org.mapdb

Class DataInput2

java.lang.Object

java.io.InputStream

org.mapdb.DataInput2

All Implemented Interfaces:

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

public final class DataInput2
extends java.io.InputStream
implements java.io.DataInput

Wraps ByteBuffer and provides DataInput

Author:

Jan Kotek

Field Summary

Fields

Modifier and Type	Field and Description
java.nio.ByteBuffer	buf
int	pos

Constructor Summary

Constructors

Constructor and Description
DataInput2(byte[] b)
DataInput2(java.nio.ByteBuffer buf, int pos)

Method Summary

Modifier and Type	Method and Description
int	read()
boolean	readBoolean()
byte	readByte()
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()
int	skipBytes(int n)
static int	unpackInt(java.io.DataInput is) Unpack positive int value from the input stream.
static long	unpackLong(java.io.DataInput in) Unpack positive long value from the input stream.

Methods inherited from class java.io.InputStream

available, close, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

buf

public java.nio.ByteBuffer buf

pos

public int pos

Constructor Detail

DataInput2

public DataInput2(java.nio.ByteBuffer buf,
                  int pos)

DataInput2

public DataInput2(byte[] b)

Method Detail

readFully

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

Specified by:

readFully in interface java.io.DataInput

Throws:

java.io.IOException

readFully

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

Specified by:

readFully in interface java.io.DataInput

Throws:

java.io.IOException

skipBytes

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

Specified by:

skipBytes in interface java.io.DataInput

Throws:

java.io.IOException

readBoolean

public boolean readBoolean()
                    throws java.io.IOException

Specified by:

readBoolean in interface java.io.DataInput

Throws:

java.io.IOException

readByte

public byte readByte()
              throws java.io.IOException

Specified by:

readByte in interface java.io.DataInput

Throws:

java.io.IOException

readUnsignedByte

public int readUnsignedByte()
                     throws java.io.IOException

Specified by:

readUnsignedByte in interface java.io.DataInput

Throws:

java.io.IOException

readShort

public short readShort()
                throws java.io.IOException

Specified by:

readShort in interface java.io.DataInput

Throws:

java.io.IOException

readUnsignedShort

public int readUnsignedShort()
                      throws java.io.IOException

Specified by:

readUnsignedShort in interface java.io.DataInput

Throws:

java.io.IOException

readChar

public char readChar()
              throws java.io.IOException

Specified by:

readChar in interface java.io.DataInput

Throws:

java.io.IOException

readInt

public int readInt()
            throws java.io.IOException

Specified by:

readInt in interface java.io.DataInput

Throws:

java.io.IOException

readLong

public long readLong()
              throws java.io.IOException

Specified by:

readLong in interface java.io.DataInput

Throws:

java.io.IOException

readFloat

public float readFloat()
                throws java.io.IOException

Specified by:

readFloat in interface java.io.DataInput

Throws:

java.io.IOException

readDouble

public double readDouble()
                  throws java.io.IOException

Specified by:

readDouble in interface java.io.DataInput

Throws:

java.io.IOException

readLine

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

Specified by:

readLine in interface java.io.DataInput

Throws:

java.io.IOException

readUTF

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

Specified by:

readUTF in interface java.io.DataInput

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Specified by:

read in class java.io.InputStream

Throws:

java.io.IOException

unpackInt

public static int unpackInt(java.io.DataInput is)
                     throws java.io.IOException

Unpack positive int value from the input stream. This method originally comes from Kryo Framework, author Nathan Sweet. It was modified to fit MapDB needs.

Parameters:

is - The input stream.

Returns:

The long value.

Throws:

java.io.IOException

unpackLong

public static long unpackLong(java.io.DataInput in)
                       throws java.io.IOException

Unpack positive long value from the input stream. This method originally comes from Kryo Framework, author Nathan Sweet. It was modified to fit MapDB needs.

Parameters:

in - The input stream.

Returns:

The long value.

Throws:

java.io.IOException