com.tangosol.io.pof
Class PofOutputStream

java.lang.Object
  java.io.OutputStream
      com.tangosol.io.pof.PofOutputStream

All Implemented Interfaces:

OutputStreaming, Closeable, DataOutput, Flushable, ObjectOutput

public class PofOutputStream
extends OutputStream
implements OutputStreaming, DataOutput, ObjectOutput

An ObjectOutput implementation suitable for writing Externalizable and ExternalizableLite objects to a POF stream, although without support for schema evolution and other advanced POF features.

Author:

cp 2006.07.29

Constructor Summary

PofOutputStream(PofWriter out)
Construct a PofOutputStream that will write its information to an underlying PofWriter.

Method Summary

void	close() Closes this OutputStream and releases any associated system resources.
void	flush() Flushes this OutputStream and forces any buffered output bytes to be written.
PofWriter	getPofWriter() Obtain the underlying PofWriter.
int	nextIndex() Determine the next property index to write to.
void	write(byte[] ab) Writes all the bytes in the array ab.
void	write(byte[] ab, int of, int cb) Writes cb bytes starting at offset of from the array ab.
void	write(int b) Writes the eight low-order bits of the argument b.
void	writeBoolean(boolean f) Writes the boolean value f.
void	writeByte(int b) Writes the eight low-order bits of the argument b.
void	writeBytes(String s) Writes the String s, but only the low-order byte from each character of the String is written.
void	writeChar(int ch) Writes a char value, comprised of the 16 low-order bits of the argument ch; the 16 high-order bits of ch are ignored.
void	writeChars(String s) Writes the String s as a sequence of characters.
void	writeDouble(double dfl) Writes a double value.
void	writeFloat(float fl) Writes a float value.
void	writeInt(int n) Writes an int value.
void	writeLong(long l) Writes a long value.
void	writeObject(Object o) Writes the Object o so that the corresponding ObjectInput.readObject() method can reconstitute an Object from the written data.
void	writeShort(int n) Writes a short value, comprised of the 16 low-order bits of the argument n; the 16 high-order bits of n are ignored.
void	writeUTF(String s) Writes the String s as a sequence of characters, but using UTF-8 encoding for the characters, and including the String length data so that the corresponding DataInput.readUTF() method can reconstitute a String from the written data.

Constructor Detail

PofOutputStream

public PofOutputStream(PofWriter out)

Construct a PofOutputStream that will write its information to an underlying PofWriter.

Parameters:

out - the PofWriter to write to

Method Detail

write

public void write(int b)
           throws IOException

Writes the eight low-order bits of the argument b. The 24 high-order bits of b are ignored.

Specified by:

write in interface OutputStreaming

Specified by:

write in interface DataOutput

Specified by:

write in interface ObjectOutput

Specified by:

write in class OutputStream

Parameters:

b - the byte to write (passed as an integer)

Throws:

IOException - if an I/O error occurs

write

public void write(byte[] ab)
           throws IOException

Writes all the bytes in the array ab.

Specified by:

write in interface OutputStreaming

Specified by:

write in interface DataOutput

Specified by:

write in interface ObjectOutput

Overrides:

write in class OutputStream

Parameters:

ab - the byte array to write

Throws:

IOException - if an I/O error occurs

NullPointerException - if ab is null

write

public void write(byte[] ab,
                  int of,
                  int cb)
           throws IOException

Writes cb bytes starting at offset of from the array ab.

Specified by:

write in interface OutputStreaming

Specified by:

write in interface DataOutput

Specified by:

write in interface ObjectOutput

Overrides:

write in class OutputStream

Parameters:

ab - the byte array to write from

of - the offset into ab to start writing from

cb - the number of bytes from ab to write

Throws:

IOException - if an I/O error occurs

NullPointerException - if ab is null

IndexOutOfBoundsException - if of is negative, or cb is negative, or of+cb is greater than ab.length

flush

public void flush()
           throws IOException

Flushes this OutputStream and forces any buffered output bytes to be written.

