org.egothor.io

Class DataInputOutputStream

java.lang.Object

org.egothor.io.DataInputStream

org.egothor.io.DataInputOutputStream

All Implemented Interfaces:

DataInput, DataOutput

public abstract class DataInputOutputStream
extends DataInputStream
implements DataOutput

Constructor Summary

Constructors

Constructor and Description
DataInputOutputStream()

Method Summary

Modifier and Type	Method and Description
void	copyFrom(DataInput in, int length) Copies bytes of a given length from input stream.
abstract int	directRead(long from, byte[] arr) Read from the offset position without buffering.
abstract void	directWrite(long at, byte[] buf)
void	printUTFS(String str, int firstIndex, int lastIndex) Prints a string portion.
abstract byte	readByte() Description of the Method
abstract int	readFully(byte[] arr) Description of the Method
abstract void	write(byte[] buf, int offset, int len)
void	writeBoolean(boolean value)
abstract void	writeByte(int val) Write the given byte, which will be converted to Pack7 format.
void	writeFully(byte[] buf) Description of the Method
void	writeInt(int val) Description of the Method
void	writeLong(long val) Description of the Method
void	writePack7(long val) Write the given long, which will be converted to Pack7 format.
void	writePack7I(int val) Write the given integer, which will be converted to Pack7 format.
void	writeShort(int val) Description of the Method
void	writeString(int from, String str) Write a string as length (pack7) followed by UTF code of the string.
abstract long	written()

Methods inherited from class org.egothor.io.DataInputStream

close, getFilePointer, getMarkPointer, jump, length, mark, read, readBoolean, readInt, readLong, readPack7, readPack7I, readShort, readString, readString, seek, skipBytes, skipPack7, skipPack7I

Methods inherited from class java.lang.Object

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

Constructor Detail

DataInputOutputStream

public DataInputOutputStream()

Method Detail

writeFully

public final void writeFully(byte[] buf)
                      throws IOException

Description copied from interface: DataOutput

Description of the Method

Specified by:

writeFully in interface DataOutput

Parameters:

buf - Description of the Parameter

Throws:

IOException - Description of the Exception

written

public abstract long written()

Specified by:

written in interface DataOutput

writeByte

public abstract void writeByte(int val)
                        throws IOException

Description copied from interface: DataOutput

Write the given byte, which will be converted to Pack7 format.

Specified by:

writeByte in interface DataOutput

Parameters:

val - the long to convert and write

Throws:

IOException - if an I/O error occurs

writeLong

public void writeLong(long val)
               throws IOException

Description copied from interface: DataOutput

Description of the Method

Specified by:

writeLong in interface DataOutput

Parameters:

val - Description of the Parameter

Throws:

IOException - Description of the Exception

writeInt

public void writeInt(int val)
              throws IOException

Description of the Method

Specified by:

writeInt in interface DataOutput

Parameters:

val - Description of the Parameter

Throws:

IOException - Description of the Exception

writeShort

public void writeShort(int val)
                throws IOException

Description of the Method

Specified by:

writeShort in interface DataOutput

Parameters:

val - Description of the Parameter

Throws:

IOException - Description of the Exception

write

public abstract void write(byte[] buf,
                           int offset,
                           int len)
                    throws IOException

Specified by:

write in interface DataOutput

Throws:

IOException

writePack7

public final void writePack7(long val)
                      throws IOException

Description copied from interface: DataOutput

Write the given long, which will be converted to Pack7 format.

Specified by:

writePack7 in interface DataOutput

Parameters:

val - the long to convert and write

Throws:

IOException - if an I/O error occurs

writePack7I

public final void writePack7I(int val)
                       throws IOException

Description copied from interface: DataOutput

Write the given integer, which will be converted to Pack7 format.

Specified by:

writePack7I in interface DataOutput

Parameters:

val - the integer to convert and write

Throws:

IOException - if an I/O error occurs

writeString

public void writeString(int from,
                        String str)
                 throws IOException

Write a string as length (pack7) followed by UTF code of the string.

Specified by:

writeString in interface DataOutput

Parameters:

from - Description of the Parameter

str - Description of the Parameter

Throws:

IOException - Description of the Exception

writeBoolean

public void writeBoolean(boolean value)
                  throws IOException

Specified by:

writeBoolean in interface DataOutput

Throws:

IOException

readByte

public abstract byte readByte()
                       throws IOException

Description copied from class: DataInputStream

Description of the Method

Specified by:

readByte in interface DataInput

Specified by:

readByte in class DataInputStream

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

readFully

public abstract int readFully(byte[] arr)
                       throws IOException

Description copied from class: DataInputStream

Description of the Method

Specified by:

readFully in interface DataInput

Specified by:

readFully in class DataInputStream

Parameters:

arr - Description of the Parameter

Returns:

Description of the Return Value

Throws:

IOException - Description of the Exception

printUTFS

public void printUTFS(String str,
                      int firstIndex,
                      int lastIndex)
               throws IOException

Description copied from interface: DataOutput

Prints a string portion.

Specified by:

printUTFS in interface DataOutput

Parameters:

str - Description of the Parameter

firstIndex - Description of the Parameter

lastIndex - Description of the Parameter

Throws:

IOException - Description of the Exception

directRead

public abstract int directRead(long from,
                               byte[] arr)
                        throws IOException

Description copied from interface: DataInput

Read from the offset position without buffering. This operation moves the read head which may collide with buffered methods.

Specified by:

directRead in interface DataInput

Specified by:

directRead in class DataInputStream

Throws:

IOException

directWrite

public abstract void directWrite(long at,
                                 byte[] buf)
                          throws IOException

Throws:

IOException

copyFrom

public void copyFrom(DataInput in,
                     int length)
              throws IOException

Description copied from interface: DataOutput

Copies bytes of a given length from input stream. If the length is lower than zero, then the full input stream (til EOF) is copied.

Specified by:

copyFrom in interface DataOutput

Throws:

IOException