CoherenceTM v3.4.1
Copyright© 2000-2008 by Oracle Corporation

com.tangosol.io
Class DelegatingWriteBuffer.DelegatingBufferOutput

java.lang.Object
  extended by com.tangosol.io.AbstractWriteBuffer.AbstractBufferOutput
      extended by com.tangosol.io.DelegatingWriteBuffer.DelegatingBufferOutput
All Implemented Interfaces:
OutputStreaming, WriteBuffer.BufferOutput, java.io.DataOutput
Enclosing class:
DelegatingWriteBuffer

public class DelegatingWriteBuffer.DelegatingBufferOutput
extends AbstractWriteBuffer.AbstractBufferOutput

A BufferOutput implementation that delegates to a BufferOutput implementation, except that its offset range is shifted and limited.

Author:
cp 2005.03.24

Field Summary
protected  WriteBuffer.BufferOutput m_out
          The BufferOutput to delegate to.
 
Fields inherited from class com.tangosol.io.AbstractWriteBuffer.AbstractBufferOutput
m_ofWrite
 
Constructor Summary
DelegatingWriteBuffer.DelegatingBufferOutput(int of)
          Construct an AbstractBufferOutput that will begin writing at the start of the containing WriteBuffer.
 
Method Summary
protected  void moveOffset(int cb)
          Move the offset within the stream forward.
 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 writeBuffer(ReadBuffer buf)
          Write all the bytes from the passed ReadBuffer object.
 void writeBuffer(ReadBuffer buf, int of, int cb)
          Write cb bytes from the passed ReadBuffer object starting at offset of within the passed ReadBuffer.
 void writeByte(int b)
          Writes the eight low-order bits of the argument b.
 void writeBytes(java.lang.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(java.lang.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 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 writeStream(InputStreaming stream)
          Write the remaining contents of the specified InputStreaming object.
 void writeStream(InputStreaming stream, int cb)
          Write the specified number of bytes of the specified InputStreaming object.
 void writeUTF(java.lang.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.
 
Methods inherited from class com.tangosol.io.AbstractWriteBuffer.AbstractBufferOutput
calcUTF, close, flush, formatUTF, getBuffer, getCharBuf, getOffset, setOffset, write, writePackedInt, writePackedLong, writeSafeUTF
 

Field Detail

m_out

protected WriteBuffer.BufferOutput m_out
The BufferOutput to delegate to.

Constructor Detail

DelegatingWriteBuffer.DelegatingBufferOutput

public DelegatingWriteBuffer.DelegatingBufferOutput(int of)
Construct an AbstractBufferOutput that will begin writing at the start of the containing WriteBuffer.

Method Detail

write

public void write(int b)
           throws java.io.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 java.io.DataOutput
Overrides:
write in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
b - the byte to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

write

public void write(byte[] ab,
                  int of,
                  int cb)
           throws java.io.IOException
Writes cb bytes starting at offset of from the array ab.

Specified by:
write in interface OutputStreaming
Specified by:
write in interface java.io.DataOutput
Overrides:
write in class AbstractWriteBuffer.AbstractBufferOutput
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:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if ab is null
java.lang.IndexOutOfBoundsException - if of is negative, or cb is negative, or of+cb is greater than ab.length

writeBoolean

public void writeBoolean(boolean f)
                  throws java.io.IOException
Writes the boolean value f.

Specified by:
writeBoolean in interface java.io.DataOutput
Overrides:
writeBoolean in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
f - the boolean to be written
Throws:
java.io.IOException - if an I/O error occurs

writeByte

public void writeByte(int b)
               throws java.io.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 java.io.DataOutput
Overrides:
writeByte in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
b - the byte to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

writeShort

public void writeShort(int n)
                throws java.io.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 java.io.DataOutput
Overrides:
writeShort in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
n - the short to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

writeChar

public void writeChar(int ch)
               throws java.io.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 java.io.DataOutput
Overrides:
writeChar in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
ch - the char to write (passed as an integer)
Throws:
java.io.IOException - if an I/O error occurs

writeInt

public void writeInt(int n)
              throws java.io.IOException
Writes an int value.

