org.mapdb
Class DataInput2

java.lang.Object
  java.io.InputStream
      org.mapdb.DataInput2

All Implemented Interfaces:

Closeable, DataInput

public final class DataInput2
extends InputStream
implements DataInput

Wraps ByteBuffer and provides DataInput

Author:

Jan Kotek

Field Summary

ByteBuffer	buf
int	pos

Constructor Summary

DataInput2(byte[] b)

DataInput2(ByteBuffer buf, int pos)

Method Summary

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()
String	readLine()
long	readLong()
short	readShort()
int	readUnsignedByte()
int	readUnsignedShort()
String	readUTF()
int	skipBytes(int n)
static int	unpackInt(DataInput is) Unpack positive int value from the input stream.
static long	unpackLong(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 ByteBuffer buf

pos

public int pos

Constructor Detail

DataInput2

public DataInput2(ByteBuffer buf,
                  int pos)

DataInput2

public DataInput2(byte[] b)

Method Detail

readFully

public void readFully(byte[] b)
               throws IOException

Specified by:

readFully in interface DataInput

Throws:

IOException

readFully

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

Specified by:

readFully in interface DataInput

Throws:

IOException

skipBytes

public int skipBytes(int n)
              throws IOException

Specified by:

skipBytes in interface DataInput

Throws:

IOException

readBoolean

public boolean readBoolean()
                    throws IOException

Specified by:

readBoolean in interface DataInput

Throws:

IOException

readByte

public byte readByte()
              throws IOException

Specified by:

readByte in interface DataInput

Throws:

IOException

readUnsignedByte

public int readUnsignedByte()
                     throws IOException

Specified by:

readUnsignedByte in interface DataInput

Throws:

IOException

readShort

public short readShort()
                throws IOException

Specified by:

readShort in interface DataInput

Throws:

IOException

readUnsignedShort

public int readUnsignedShort()
                      throws IOException

Specified by:

readUnsignedShort in interface DataInput

Throws:

IOException

readChar

public char readChar()
              throws IOException

Specified by:

readChar in interface DataInput

Throws:

IOException

readInt

public int readInt()
            throws IOException

Specified by:

readInt in interface DataInput

Throws:

IOException

readLong

public long readLong()
              throws IOException

Specified by:

readLong in interface DataInput

Throws:

IOException

readFloat

public float readFloat()
                throws IOException

Specified by:

readFloat in interface DataInput

Throws:

IOException

readDouble

public double readDouble()
                  throws IOException

Specified by:

readDouble in interface DataInput

Throws:

IOException

readLine

public String readLine()
                throws IOException

Specified by:

readLine in interface DataInput

Throws:

IOException

readUTF

public String readUTF()
               throws IOException

Specified by:

readUTF in interface DataInput

Throws:

IOException

read

public int read()
         throws IOException

Specified by:

read in class InputStream

Throws:

IOException

unpackInt

public static int unpackInt(DataInput is)
                     throws 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:

IOException

unpackLong

public static long unpackLong(DataInput in)
                       throws 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:

IOException