Specified by:

flush in interface OutputStreaming

Specified by:

flush in interface Flushable

Specified by:

flush in interface ObjectOutput

Overrides:

flush in class OutputStream

Throws:

IOException - if an I/O error occurs

close

public void close()
           throws IOException

Closes this OutputStream and releases any associated system resources.

Specified by:

close in interface OutputStreaming

Specified by:

close in interface Closeable

Specified by:

close in interface ObjectOutput

Overrides:

close in class OutputStream

Throws:

IOException - if an I/O error occurs

writeBoolean

public void writeBoolean(boolean f)
                  throws IOException

Writes the boolean value f.

Specified by:

writeBoolean in interface DataOutput

Parameters:

f - the boolean to be written

Throws:

IOException - if an I/O error occurs

writeByte

public void writeByte(int b)
               throws IOException

Writes the eight low-order bits of the argument b. The 24 high-order bits of b are ignored.

Specified by:

writeByte in interface DataOutput

Parameters:

b - the byte to write (passed as an integer)

Throws:

IOException - if an I/O error occurs

writeShort

public void writeShort(int n)
                throws IOException

Writes a short value, comprised of the 16 low-order bits of the argument n; the 16 high-order bits of n are ignored.

Specified by:

writeShort in interface DataOutput

Parameters:

n - the short to write (passed as an integer)

Throws:

IOException - if an I/O error occurs

writeChar

public void writeChar(int ch)
               throws IOException

Writes a char value, comprised of the 16 low-order bits of the argument ch; the 16 high-order bits of ch are ignored.

Specified by:

writeChar in interface DataOutput

Parameters:

ch - the char to write (passed as an integer)

Throws:

IOException - if an I/O error occurs

writeInt

public void writeInt(int n)
              throws IOException

Writes an int value.

Specified by:

writeInt in interface DataOutput

Parameters:

n - the int to write

Throws:

IOException - if an I/O error occurs

writeLong

public void writeLong(long l)
               throws IOException

Writes a long value.

Specified by:

writeLong in interface DataOutput

Parameters:

l - the long to write

Throws:

IOException - if an I/O error occurs

writeFloat

public void writeFloat(float fl)
                throws IOException

Writes a float value.

Specified by:

writeFloat in interface DataOutput

Parameters:

fl - the float to write

Throws:

IOException - if an I/O error occurs

writeDouble

public void writeDouble(double dfl)
                 throws IOException

Writes a double value.

Specified by:

writeDouble in interface DataOutput

Parameters:

dfl - the double to write

Throws:

IOException - if an I/O error occurs

writeBytes

public void writeBytes(String s)
                throws IOException

Writes the String s, but only the low-order byte from each character of the String is written.

Specified by:

writeBytes in interface DataOutput

Parameters:

s - the String to write

Throws:

IOException - if an I/O error occurs

NullPointerException - if s is null

writeChars

public void writeChars(String s)
                throws IOException

Writes the String s as a sequence of characters.

Specified by:

writeChars in interface DataOutput

Parameters:

s - the String to write

Throws:

IOException - if an I/O error occurs

NullPointerException - if s is null

writeUTF

public void writeUTF(String s)
              throws IOException

Writes the String s as a sequence of characters, but using UTF-8 encoding for the characters, and including the String length data so that the corresponding DataInput.readUTF() method can reconstitute a String from the written data.

Specified by:

writeUTF in interface DataOutput

Parameters:

s - the String to write

Throws:

IOException - if an I/O error occurs

NullPointerException - if s is null

writeObject

public void writeObject(Object o)
                 throws IOException

Writes the Object o so that the corresponding ObjectInput.readObject() method can reconstitute an Object from the written data.

Specified by:

writeObject in interface ObjectOutput

Parameters:

o - the Object to write

Throws:

IOException - if an I/O error occurs

getPofWriter

public PofWriter getPofWriter()

Obtain the underlying PofWriter.

Returns:

the PofWriter

nextIndex

public int nextIndex()

Determine the next property index to write to.

Returns:

the next property index to write to