Specified by:
writeInt in interface java.io.DataOutput
Overrides:
writeInt in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
n - the int to write
Throws:
java.io.IOException - if an I/O error occurs

writeLong

public void writeLong(long l)
               throws java.io.IOException
Writes a long value.

Specified by:
writeLong in interface java.io.DataOutput
Overrides:
writeLong in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
l - the long to write
Throws:
java.io.IOException - if an I/O error occurs

writeFloat

public void writeFloat(float fl)
                throws java.io.IOException
Writes a float value.

Specified by:
writeFloat in interface java.io.DataOutput
Overrides:
writeFloat in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
fl - the float to write
Throws:
java.io.IOException - if an I/O error occurs

writeDouble

public void writeDouble(double dfl)
                 throws java.io.IOException
Writes a double value.

Specified by:
writeDouble in interface java.io.DataOutput
Overrides:
writeDouble in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
dfl - the double to write
Throws:
java.io.IOException - if an I/O error occurs

writeBytes

public void writeBytes(java.lang.String s)
                throws java.io.IOException
Writes the String s, but only the low-order byte from each character of the String is written.

Specified by:
writeBytes in interface java.io.DataOutput
Overrides:
writeBytes in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
s - the String to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if s is null

writeChars

public void writeChars(java.lang.String s)
                throws java.io.IOException
Writes the String s as a sequence of characters.

Specified by:
writeChars in interface java.io.DataOutput
Overrides:
writeChars in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
s - the String to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if s is null

writeUTF

public void writeUTF(java.lang.String s)
              throws java.io.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 java.io.DataOutput
Overrides:
writeUTF in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
s - the String to write
Throws:
java.io.IOException - if an I/O error occurs
java.lang.NullPointerException - if s is null

writeBuffer

public void writeBuffer(ReadBuffer buf)
                 throws java.io.IOException
Write all the bytes from the passed ReadBuffer object.

This is functionally equivalent to the following code:

 getBuffer().write(getOffset(), buf);
 

Specified by:
writeBuffer in interface WriteBuffer.BufferOutput
Overrides:
writeBuffer in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
buf - a ReadBuffer object
Throws:
java.io.IOException - if an I/O error occurs

writeBuffer

public void writeBuffer(ReadBuffer buf,
                        int of,
                        int cb)
                 throws java.io.IOException
Write cb bytes from the passed ReadBuffer object starting at offset of within the passed ReadBuffer.

This is functionally equivalent to the following code:

 getBuffer().write(getOffset(), buf, of, cb);
 

Specified by:
writeBuffer in interface WriteBuffer.BufferOutput
Overrides:
writeBuffer in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
buf - a ReadBuffer object
of - the offset within the ReadBuffer of the first byte to write to this BufferOutput
cb - the number of bytes to write
Throws:
java.io.IOException - if an I/O error occurs

writeStream

public void writeStream(InputStreaming stream)
                 throws java.io.IOException
Write the remaining contents of the specified InputStreaming object.

This is functionally equivalent to the following code:

 getBuffer().write(getOffset(), stream);
 

Specified by:
writeStream in interface WriteBuffer.BufferOutput
Overrides:
writeStream in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
stream - the stream of bytes to write to this BufferOutput
Throws:
java.io.IOException - if an I/O error occurs, specifically if an IOException occurs reading from the passed stream

writeStream

public void writeStream(InputStreaming stream,
                        int cb)
                 throws java.io.IOException
Write the specified number of bytes of the specified InputStreaming object.

This is functionally equivalent to the following code:

 getBuffer().write(getOffset(), stream, cb);
 

Specified by:
writeStream in interface WriteBuffer.BufferOutput
Overrides:
writeStream in class AbstractWriteBuffer.AbstractBufferOutput
Parameters:
stream - the stream of bytes to write to this BufferOutput
cb - the exact number of bytes to read from the stream and write to this BufferOutput
Throws:
java.io.EOFException - if the stream is exhausted before the number of bytes indicated could be read
java.io.IOException - if an I/O error occurs, specifically if an IOException occurs reading from the passed stream

moveOffset

protected void moveOffset(int cb)
Move the offset within the stream forward.

Parameters:
cb - the number of bytes to advance the offset

CoherenceTM v3.4.1
Copyright© 2000-2008 by Oracle Corporation