUTF()
void	reset()
long	skip(long n)
int	skipBytes(int n)

从类继承的方法 java.io.InputStream

read

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ByteBufInputStream

public ByteBufInputStream(ByteBuf buffer)

Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at the current writerIndex.

参数:

buffer - The buffer which provides the content for this InputStream.

ByteBufInputStream

public ByteBufInputStream(ByteBuf buffer,
                  int length)

Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at readerIndex + length.

参数:

buffer - The buffer which provides the content for this InputStream.

length - The length of the buffer to use for this InputStream.

抛出:

java.lang.IndexOutOfBoundsException - if readerIndex + length is greater than writerIndex

ByteBufInputStream

public ByteBufInputStream(ByteBuf buffer,
                  boolean releaseOnClose)

Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at the current writerIndex.

参数:

buffer - The buffer which provides the content for this InputStream.

releaseOnClose - true means that when close() is called then ReferenceCounted.release() will be called on buffer.

ByteBufInputStream

public ByteBufInputStream(ByteBuf buffer,
                  int length,
                  boolean releaseOnClose)

Creates a new stream which reads data from the specified buffer starting at the current readerIndex and ending at readerIndex + length.

参数:

buffer - The buffer which provides the content for this InputStream.

length - The length of the buffer to use for this InputStream.

releaseOnClose - true means that when close() is called then ReferenceCounted.release() will be called on buffer.

抛出:

java.lang.IndexOutOfBoundsException - if readerIndex + length is greater than writerIndex

方法详细资料

readBytes

public int readBytes()

Returns the number of read bytes by this stream so far.

close

public void close()
           throws java.io.IOException

指定者:

close 在接口中 java.io.Closeable

指定者:

close 在接口中 java.lang.AutoCloseable

覆盖:

close 在类中 java.io.InputStream

抛出:

java.io.IOException

available

public int available()
              throws java.io.IOException

覆盖:

available 在类中 java.io.InputStream

抛出:

java.io.IOException

mark

public void mark(int readlimit)

覆盖:

mark 在类中 java.io.InputStream

markSupported

public boolean markSupported()

覆盖:

markSupported 在类中 java.io.InputStream

read

public int read()
         throws java.io.IOException

指定者:

read 在类中 java.io.InputStream

抛出:

java.io.IOException

read

public int read(byte[] b,
       int off,
       int len)
         throws java.io.IOException

覆盖:

read 在类中 java.io.InputStream

抛出:

java.io.IOException

reset

public void reset()
           throws java.io.IOException

覆盖:

reset 在类中 java.io.InputStream

抛出:

java.io.IOException

skip

public long skip(long n)
          throws java.io.IOException

覆盖:

skip 在类中 java.io.InputStream

抛出:

java.io.IOException

readBoolean

public boolean readBoolean()
                    throws java.io.IOException

指定者:

readBoolean 在接口中 java.io.DataInput

抛出:

java.io.IOException

readByte

public byte readByte()
              throws java.io.IOException

指定者:

readByte 在接口中 java.io.DataInput

抛出:

java.io.IOException

readChar

public char readChar()
              throws java.io.IOException

指定者:

readChar 在接口中 java.io.DataInput

抛出:

java.io.IOException

readDouble

public double readDouble()
                  throws java.io.IOException

指定者:

readDouble 在接口中 java.io.DataInput

抛出:

java.io.IOException

readFloat

public float readFloat()
                throws java.io.IOException

指定者:

readFloat 在接口中 java.io.DataInput

抛出:

java.io.IOException

readFully

public void readFully(byte[] b)
               throws java.io.IOException

指定者:

readFully 在接口中 java.io.DataInput

抛出:

java.io.IOException

readFully

public void readFully(byte[] b,
             int off,
             int len)
               throws java.io.IOException

指定者:

readFully 在接口中 java.io.DataInput

抛出:

java.io.IOException

readInt

public int readInt()
            throws java.io.IOException

指定者:

readInt 在接口中 java.io.DataInput

抛出:

java.io.IOException

readLine

public java.lang.String readLine()
                          throws java.io.IOException

指定者:

readLine 在接口中 java.io.DataInput

抛出:

java.io.IOException

readLong

public long readLong()
              throws java.io.IOException

指定者:

readLong 在接口中 java.io.DataInput

抛出:

java.io.IOException

readShort

public short readShort()
                throws java.io.IOException

指定者:

readShort 在接口中 java.io.DataInput

抛出:

java.io.IOException

readUTF

public java.lang.String readUTF()
                         throws java.io.IOException

指定者:

readUTF 在接口中 java.io.DataInput

抛出:

java.io.IOException

readUnsignedByte

public int readUnsignedByte()
                     throws java.io.IOException

指定者:

readUnsignedByte 在接口中 java.io.DataInput

抛出:

java.io.IOException

readUnsignedShort

public int readUnsignedShort()
                      throws java.io.IOException

指定者:

readUnsignedShort 在接口中 java.io.DataInput

抛出:

java.io.IOException

skipBytes

public int skipBytes(int n)
              throws java.io.IOException

指定者:

skipBytes 在接口中 java.io.DataInput

抛出:

java.io.IOException